George M Mye 7kadiomchnque WHAT FOLLOWS detailed specification list assumptions definitions computer program invited write yourself have ever tried develop computer program already know help ful well thought out specification Take way want enough people work problem may get solution Whats problem problem want fly much confidence possible during period people changing over wideband narrow-band equipment WIMPVI1 basic idea conservatively maximize number randomly selected noninterfering RC channels use resorting flight stations lists WIMP computer program manage continuous flow transmitters through im fo c pound large contests fly-ins accommo dates kind radio wideband narrow band AM FM PCM Gold Silver No Sticker WIMP usable now good 1991 beyond WIMP completely tests choice reports result less 15 seconds WIMPV1 1 favors wideband equipment considers MRS/PRS transmitters its computa tions MRS facturers Radio Service PRS Personal Radio Service trans mitters operating frequencies betweenand 10 kHz away fromour RC transmitters WIMPVI1 does consider interference sources outside 72 MHz band nor does manage transmitters 27 MHz Ham bands Simple WIMP modifications can change its features Specifications 1 Wideband means usable 40 kHz raster 1983-90 situation 2 Narrow band means conforming AMA Guidelines 1991 3 RC PRS transmitter pre sumed wideband 4 receiver pre sumed wideband 5 Inband interference generators presumed known 6 Only RC transmitters issued through WIMP operating 7 Adjacent channels blocked 10 20 30 kHz 8 21M blocked 450 460 kHz 9 Image blocked 910 kHz 10 31M blocked above below middle pair 11 Blocks ac tive channels allowed 12 printer op tion keeps record keyboard entries 13 Priority Mode can invoked cancelled time Priority Mode keeps most-used RC channel numbers operating interruption until cancel priority 14 Transmit ters priority list will issued first 15 WIMP Priority Mode blocks use RC channels can interfere prioritized channels 16 Using Priority Mode impound person can automatically issue next transmitter channel time Priority Channel trans mitter returned No keyboard entries re quired WIMP WIMP bars forms potential interfer ence considered previous program FSGAME based predefined spaced flight stations WIMP got started Owen S Pacific Plan Black showed simpler way write FSGAME developed both us via let ters phone calls across country well comments provided friends compu ters played added wish lists found bugs earlier versions Note friends still using version dated earlier 3/7/89 scrap WIMP will let randomly select up 15 RC channels odd mixed numbers FCC-authorized 50 RC channels 72 MHz use simultaneously con cern flight stations spacings Use before 1991 picking menu AMA list 22 channels course should stay within 100 ft another can see whats happening should keep 25 ft back run way per AMAs Recommended RC Flying Site Specifications page 2 Membership Manual save wear tear shins Bill Greens Cessna 208 Caravan L winner 1987 Alaska Scale Masters meet Elmendor AFB AK Frank Weaver Buecker Bestmann R seen Elmendorf AFB proof really areomodeling Alaska Photos David Lawrence 38 Model Aviation 70 Froebllch Fann Rd Hkksville NY 11801 ABSTRACT WIMP Vi 1a 50-channel Impound Manager Program Functional description WIMP small digital computer program designed minimize interference possibilities RC operations 72 MHz Aircraft Only band intended use lap-top computer help manage flow transmitters Out impound 50 RC channels 50 PRS channels 72 MHz band considered calculations RC channels dis played menu Interference sources outside band RC transmitters 27 MHz Ham bands managed version An option use printer log keyboard transactions included Operation WIMP written MBASIC can used computer BASIC plus about 15 kilobytes RAM available pro gram its computations Said computer may hand-held lap-top and/or desktop model Let us know about smallest computer can wedge Install BASIC type LOAD WIMP [CR] WIMP should come up running single color nonblinking ASCII mode should self-explanatory built-in prompts editing error messages should provide educa tion protection need event computer allows/requires peculiar starting commands non-ASCII com mands Beep Blink Clear Screen Color etc responsible adding partic ular commands converting ASCII report screen designed 25 lines 80 characters display may have change suit computer printer avail able WIMP can print running list key board transactions Again may have pro vide control codes peculiar printer Subroutine 1PRINTER WIMP will ask DO YOU WANT TO ACTIVATE THE PRINTER OPTION Y/N type Y[CR] WIMP will ready print must have printer connected turned paper loaded initialized point dont WIMP will just sit look until you type N[CR] WIMP will proceed whether have printer WIMP saves up 10 keyboard inputs before printing line dont worried dont see print right away Subroutine 2INTERFERENCES first screen prompted enter known INTER FERENCE TRANSMITTERS RC channels KNOWN TO BE SUFFERING INTERFER ENCE WHEN USED ALONE must en tered decimal number 72xx representing operating frequency MHz WIMP will re spond channel number input MRS/PRS frequency MRS/PRS frequencies end numbers like 7208 response will xx5 ex ample Input 7108 get 145 indicates channel between RCl4 RCl5 Thats last will see except WE HAVE D MRS/PRS INTERFERENCES message line because RC channels shown menu computer keeps xx5 channels its memory uses its calculations Terminate Interference Subroutine enter ing zero letter 0 press car riage return key herein indicated 0[RETURN] 01CR] Some machines will satisfied just [CR] Channel blocks zeros menu will computed message line bottom screen shows blocks found fa shion AAAAAA22IMLH Continued page 40 Bomber Field has scheduled first gathering majestic old War-Birds practice formation flying air-borne photography bombing missions over Monaville Texas conjunction Annual Big Bird Meet have decided make annual event its kind world have seven B-17s confirmed want 15 Come help make nostalgic event conducted RC World Mr Wesley Hartberg Westcraft owner designer & producer B-17 kit will attend bringing least B-17s California Trophys will awarded Spectacular air-borne VHS nose camera footage taken aB-17 @ Bomber Field available Witness bombardiers viewpoint B-17 lifting off asphalt runway misting rain hear sounds 2-engines failing resulting stunning inverted crash landing demolishing B-17 Bomber Fields runway 50x 600 asphalt paved taxiways auxiliary runway is75x400 Bermuda grass hangar 50 150 covered upper observation deck spectators entire flying area flat farmland no obstructions specific information tape availability call write B B Weber President Bomber Field Inc PO Box 721950Office 713 498-7935 Houston Texas 77272Fax 713 495-1203 BOMBER FIELDA MONAVILLE TEXAS10000 July 1989 39 K 4 UNLEASH YOUR Starting engine keeping fingers out prop adjusting high speed needle removing glow plug clip setting throttle trim radio perhaps adjusting idle needle getting starter its power cords out way can quite hazardous job Dave Brown Products Starter Pack designed eliminate annoying starter cords give much safer environ ment starting engines compact unit starter mounts top Ten rechargeable 12V Sub-C cells concealed case provides power Starter Pack Charger perfect match charging starter pack overnight simply plugs AC outlet clips onto power leads pack Tooting Own Horns Lifik about 0tatiflg art BallhOUt befldfl9 kiflldn9 Thats because lot tOOble Wit mount realistIC Hornsapplicatid Phreeholf eSt Controlonall makes anY ye stur y varieW ball linkds h Theyre a~jgter cleaner ushro rance scale ppea iOu mUCu add UP e5igned 9d y 5 less control syste nk Control Horn Robad Ball Llthan others off expensive . t 5owig cent channel 0 30 kHz active channels can easily change hatever pleases 2 nd Order Intermodulation 460 kHz Definitely leave alone e kHz M nel between active pair completes 31M triplet WIMP does block RC channel between two PRS transmit ters because would causing interference WITH very unlikely considering power differences would seeing interfer ence FROM L nel below pair being consid ered completes 31M triplet H nel above pair being consid ered completes 31M triplet dont need messages put diagnostic tool left give confidence computer really com puting Since 100 channels can no 100 characters normal message line delete message PRINTs program will little faster Error messages may also seen line such LOCKED OUT BLOCKEDTRY LATER *** ERROR *** 5 INTERFERES WITH ACTIVE CHANNEL *** After enter 0[CR] WIMP will lock interferences present new menu some channels blocked zeroed prompt ENTER PRIORITY CHANNEL Take moment examine menu blocked channels should go contest announcement Subroutine 3PRIORITY CHANNELS WIMP shifts collecting priority channels sumed some RC channels will used large number transmitters others will contest being flown rounds tal time round can t less time required fly off transmitters channel largest number transmit ters Therefore program allows prior itize such heavily used channels Priority Mode effect no channel can issued will cause interference Priority channels leave Priority Subroutine typing 01CR] before Subroutine 4ISSUE/RECEIVE TRANSMIT TERS After interferences priorities have captured program shifts its ISSUE/RECEIVE TRANSMITTERS subrou tine subroutine continues force until computer turned off until program has interrupted restarted Issue/Return mode WIMP presents menu channels may assigned Chan nels may NOT assigned represented zero menu enter number RC channel number lists added RC CHANNELS ASSIGNED list number transmitters assigned incremented Other channels menu can interfered new issue zeroed number enter already list RC channels assigned WIMP asks 15 THIS RETURN type YICR] Yes WIMP inspects list Priority Channels channel found message flashes up PRIORITY RELEASE NEXT XMTR ON CHNL 40 whatever channel number entered sumption programming impound person will immediately signments counts screen will change Therefore no input WIMP needed 40 Model Aviation r $ARERI Thick standoff allow just about snake stafler used DAVE BROWN PRODUCTS 4560 Layhigh Rd Hamilton Ohio 45013 e 513 738-1576 513 738-0152 Starter Pack available easy assemble kit form less batteries pre-assembled form rechargeable batteries Starter charger included either pack isnt upset give channel Priority Channel WIMP sends message SWITCH IT OFF de ducts number list assigned chan nels decrements count active transmit ters Zeros replaced channel numbers menu representing channels no longer inhibited channel formerly use type anything Y answer question get error message because assumption program transmitter assigned list NOT being returned use worth investigating might late arrival somebody may have caught tak ing transmitter impound notify ing manager can issue channel menu chosen random until Whole menu zeroed will allow 0 15 transmitters use simul taneously After transmitter returned trans mitter different RC channel can issued can receive back impound transmitter represented channel RC CHANNELS ASSIGNED list WIMP wont know whether transmitter coming back went out impound person will have identitt transmitter num bered sticker easy way number 401 40-2 40-3 etc assuming talking about transmitters RC4O subroutine use dash nwnbet call transmitters round random oider channel could written subrou tine also could collect scores transmitter returned impound print out tally sheet end round chose things because would make pro gram too large some small-memory compu ters would slow things down WIMPV1 1 oc cupies 6K ASCII 5K binary plus another 1K variables registers cycles through menu 15 seconds 25 MHZ Kaypro II Well leave fancy stuff VerSion 20 per haps enough interest Priority can cancelled tilDe enter ing 99[CR] WIMP will continue issue/receive transmitters accurately formerly pri oritized channel returned will deducted list assigned channels 4nd menu will adjusted accordingly Assuming round has completed number channels assigned has re duced 0 Priority can reinvoked typing 98[CR] priority message will reappear priority channels will reappear under CHAN NELS ASSIGNED number channels assigned will given 0 assumed impound manager will hand Out transmitter Priority Channels start next round Entering just channel numbers will reset num ber channels assigned program will ready resume its duties issuing other channels regulated random basiS prefer Disaster control lightning bolt some really wild glitch somehow manages dump WIMP two possibilities Typing CONTICRI usually will jump-start WIMP no data will lost Check Out anyway some dummy gets feet tangled power cord yanks out must start over Start ing up again easy particularly have using optional printer subroutine log keyboard transactions can get WIMP Send $20 Pacific Hobby Associates 4920 Cypress Ave Carmi chael CA 95608 WIMPYll perhaps later version Im now working on Continued page 141 HOW EAS CAN BE Inrroduapq The XT-1 Transmitter Tray BJ ENTERPRISES 1100 Center Street Havre Montana 59501 Experience Thrill Today XT-1 Transmitter Tray set Gimbal Extenders $3 50 Postage & Handling TO ORDER CALL 1406265-48Z8 z Make Flying Breeze 44 ORDERS SHIPPED DAY RECEIVED WARBIRD VIDEOS VHS OR BETA OUR 23RD YEAR IAIITIR ANY TWO VIDEOS ONLY $7595 ANY S VIDEOS ONLY $19795 SPE6 IML RODRY OFFE ALL 6 VIDEOS ONLY $19995 WARBIRfl CHECKOUT VOL Flying P-40 Warhawk Cdrsar Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 July 1989 41 Intioductoty Qtter WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NF 1454 Programs100 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NF 1514 Programslb Mm Only $3995 CALL lULL FREE IT CARDS ey Order Check -Card Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141
Edition: Model Aviation - 1989/07
Page Numbers: 38, 39, 40, 41, 141
George M Mye 7kadiomchnque WHAT FOLLOWS detailed specification list assumptions definitions computer program invited write yourself have ever tried develop computer program already know help ful well thought out specification Take way want enough people work problem may get solution Whats problem problem want fly much confidence possible during period people changing over wideband narrow-band equipment WIMPVI1 basic idea conservatively maximize number randomly selected noninterfering RC channels use resorting flight stations lists WIMP computer program manage continuous flow transmitters through im fo c pound large contests fly-ins accommo dates kind radio wideband narrow band AM FM PCM Gold Silver No Sticker WIMP usable now good 1991 beyond WIMP completely tests choice reports result less 15 seconds WIMPV1 1 favors wideband equipment considers MRS/PRS transmitters its computa tions MRS facturers Radio Service PRS Personal Radio Service trans mitters operating frequencies betweenand 10 kHz away fromour RC transmitters WIMPVI1 does consider interference sources outside 72 MHz band nor does manage transmitters 27 MHz Ham bands Simple WIMP modifications can change its features Specifications 1 Wideband means usable 40 kHz raster 1983-90 situation 2 Narrow band means conforming AMA Guidelines 1991 3 RC PRS transmitter pre sumed wideband 4 receiver pre sumed wideband 5 Inband interference generators presumed known 6 Only RC transmitters issued through WIMP operating 7 Adjacent channels blocked 10 20 30 kHz 8 21M blocked 450 460 kHz 9 Image blocked 910 kHz 10 31M blocked above below middle pair 11 Blocks ac tive channels allowed 12 printer op tion keeps record keyboard entries 13 Priority Mode can invoked cancelled time Priority Mode keeps most-used RC channel numbers operating interruption until cancel priority 14 Transmit ters priority list will issued first 15 WIMP Priority Mode blocks use RC channels can interfere prioritized channels 16 Using Priority Mode impound person can automatically issue next transmitter channel time Priority Channel trans mitter returned No keyboard entries re quired WIMP WIMP bars forms potential interfer ence considered previous program FSGAME based predefined spaced flight stations WIMP got started Owen S Pacific Plan Black showed simpler way write FSGAME developed both us via let ters phone calls across country well comments provided friends compu ters played added wish lists found bugs earlier versions Note friends still using version dated earlier 3/7/89 scrap WIMP will let randomly select up 15 RC channels odd mixed numbers FCC-authorized 50 RC channels 72 MHz use simultaneously con cern flight stations spacings Use before 1991 picking menu AMA list 22 channels course should stay within 100 ft another can see whats happening should keep 25 ft back run way per AMAs Recommended RC Flying Site Specifications page 2 Membership Manual save wear tear shins Bill Greens Cessna 208 Caravan L winner 1987 Alaska Scale Masters meet Elmendor AFB AK Frank Weaver Buecker Bestmann R seen Elmendorf AFB proof really areomodeling Alaska Photos David Lawrence 38 Model Aviation 70 Froebllch Fann Rd Hkksville NY 11801 ABSTRACT WIMP Vi 1a 50-channel Impound Manager Program Functional description WIMP small digital computer program designed minimize interference possibilities RC operations 72 MHz Aircraft Only band intended use lap-top computer help manage flow transmitters Out impound 50 RC channels 50 PRS channels 72 MHz band considered calculations RC channels dis played menu Interference sources outside band RC transmitters 27 MHz Ham bands managed version An option use printer log keyboard transactions included Operation WIMP written MBASIC can used computer BASIC plus about 15 kilobytes RAM available pro gram its computations Said computer may hand-held lap-top and/or desktop model Let us know about smallest computer can wedge Install BASIC type LOAD WIMP [CR] WIMP should come up running single color nonblinking ASCII mode should self-explanatory built-in prompts editing error messages should provide educa tion protection need event computer allows/requires peculiar starting commands non-ASCII com mands Beep Blink Clear Screen Color etc responsible adding partic ular commands converting ASCII report screen designed 25 lines 80 characters display may have change suit computer printer avail able WIMP can print running list key board transactions Again may have pro vide control codes peculiar printer Subroutine 1PRINTER WIMP will ask DO YOU WANT TO ACTIVATE THE PRINTER OPTION Y/N type Y[CR] WIMP will ready print must have printer connected turned paper loaded initialized point dont WIMP will just sit look until you type N[CR] WIMP will proceed whether have printer WIMP saves up 10 keyboard inputs before printing line dont worried dont see print right away Subroutine 2INTERFERENCES first screen prompted enter known INTER FERENCE TRANSMITTERS RC channels KNOWN TO BE SUFFERING INTERFER ENCE WHEN USED ALONE must en tered decimal number 72xx representing operating frequency MHz WIMP will re spond channel number input MRS/PRS frequency MRS/PRS frequencies end numbers like 7208 response will xx5 ex ample Input 7108 get 145 indicates channel between RCl4 RCl5 Thats last will see except WE HAVE D MRS/PRS INTERFERENCES message line because RC channels shown menu computer keeps xx5 channels its memory uses its calculations Terminate Interference Subroutine enter ing zero letter 0 press car riage return key herein indicated 0[RETURN] 01CR] Some machines will satisfied just [CR] Channel blocks zeros menu will computed message line bottom screen shows blocks found fa shion AAAAAA22IMLH Continued page 40 Bomber Field has scheduled first gathering majestic old War-Birds practice formation flying air-borne photography bombing missions over Monaville Texas conjunction Annual Big Bird Meet have decided make annual event its kind world have seven B-17s confirmed want 15 Come help make nostalgic event conducted RC World Mr Wesley Hartberg Westcraft owner designer & producer B-17 kit will attend bringing least B-17s California Trophys will awarded Spectacular air-borne VHS nose camera footage taken aB-17 @ Bomber Field available Witness bombardiers viewpoint B-17 lifting off asphalt runway misting rain hear sounds 2-engines failing resulting stunning inverted crash landing demolishing B-17 Bomber Fields runway 50x 600 asphalt paved taxiways auxiliary runway is75x400 Bermuda grass hangar 50 150 covered upper observation deck spectators entire flying area flat farmland no obstructions specific information tape availability call write B B Weber President Bomber Field Inc PO Box 721950Office 713 498-7935 Houston Texas 77272Fax 713 495-1203 BOMBER FIELDA MONAVILLE TEXAS10000 July 1989 39 K 4 UNLEASH YOUR Starting engine keeping fingers out prop adjusting high speed needle removing glow plug clip setting throttle trim radio perhaps adjusting idle needle getting starter its power cords out way can quite hazardous job Dave Brown Products Starter Pack designed eliminate annoying starter cords give much safer environ ment starting engines compact unit starter mounts top Ten rechargeable 12V Sub-C cells concealed case provides power Starter Pack Charger perfect match charging starter pack overnight simply plugs AC outlet clips onto power leads pack Tooting Own Horns Lifik about 0tatiflg art BallhOUt befldfl9 kiflldn9 Thats because lot tOOble Wit mount realistIC Hornsapplicatid Phreeholf eSt Controlonall makes anY ye stur y varieW ball linkds h Theyre a~jgter cleaner ushro rance scale ppea iOu mUCu add UP e5igned 9d y 5 less control syste nk Control Horn Robad Ball Llthan others off expensive . t 5owig cent channel 0 30 kHz active channels can easily change hatever pleases 2 nd Order Intermodulation 460 kHz Definitely leave alone e kHz M nel between active pair completes 31M triplet WIMP does block RC channel between two PRS transmit ters because would causing interference WITH very unlikely considering power differences would seeing interfer ence FROM L nel below pair being consid ered completes 31M triplet H nel above pair being consid ered completes 31M triplet dont need messages put diagnostic tool left give confidence computer really com puting Since 100 channels can no 100 characters normal message line delete message PRINTs program will little faster Error messages may also seen line such LOCKED OUT BLOCKEDTRY LATER *** ERROR *** 5 INTERFERES WITH ACTIVE CHANNEL *** After enter 0[CR] WIMP will lock interferences present new menu some channels blocked zeroed prompt ENTER PRIORITY CHANNEL Take moment examine menu blocked channels should go contest announcement Subroutine 3PRIORITY CHANNELS WIMP shifts collecting priority channels sumed some RC channels will used large number transmitters others will contest being flown rounds tal time round can t less time required fly off transmitters channel largest number transmit ters Therefore program allows prior itize such heavily used channels Priority Mode effect no channel can issued will cause interference Priority channels leave Priority Subroutine typing 01CR] before Subroutine 4ISSUE/RECEIVE TRANSMIT TERS After interferences priorities have captured program shifts its ISSUE/RECEIVE TRANSMITTERS subrou tine subroutine continues force until computer turned off until program has interrupted restarted Issue/Return mode WIMP presents menu channels may assigned Chan nels may NOT assigned represented zero menu enter number RC channel number lists added RC CHANNELS ASSIGNED list number transmitters assigned incremented Other channels menu can interfered new issue zeroed number enter already list RC channels assigned WIMP asks 15 THIS RETURN type YICR] Yes WIMP inspects list Priority Channels channel found message flashes up PRIORITY RELEASE NEXT XMTR ON CHNL 40 whatever channel number entered sumption programming impound person will immediately signments counts screen will change Therefore no input WIMP needed 40 Model Aviation r $ARERI Thick standoff allow just about snake stafler used DAVE BROWN PRODUCTS 4560 Layhigh Rd Hamilton Ohio 45013 e 513 738-1576 513 738-0152 Starter Pack available easy assemble kit form less batteries pre-assembled form rechargeable batteries Starter charger included either pack isnt upset give channel Priority Channel WIMP sends message SWITCH IT OFF de ducts number list assigned chan nels decrements count active transmit ters Zeros replaced channel numbers menu representing channels no longer inhibited channel formerly use type anything Y answer question get error message because assumption program transmitter assigned list NOT being returned use worth investigating might late arrival somebody may have caught tak ing transmitter impound notify ing manager can issue channel menu chosen random until Whole menu zeroed will allow 0 15 transmitters use simul taneously After transmitter returned trans mitter different RC channel can issued can receive back impound transmitter represented channel RC CHANNELS ASSIGNED list WIMP wont know whether transmitter coming back went out impound person will have identitt transmitter num bered sticker easy way number 401 40-2 40-3 etc assuming talking about transmitters RC4O subroutine use dash nwnbet call transmitters round random oider channel could written subrou tine also could collect scores transmitter returned impound print out tally sheet end round chose things because would make pro gram too large some small-memory compu ters would slow things down WIMPV1 1 oc cupies 6K ASCII 5K binary plus another 1K variables registers cycles through menu 15 seconds 25 MHZ Kaypro II Well leave fancy stuff VerSion 20 per haps enough interest Priority can cancelled tilDe enter ing 99[CR] WIMP will continue issue/receive transmitters accurately formerly pri oritized channel returned will deducted list assigned channels 4nd menu will adjusted accordingly Assuming round has completed number channels assigned has re duced 0 Priority can reinvoked typing 98[CR] priority message will reappear priority channels will reappear under CHAN NELS ASSIGNED number channels assigned will given 0 assumed impound manager will hand Out transmitter Priority Channels start next round Entering just channel numbers will reset num ber channels assigned program will ready resume its duties issuing other channels regulated random basiS prefer Disaster control lightning bolt some really wild glitch somehow manages dump WIMP two possibilities Typing CONTICRI usually will jump-start WIMP no data will lost Check Out anyway some dummy gets feet tangled power cord yanks out must start over Start ing up again easy particularly have using optional printer subroutine log keyboard transactions can get WIMP Send $20 Pacific Hobby Associates 4920 Cypress Ave Carmi chael CA 95608 WIMPYll perhaps later version Im now working on Continued page 141 HOW EAS CAN BE Inrroduapq The XT-1 Transmitter Tray BJ ENTERPRISES 1100 Center Street Havre Montana 59501 Experience Thrill Today XT-1 Transmitter Tray set Gimbal Extenders $3 50 Postage & Handling TO ORDER CALL 1406265-48Z8 z Make Flying Breeze 44 ORDERS SHIPPED DAY RECEIVED WARBIRD VIDEOS VHS OR BETA OUR 23RD YEAR IAIITIR ANY TWO VIDEOS ONLY $7595 ANY S VIDEOS ONLY $19795 SPE6 IML RODRY OFFE ALL 6 VIDEOS ONLY $19995 WARBIRfl CHECKOUT VOL Flying P-40 Warhawk Cdrsar Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 July 1989 41 Intioductoty Qtter WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NF 1454 Programs100 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NF 1514 Programslb Mm Only $3995 CALL lULL FREE IT CARDS ey Order Check -Card Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141
Edition: Model Aviation - 1989/07
Page Numbers: 38, 39, 40, 41, 141
George M Mye 7kadiomchnque WHAT FOLLOWS detailed specification list assumptions definitions computer program invited write yourself have ever tried develop computer program already know help ful well thought out specification Take way want enough people work problem may get solution Whats problem problem want fly much confidence possible during period people changing over wideband narrow-band equipment WIMPVI1 basic idea conservatively maximize number randomly selected noninterfering RC channels use resorting flight stations lists WIMP computer program manage continuous flow transmitters through im fo c pound large contests fly-ins accommo dates kind radio wideband narrow band AM FM PCM Gold Silver No Sticker WIMP usable now good 1991 beyond WIMP completely tests choice reports result less 15 seconds WIMPV1 1 favors wideband equipment considers MRS/PRS transmitters its computa tions MRS facturers Radio Service PRS Personal Radio Service trans mitters operating frequencies betweenand 10 kHz away fromour RC transmitters WIMPVI1 does consider interference sources outside 72 MHz band nor does manage transmitters 27 MHz Ham bands Simple WIMP modifications can change its features Specifications 1 Wideband means usable 40 kHz raster 1983-90 situation 2 Narrow band means conforming AMA Guidelines 1991 3 RC PRS transmitter pre sumed wideband 4 receiver pre sumed wideband 5 Inband interference generators presumed known 6 Only RC transmitters issued through WIMP operating 7 Adjacent channels blocked 10 20 30 kHz 8 21M blocked 450 460 kHz 9 Image blocked 910 kHz 10 31M blocked above below middle pair 11 Blocks ac tive channels allowed 12 printer op tion keeps record keyboard entries 13 Priority Mode can invoked cancelled time Priority Mode keeps most-used RC channel numbers operating interruption until cancel priority 14 Transmit ters priority list will issued first 15 WIMP Priority Mode blocks use RC channels can interfere prioritized channels 16 Using Priority Mode impound person can automatically issue next transmitter channel time Priority Channel trans mitter returned No keyboard entries re quired WIMP WIMP bars forms potential interfer ence considered previous program FSGAME based predefined spaced flight stations WIMP got started Owen S Pacific Plan Black showed simpler way write FSGAME developed both us via let ters phone calls across country well comments provided friends compu ters played added wish lists found bugs earlier versions Note friends still using version dated earlier 3/7/89 scrap WIMP will let randomly select up 15 RC channels odd mixed numbers FCC-authorized 50 RC channels 72 MHz use simultaneously con cern flight stations spacings Use before 1991 picking menu AMA list 22 channels course should stay within 100 ft another can see whats happening should keep 25 ft back run way per AMAs Recommended RC Flying Site Specifications page 2 Membership Manual save wear tear shins Bill Greens Cessna 208 Caravan L winner 1987 Alaska Scale Masters meet Elmendor AFB AK Frank Weaver Buecker Bestmann R seen Elmendorf AFB proof really areomodeling Alaska Photos David Lawrence 38 Model Aviation 70 Froebllch Fann Rd Hkksville NY 11801 ABSTRACT WIMP Vi 1a 50-channel Impound Manager Program Functional description WIMP small digital computer program designed minimize interference possibilities RC operations 72 MHz Aircraft Only band intended use lap-top computer help manage flow transmitters Out impound 50 RC channels 50 PRS channels 72 MHz band considered calculations RC channels dis played menu Interference sources outside band RC transmitters 27 MHz Ham bands managed version An option use printer log keyboard transactions included Operation WIMP written MBASIC can used computer BASIC plus about 15 kilobytes RAM available pro gram its computations Said computer may hand-held lap-top and/or desktop model Let us know about smallest computer can wedge Install BASIC type LOAD WIMP [CR] WIMP should come up running single color nonblinking ASCII mode should self-explanatory built-in prompts editing error messages should provide educa tion protection need event computer allows/requires peculiar starting commands non-ASCII com mands Beep Blink Clear Screen Color etc responsible adding partic ular commands converting ASCII report screen designed 25 lines 80 characters display may have change suit computer printer avail able WIMP can print running list key board transactions Again may have pro vide control codes peculiar printer Subroutine 1PRINTER WIMP will ask DO YOU WANT TO ACTIVATE THE PRINTER OPTION Y/N type Y[CR] WIMP will ready print must have printer connected turned paper loaded initialized point dont WIMP will just sit look until you type N[CR] WIMP will proceed whether have printer WIMP saves up 10 keyboard inputs before printing line dont worried dont see print right away Subroutine 2INTERFERENCES first screen prompted enter known INTER FERENCE TRANSMITTERS RC channels KNOWN TO BE SUFFERING INTERFER ENCE WHEN USED ALONE must en tered decimal number 72xx representing operating frequency MHz WIMP will re spond channel number input MRS/PRS frequency MRS/PRS frequencies end numbers like 7208 response will xx5 ex ample Input 7108 get 145 indicates channel between RCl4 RCl5 Thats last will see except WE HAVE D MRS/PRS INTERFERENCES message line because RC channels shown menu computer keeps xx5 channels its memory uses its calculations Terminate Interference Subroutine enter ing zero letter 0 press car riage return key herein indicated 0[RETURN] 01CR] Some machines will satisfied just [CR] Channel blocks zeros menu will computed message line bottom screen shows blocks found fa shion AAAAAA22IMLH Continued page 40 Bomber Field has scheduled first gathering majestic old War-Birds practice formation flying air-borne photography bombing missions over Monaville Texas conjunction Annual Big Bird Meet have decided make annual event its kind world have seven B-17s confirmed want 15 Come help make nostalgic event conducted RC World Mr Wesley Hartberg Westcraft owner designer & producer B-17 kit will attend bringing least B-17s California Trophys will awarded Spectacular air-borne VHS nose camera footage taken aB-17 @ Bomber Field available Witness bombardiers viewpoint B-17 lifting off asphalt runway misting rain hear sounds 2-engines failing resulting stunning inverted crash landing demolishing B-17 Bomber Fields runway 50x 600 asphalt paved taxiways auxiliary runway is75x400 Bermuda grass hangar 50 150 covered upper observation deck spectators entire flying area flat farmland no obstructions specific information tape availability call write B B Weber President Bomber Field Inc PO Box 721950Office 713 498-7935 Houston Texas 77272Fax 713 495-1203 BOMBER FIELDA MONAVILLE TEXAS10000 July 1989 39 K 4 UNLEASH YOUR Starting engine keeping fingers out prop adjusting high speed needle removing glow plug clip setting throttle trim radio perhaps adjusting idle needle getting starter its power cords out way can quite hazardous job Dave Brown Products Starter Pack designed eliminate annoying starter cords give much safer environ ment starting engines compact unit starter mounts top Ten rechargeable 12V Sub-C cells concealed case provides power Starter Pack Charger perfect match charging starter pack overnight simply plugs AC outlet clips onto power leads pack Tooting Own Horns Lifik about 0tatiflg art BallhOUt befldfl9 kiflldn9 Thats because lot tOOble Wit mount realistIC Hornsapplicatid Phreeholf eSt Controlonall makes anY ye stur y varieW ball linkds h Theyre a~jgter cleaner ushro rance scale ppea iOu mUCu add UP e5igned 9d y 5 less control syste nk Control Horn Robad Ball Llthan others off expensive . t 5owig cent channel 0 30 kHz active channels can easily change hatever pleases 2 nd Order Intermodulation 460 kHz Definitely leave alone e kHz M nel between active pair completes 31M triplet WIMP does block RC channel between two PRS transmit ters because would causing interference WITH very unlikely considering power differences would seeing interfer ence FROM L nel below pair being consid ered completes 31M triplet H nel above pair being consid ered completes 31M triplet dont need messages put diagnostic tool left give confidence computer really com puting Since 100 channels can no 100 characters normal message line delete message PRINTs program will little faster Error messages may also seen line such LOCKED OUT BLOCKEDTRY LATER *** ERROR *** 5 INTERFERES WITH ACTIVE CHANNEL *** After enter 0[CR] WIMP will lock interferences present new menu some channels blocked zeroed prompt ENTER PRIORITY CHANNEL Take moment examine menu blocked channels should go contest announcement Subroutine 3PRIORITY CHANNELS WIMP shifts collecting priority channels sumed some RC channels will used large number transmitters others will contest being flown rounds tal time round can t less time required fly off transmitters channel largest number transmit ters Therefore program allows prior itize such heavily used channels Priority Mode effect no channel can issued will cause interference Priority channels leave Priority Subroutine typing 01CR] before Subroutine 4ISSUE/RECEIVE TRANSMIT TERS After interferences priorities have captured program shifts its ISSUE/RECEIVE TRANSMITTERS subrou tine subroutine continues force until computer turned off until program has interrupted restarted Issue/Return mode WIMP presents menu channels may assigned Chan nels may NOT assigned represented zero menu enter number RC channel number lists added RC CHANNELS ASSIGNED list number transmitters assigned incremented Other channels menu can interfered new issue zeroed number enter already list RC channels assigned WIMP asks 15 THIS RETURN type YICR] Yes WIMP inspects list Priority Channels channel found message flashes up PRIORITY RELEASE NEXT XMTR ON CHNL 40 whatever channel number entered sumption programming impound person will immediately signments counts screen will change Therefore no input WIMP needed 40 Model Aviation r $ARERI Thick standoff allow just about snake stafler used DAVE BROWN PRODUCTS 4560 Layhigh Rd Hamilton Ohio 45013 e 513 738-1576 513 738-0152 Starter Pack available easy assemble kit form less batteries pre-assembled form rechargeable batteries Starter charger included either pack isnt upset give channel Priority Channel WIMP sends message SWITCH IT OFF de ducts number list assigned chan nels decrements count active transmit ters Zeros replaced channel numbers menu representing channels no longer inhibited channel formerly use type anything Y answer question get error message because assumption program transmitter assigned list NOT being returned use worth investigating might late arrival somebody may have caught tak ing transmitter impound notify ing manager can issue channel menu chosen random until Whole menu zeroed will allow 0 15 transmitters use simul taneously After transmitter returned trans mitter different RC channel can issued can receive back impound transmitter represented channel RC CHANNELS ASSIGNED list WIMP wont know whether transmitter coming back went out impound person will have identitt transmitter num bered sticker easy way number 401 40-2 40-3 etc assuming talking about transmitters RC4O subroutine use dash nwnbet call transmitters round random oider channel could written subrou tine also could collect scores transmitter returned impound print out tally sheet end round chose things because would make pro gram too large some small-memory compu ters would slow things down WIMPV1 1 oc cupies 6K ASCII 5K binary plus another 1K variables registers cycles through menu 15 seconds 25 MHZ Kaypro II Well leave fancy stuff VerSion 20 per haps enough interest Priority can cancelled tilDe enter ing 99[CR] WIMP will continue issue/receive transmitters accurately formerly pri oritized channel returned will deducted list assigned channels 4nd menu will adjusted accordingly Assuming round has completed number channels assigned has re duced 0 Priority can reinvoked typing 98[CR] priority message will reappear priority channels will reappear under CHAN NELS ASSIGNED number channels assigned will given 0 assumed impound manager will hand Out transmitter Priority Channels start next round Entering just channel numbers will reset num ber channels assigned program will ready resume its duties issuing other channels regulated random basiS prefer Disaster control lightning bolt some really wild glitch somehow manages dump WIMP two possibilities Typing CONTICRI usually will jump-start WIMP no data will lost Check Out anyway some dummy gets feet tangled power cord yanks out must start over Start ing up again easy particularly have using optional printer subroutine log keyboard transactions can get WIMP Send $20 Pacific Hobby Associates 4920 Cypress Ave Carmi chael CA 95608 WIMPYll perhaps later version Im now working on Continued page 141 HOW EAS CAN BE Inrroduapq The XT-1 Transmitter Tray BJ ENTERPRISES 1100 Center Street Havre Montana 59501 Experience Thrill Today XT-1 Transmitter Tray set Gimbal Extenders $3 50 Postage & Handling TO ORDER CALL 1406265-48Z8 z Make Flying Breeze 44 ORDERS SHIPPED DAY RECEIVED WARBIRD VIDEOS VHS OR BETA OUR 23RD YEAR IAIITIR ANY TWO VIDEOS ONLY $7595 ANY S VIDEOS ONLY $19795 SPE6 IML RODRY OFFE ALL 6 VIDEOS ONLY $19995 WARBIRfl CHECKOUT VOL Flying P-40 Warhawk Cdrsar Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 July 1989 41 Intioductoty Qtter WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NF 1454 Programs100 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NF 1514 Programslb Mm Only $3995 CALL lULL FREE IT CARDS ey Order Check -Card Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141
Edition: Model Aviation - 1989/07
Page Numbers: 38, 39, 40, 41, 141
George M Mye 7kadiomchnque WHAT FOLLOWS detailed specification list assumptions definitions computer program invited write yourself have ever tried develop computer program already know help ful well thought out specification Take way want enough people work problem may get solution Whats problem problem want fly much confidence possible during period people changing over wideband narrow-band equipment WIMPVI1 basic idea conservatively maximize number randomly selected noninterfering RC channels use resorting flight stations lists WIMP computer program manage continuous flow transmitters through im fo c pound large contests fly-ins accommo dates kind radio wideband narrow band AM FM PCM Gold Silver No Sticker WIMP usable now good 1991 beyond WIMP completely tests choice reports result less 15 seconds WIMPV1 1 favors wideband equipment considers MRS/PRS transmitters its computa tions MRS facturers Radio Service PRS Personal Radio Service trans mitters operating frequencies betweenand 10 kHz away fromour RC transmitters WIMPVI1 does consider interference sources outside 72 MHz band nor does manage transmitters 27 MHz Ham bands Simple WIMP modifications can change its features Specifications 1 Wideband means usable 40 kHz raster 1983-90 situation 2 Narrow band means conforming AMA Guidelines 1991 3 RC PRS transmitter pre sumed wideband 4 receiver pre sumed wideband 5 Inband interference generators presumed known 6 Only RC transmitters issued through WIMP operating 7 Adjacent channels blocked 10 20 30 kHz 8 21M blocked 450 460 kHz 9 Image blocked 910 kHz 10 31M blocked above below middle pair 11 Blocks ac tive channels allowed 12 printer op tion keeps record keyboard entries 13 Priority Mode can invoked cancelled time Priority Mode keeps most-used RC channel numbers operating interruption until cancel priority 14 Transmit ters priority list will issued first 15 WIMP Priority Mode blocks use RC channels can interfere prioritized channels 16 Using Priority Mode impound person can automatically issue next transmitter channel time Priority Channel trans mitter returned No keyboard entries re quired WIMP WIMP bars forms potential interfer ence considered previous program FSGAME based predefined spaced flight stations WIMP got started Owen S Pacific Plan Black showed simpler way write FSGAME developed both us via let ters phone calls across country well comments provided friends compu ters played added wish lists found bugs earlier versions Note friends still using version dated earlier 3/7/89 scrap WIMP will let randomly select up 15 RC channels odd mixed numbers FCC-authorized 50 RC channels 72 MHz use simultaneously con cern flight stations spacings Use before 1991 picking menu AMA list 22 channels course should stay within 100 ft another can see whats happening should keep 25 ft back run way per AMAs Recommended RC Flying Site Specifications page 2 Membership Manual save wear tear shins Bill Greens Cessna 208 Caravan L winner 1987 Alaska Scale Masters meet Elmendor AFB AK Frank Weaver Buecker Bestmann R seen Elmendorf AFB proof really areomodeling Alaska Photos David Lawrence 38 Model Aviation 70 Froebllch Fann Rd Hkksville NY 11801 ABSTRACT WIMP Vi 1a 50-channel Impound Manager Program Functional description WIMP small digital computer program designed minimize interference possibilities RC operations 72 MHz Aircraft Only band intended use lap-top computer help manage flow transmitters Out impound 50 RC channels 50 PRS channels 72 MHz band considered calculations RC channels dis played menu Interference sources outside band RC transmitters 27 MHz Ham bands managed version An option use printer log keyboard transactions included Operation WIMP written MBASIC can used computer BASIC plus about 15 kilobytes RAM available pro gram its computations Said computer may hand-held lap-top and/or desktop model Let us know about smallest computer can wedge Install BASIC type LOAD WIMP [CR] WIMP should come up running single color nonblinking ASCII mode should self-explanatory built-in prompts editing error messages should provide educa tion protection need event computer allows/requires peculiar starting commands non-ASCII com mands Beep Blink Clear Screen Color etc responsible adding partic ular commands converting ASCII report screen designed 25 lines 80 characters display may have change suit computer printer avail able WIMP can print running list key board transactions Again may have pro vide control codes peculiar printer Subroutine 1PRINTER WIMP will ask DO YOU WANT TO ACTIVATE THE PRINTER OPTION Y/N type Y[CR] WIMP will ready print must have printer connected turned paper loaded initialized point dont WIMP will just sit look until you type N[CR] WIMP will proceed whether have printer WIMP saves up 10 keyboard inputs before printing line dont worried dont see print right away Subroutine 2INTERFERENCES first screen prompted enter known INTER FERENCE TRANSMITTERS RC channels KNOWN TO BE SUFFERING INTERFER ENCE WHEN USED ALONE must en tered decimal number 72xx representing operating frequency MHz WIMP will re spond channel number input MRS/PRS frequency MRS/PRS frequencies end numbers like 7208 response will xx5 ex ample Input 7108 get 145 indicates channel between RCl4 RCl5 Thats last will see except WE HAVE D MRS/PRS INTERFERENCES message line because RC channels shown menu computer keeps xx5 channels its memory uses its calculations Terminate Interference Subroutine enter ing zero letter 0 press car riage return key herein indicated 0[RETURN] 01CR] Some machines will satisfied just [CR] Channel blocks zeros menu will computed message line bottom screen shows blocks found fa shion AAAAAA22IMLH Continued page 40 Bomber Field has scheduled first gathering majestic old War-Birds practice formation flying air-borne photography bombing missions over Monaville Texas conjunction Annual Big Bird Meet have decided make annual event its kind world have seven B-17s confirmed want 15 Come help make nostalgic event conducted RC World Mr Wesley Hartberg Westcraft owner designer & producer B-17 kit will attend bringing least B-17s California Trophys will awarded Spectacular air-borne VHS nose camera footage taken aB-17 @ Bomber Field available Witness bombardiers viewpoint B-17 lifting off asphalt runway misting rain hear sounds 2-engines failing resulting stunning inverted crash landing demolishing B-17 Bomber Fields runway 50x 600 asphalt paved taxiways auxiliary runway is75x400 Bermuda grass hangar 50 150 covered upper observation deck spectators entire flying area flat farmland no obstructions specific information tape availability call write B B Weber President Bomber Field Inc PO Box 721950Office 713 498-7935 Houston Texas 77272Fax 713 495-1203 BOMBER FIELDA MONAVILLE TEXAS10000 July 1989 39 K 4 UNLEASH YOUR Starting engine keeping fingers out prop adjusting high speed needle removing glow plug clip setting throttle trim radio perhaps adjusting idle needle getting starter its power cords out way can quite hazardous job Dave Brown Products Starter Pack designed eliminate annoying starter cords give much safer environ ment starting engines compact unit starter mounts top Ten rechargeable 12V Sub-C cells concealed case provides power Starter Pack Charger perfect match charging starter pack overnight simply plugs AC outlet clips onto power leads pack Tooting Own Horns Lifik about 0tatiflg art BallhOUt befldfl9 kiflldn9 Thats because lot tOOble Wit mount realistIC Hornsapplicatid Phreeholf eSt Controlonall makes anY ye stur y varieW ball linkds h Theyre a~jgter cleaner ushro rance scale ppea iOu mUCu add UP e5igned 9d y 5 less control syste nk Control Horn Robad Ball Llthan others off expensive . t 5owig cent channel 0 30 kHz active channels can easily change hatever pleases 2 nd Order Intermodulation 460 kHz Definitely leave alone e kHz M nel between active pair completes 31M triplet WIMP does block RC channel between two PRS transmit ters because would causing interference WITH very unlikely considering power differences would seeing interfer ence FROM L nel below pair being consid ered completes 31M triplet H nel above pair being consid ered completes 31M triplet dont need messages put diagnostic tool left give confidence computer really com puting Since 100 channels can no 100 characters normal message line delete message PRINTs program will little faster Error messages may also seen line such LOCKED OUT BLOCKEDTRY LATER *** ERROR *** 5 INTERFERES WITH ACTIVE CHANNEL *** After enter 0[CR] WIMP will lock interferences present new menu some channels blocked zeroed prompt ENTER PRIORITY CHANNEL Take moment examine menu blocked channels should go contest announcement Subroutine 3PRIORITY CHANNELS WIMP shifts collecting priority channels sumed some RC channels will used large number transmitters others will contest being flown rounds tal time round can t less time required fly off transmitters channel largest number transmit ters Therefore program allows prior itize such heavily used channels Priority Mode effect no channel can issued will cause interference Priority channels leave Priority Subroutine typing 01CR] before Subroutine 4ISSUE/RECEIVE TRANSMIT TERS After interferences priorities have captured program shifts its ISSUE/RECEIVE TRANSMITTERS subrou tine subroutine continues force until computer turned off until program has interrupted restarted Issue/Return mode WIMP presents menu channels may assigned Chan nels may NOT assigned represented zero menu enter number RC channel number lists added RC CHANNELS ASSIGNED list number transmitters assigned incremented Other channels menu can interfered new issue zeroed number enter already list RC channels assigned WIMP asks 15 THIS RETURN type YICR] Yes WIMP inspects list Priority Channels channel found message flashes up PRIORITY RELEASE NEXT XMTR ON CHNL 40 whatever channel number entered sumption programming impound person will immediately signments counts screen will change Therefore no input WIMP needed 40 Model Aviation r $ARERI Thick standoff allow just about snake stafler used DAVE BROWN PRODUCTS 4560 Layhigh Rd Hamilton Ohio 45013 e 513 738-1576 513 738-0152 Starter Pack available easy assemble kit form less batteries pre-assembled form rechargeable batteries Starter charger included either pack isnt upset give channel Priority Channel WIMP sends message SWITCH IT OFF de ducts number list assigned chan nels decrements count active transmit ters Zeros replaced channel numbers menu representing channels no longer inhibited channel formerly use type anything Y answer question get error message because assumption program transmitter assigned list NOT being returned use worth investigating might late arrival somebody may have caught tak ing transmitter impound notify ing manager can issue channel menu chosen random until Whole menu zeroed will allow 0 15 transmitters use simul taneously After transmitter returned trans mitter different RC channel can issued can receive back impound transmitter represented channel RC CHANNELS ASSIGNED list WIMP wont know whether transmitter coming back went out impound person will have identitt transmitter num bered sticker easy way number 401 40-2 40-3 etc assuming talking about transmitters RC4O subroutine use dash nwnbet call transmitters round random oider channel could written subrou tine also could collect scores transmitter returned impound print out tally sheet end round chose things because would make pro gram too large some small-memory compu ters would slow things down WIMPV1 1 oc cupies 6K ASCII 5K binary plus another 1K variables registers cycles through menu 15 seconds 25 MHZ Kaypro II Well leave fancy stuff VerSion 20 per haps enough interest Priority can cancelled tilDe enter ing 99[CR] WIMP will continue issue/receive transmitters accurately formerly pri oritized channel returned will deducted list assigned channels 4nd menu will adjusted accordingly Assuming round has completed number channels assigned has re duced 0 Priority can reinvoked typing 98[CR] priority message will reappear priority channels will reappear under CHAN NELS ASSIGNED number channels assigned will given 0 assumed impound manager will hand Out transmitter Priority Channels start next round Entering just channel numbers will reset num ber channels assigned program will ready resume its duties issuing other channels regulated random basiS prefer Disaster control lightning bolt some really wild glitch somehow manages dump WIMP two possibilities Typing CONTICRI usually will jump-start WIMP no data will lost Check Out anyway some dummy gets feet tangled power cord yanks out must start over Start ing up again easy particularly have using optional printer subroutine log keyboard transactions can get WIMP Send $20 Pacific Hobby Associates 4920 Cypress Ave Carmi chael CA 95608 WIMPYll perhaps later version Im now working on Continued page 141 HOW EAS CAN BE Inrroduapq The XT-1 Transmitter Tray BJ ENTERPRISES 1100 Center Street Havre Montana 59501 Experience Thrill Today XT-1 Transmitter Tray set Gimbal Extenders $3 50 Postage & Handling TO ORDER CALL 1406265-48Z8 z Make Flying Breeze 44 ORDERS SHIPPED DAY RECEIVED WARBIRD VIDEOS VHS OR BETA OUR 23RD YEAR IAIITIR ANY TWO VIDEOS ONLY $7595 ANY S VIDEOS ONLY $19795 SPE6 IML RODRY OFFE ALL 6 VIDEOS ONLY $19995 WARBIRfl CHECKOUT VOL Flying P-40 Warhawk Cdrsar Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 July 1989 41 Intioductoty Qtter WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NF 1454 Programs100 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NF 1514 Programslb Mm Only $3995 CALL lULL FREE IT CARDS ey Order Check -Card Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141
Edition: Model Aviation - 1989/07
Page Numbers: 38, 39, 40, 41, 141
George M Mye 7kadiomchnque WHAT FOLLOWS detailed specification list assumptions definitions computer program invited write yourself have ever tried develop computer program already know help ful well thought out specification Take way want enough people work problem may get solution Whats problem problem want fly much confidence possible during period people changing over wideband narrow-band equipment WIMPVI1 basic idea conservatively maximize number randomly selected noninterfering RC channels use resorting flight stations lists WIMP computer program manage continuous flow transmitters through im fo c pound large contests fly-ins accommo dates kind radio wideband narrow band AM FM PCM Gold Silver No Sticker WIMP usable now good 1991 beyond WIMP completely tests choice reports result less 15 seconds WIMPV1 1 favors wideband equipment considers MRS/PRS transmitters its computa tions MRS facturers Radio Service PRS Personal Radio Service trans mitters operating frequencies betweenand 10 kHz away fromour RC transmitters WIMPVI1 does consider interference sources outside 72 MHz band nor does manage transmitters 27 MHz Ham bands Simple WIMP modifications can change its features Specifications 1 Wideband means usable 40 kHz raster 1983-90 situation 2 Narrow band means conforming AMA Guidelines 1991 3 RC PRS transmitter pre sumed wideband 4 receiver pre sumed wideband 5 Inband interference generators presumed known 6 Only RC transmitters issued through WIMP operating 7 Adjacent channels blocked 10 20 30 kHz 8 21M blocked 450 460 kHz 9 Image blocked 910 kHz 10 31M blocked above below middle pair 11 Blocks ac tive channels allowed 12 printer op tion keeps record keyboard entries 13 Priority Mode can invoked cancelled time Priority Mode keeps most-used RC channel numbers operating interruption until cancel priority 14 Transmit ters priority list will issued first 15 WIMP Priority Mode blocks use RC channels can interfere prioritized channels 16 Using Priority Mode impound person can automatically issue next transmitter channel time Priority Channel trans mitter returned No keyboard entries re quired WIMP WIMP bars forms potential interfer ence considered previous program FSGAME based predefined spaced flight stations WIMP got started Owen S Pacific Plan Black showed simpler way write FSGAME developed both us via let ters phone calls across country well comments provided friends compu ters played added wish lists found bugs earlier versions Note friends still using version dated earlier 3/7/89 scrap WIMP will let randomly select up 15 RC channels odd mixed numbers FCC-authorized 50 RC channels 72 MHz use simultaneously con cern flight stations spacings Use before 1991 picking menu AMA list 22 channels course should stay within 100 ft another can see whats happening should keep 25 ft back run way per AMAs Recommended RC Flying Site Specifications page 2 Membership Manual save wear tear shins Bill Greens Cessna 208 Caravan L winner 1987 Alaska Scale Masters meet Elmendor AFB AK Frank Weaver Buecker Bestmann R seen Elmendorf AFB proof really areomodeling Alaska Photos David Lawrence 38 Model Aviation 70 Froebllch Fann Rd Hkksville NY 11801 ABSTRACT WIMP Vi 1a 50-channel Impound Manager Program Functional description WIMP small digital computer program designed minimize interference possibilities RC operations 72 MHz Aircraft Only band intended use lap-top computer help manage flow transmitters Out impound 50 RC channels 50 PRS channels 72 MHz band considered calculations RC channels dis played menu Interference sources outside band RC transmitters 27 MHz Ham bands managed version An option use printer log keyboard transactions included Operation WIMP written MBASIC can used computer BASIC plus about 15 kilobytes RAM available pro gram its computations Said computer may hand-held lap-top and/or desktop model Let us know about smallest computer can wedge Install BASIC type LOAD WIMP [CR] WIMP should come up running single color nonblinking ASCII mode should self-explanatory built-in prompts editing error messages should provide educa tion protection need event computer allows/requires peculiar starting commands non-ASCII com mands Beep Blink Clear Screen Color etc responsible adding partic ular commands converting ASCII report screen designed 25 lines 80 characters display may have change suit computer printer avail able WIMP can print running list key board transactions Again may have pro vide control codes peculiar printer Subroutine 1PRINTER WIMP will ask DO YOU WANT TO ACTIVATE THE PRINTER OPTION Y/N type Y[CR] WIMP will ready print must have printer connected turned paper loaded initialized point dont WIMP will just sit look until you type N[CR] WIMP will proceed whether have printer WIMP saves up 10 keyboard inputs before printing line dont worried dont see print right away Subroutine 2INTERFERENCES first screen prompted enter known INTER FERENCE TRANSMITTERS RC channels KNOWN TO BE SUFFERING INTERFER ENCE WHEN USED ALONE must en tered decimal number 72xx representing operating frequency MHz WIMP will re spond channel number input MRS/PRS frequency MRS/PRS frequencies end numbers like 7208 response will xx5 ex ample Input 7108 get 145 indicates channel between RCl4 RCl5 Thats last will see except WE HAVE D MRS/PRS INTERFERENCES message line because RC channels shown menu computer keeps xx5 channels its memory uses its calculations Terminate Interference Subroutine enter ing zero letter 0 press car riage return key herein indicated 0[RETURN] 01CR] Some machines will satisfied just [CR] Channel blocks zeros menu will computed message line bottom screen shows blocks found fa shion AAAAAA22IMLH Continued page 40 Bomber Field has scheduled first gathering majestic old War-Birds practice formation flying air-borne photography bombing missions over Monaville Texas conjunction Annual Big Bird Meet have decided make annual event its kind world have seven B-17s confirmed want 15 Come help make nostalgic event conducted RC World Mr Wesley Hartberg Westcraft owner designer & producer B-17 kit will attend bringing least B-17s California Trophys will awarded Spectacular air-borne VHS nose camera footage taken aB-17 @ Bomber Field available Witness bombardiers viewpoint B-17 lifting off asphalt runway misting rain hear sounds 2-engines failing resulting stunning inverted crash landing demolishing B-17 Bomber Fields runway 50x 600 asphalt paved taxiways auxiliary runway is75x400 Bermuda grass hangar 50 150 covered upper observation deck spectators entire flying area flat farmland no obstructions specific information tape availability call write B B Weber President Bomber Field Inc PO Box 721950Office 713 498-7935 Houston Texas 77272Fax 713 495-1203 BOMBER FIELDA MONAVILLE TEXAS10000 July 1989 39 K 4 UNLEASH YOUR Starting engine keeping fingers out prop adjusting high speed needle removing glow plug clip setting throttle trim radio perhaps adjusting idle needle getting starter its power cords out way can quite hazardous job Dave Brown Products Starter Pack designed eliminate annoying starter cords give much safer environ ment starting engines compact unit starter mounts top Ten rechargeable 12V Sub-C cells concealed case provides power Starter Pack Charger perfect match charging starter pack overnight simply plugs AC outlet clips onto power leads pack Tooting Own Horns Lifik about 0tatiflg art BallhOUt befldfl9 kiflldn9 Thats because lot tOOble Wit mount realistIC Hornsapplicatid Phreeholf eSt Controlonall makes anY ye stur y varieW ball linkds h Theyre a~jgter cleaner ushro rance scale ppea iOu mUCu add UP e5igned 9d y 5 less control syste nk Control Horn Robad Ball Llthan others off expensive . t 5owig cent channel 0 30 kHz active channels can easily change hatever pleases 2 nd Order Intermodulation 460 kHz Definitely leave alone e kHz M nel between active pair completes 31M triplet WIMP does block RC channel between two PRS transmit ters because would causing interference WITH very unlikely considering power differences would seeing interfer ence FROM L nel below pair being consid ered completes 31M triplet H nel above pair being consid ered completes 31M triplet dont need messages put diagnostic tool left give confidence computer really com puting Since 100 channels can no 100 characters normal message line delete message PRINTs program will little faster Error messages may also seen line such LOCKED OUT BLOCKEDTRY LATER *** ERROR *** 5 INTERFERES WITH ACTIVE CHANNEL *** After enter 0[CR] WIMP will lock interferences present new menu some channels blocked zeroed prompt ENTER PRIORITY CHANNEL Take moment examine menu blocked channels should go contest announcement Subroutine 3PRIORITY CHANNELS WIMP shifts collecting priority channels sumed some RC channels will used large number transmitters others will contest being flown rounds tal time round can t less time required fly off transmitters channel largest number transmit ters Therefore program allows prior itize such heavily used channels Priority Mode effect no channel can issued will cause interference Priority channels leave Priority Subroutine typing 01CR] before Subroutine 4ISSUE/RECEIVE TRANSMIT TERS After interferences priorities have captured program shifts its ISSUE/RECEIVE TRANSMITTERS subrou tine subroutine continues force until computer turned off until program has interrupted restarted Issue/Return mode WIMP presents menu channels may assigned Chan nels may NOT assigned represented zero menu enter number RC channel number lists added RC CHANNELS ASSIGNED list number transmitters assigned incremented Other channels menu can interfered new issue zeroed number enter already list RC channels assigned WIMP asks 15 THIS RETURN type YICR] Yes WIMP inspects list Priority Channels channel found message flashes up PRIORITY RELEASE NEXT XMTR ON CHNL 40 whatever channel number entered sumption programming impound person will immediately signments counts screen will change Therefore no input WIMP needed 40 Model Aviation r $ARERI Thick standoff allow just about snake stafler used DAVE BROWN PRODUCTS 4560 Layhigh Rd Hamilton Ohio 45013 e 513 738-1576 513 738-0152 Starter Pack available easy assemble kit form less batteries pre-assembled form rechargeable batteries Starter charger included either pack isnt upset give channel Priority Channel WIMP sends message SWITCH IT OFF de ducts number list assigned chan nels decrements count active transmit ters Zeros replaced channel numbers menu representing channels no longer inhibited channel formerly use type anything Y answer question get error message because assumption program transmitter assigned list NOT being returned use worth investigating might late arrival somebody may have caught tak ing transmitter impound notify ing manager can issue channel menu chosen random until Whole menu zeroed will allow 0 15 transmitters use simul taneously After transmitter returned trans mitter different RC channel can issued can receive back impound transmitter represented channel RC CHANNELS ASSIGNED list WIMP wont know whether transmitter coming back went out impound person will have identitt transmitter num bered sticker easy way number 401 40-2 40-3 etc assuming talking about transmitters RC4O subroutine use dash nwnbet call transmitters round random oider channel could written subrou tine also could collect scores transmitter returned impound print out tally sheet end round chose things because would make pro gram too large some small-memory compu ters would slow things down WIMPV1 1 oc cupies 6K ASCII 5K binary plus another 1K variables registers cycles through menu 15 seconds 25 MHZ Kaypro II Well leave fancy stuff VerSion 20 per haps enough interest Priority can cancelled tilDe enter ing 99[CR] WIMP will continue issue/receive transmitters accurately formerly pri oritized channel returned will deducted list assigned channels 4nd menu will adjusted accordingly Assuming round has completed number channels assigned has re duced 0 Priority can reinvoked typing 98[CR] priority message will reappear priority channels will reappear under CHAN NELS ASSIGNED number channels assigned will given 0 assumed impound manager will hand Out transmitter Priority Channels start next round Entering just channel numbers will reset num ber channels assigned program will ready resume its duties issuing other channels regulated random basiS prefer Disaster control lightning bolt some really wild glitch somehow manages dump WIMP two possibilities Typing CONTICRI usually will jump-start WIMP no data will lost Check Out anyway some dummy gets feet tangled power cord yanks out must start over Start ing up again easy particularly have using optional printer subroutine log keyboard transactions can get WIMP Send $20 Pacific Hobby Associates 4920 Cypress Ave Carmi chael CA 95608 WIMPYll perhaps later version Im now working on Continued page 141 HOW EAS CAN BE Inrroduapq The XT-1 Transmitter Tray BJ ENTERPRISES 1100 Center Street Havre Montana 59501 Experience Thrill Today XT-1 Transmitter Tray set Gimbal Extenders $3 50 Postage & Handling TO ORDER CALL 1406265-48Z8 z Make Flying Breeze 44 ORDERS SHIPPED DAY RECEIVED WARBIRD VIDEOS VHS OR BETA OUR 23RD YEAR IAIITIR ANY TWO VIDEOS ONLY $7595 ANY S VIDEOS ONLY $19795 SPE6 IML RODRY OFFE ALL 6 VIDEOS ONLY $19995 WARBIRfl CHECKOUT VOL Flying P-40 Warhawk Cdrsar Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 July 1989 41 Intioductoty Qtter WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NF 1454 Programs100 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NF 1514 Programslb Mm Only $3995 CALL lULL FREE IT CARDS ey Order Check -Card Safety/Preston Continued page 20 types animals including birds Nobody can predict time hot spots 1989 season will since known hot spots close us would wise outdoor modelers know something about disease what to avoid what symptoms aware First avoidance cant avoid encounter ing ticks small over place pet owners know However ob serving few precautions can keep ing bitten and/or infected Actions will keep ticks off skin effective preventa tive measures Ticks dwell low shrubbery grass blades get onto shoes kles lower legs crawl upward Wear long pants cinched ankle tucked socks boots less access skin bet ter Check clothing frequently especially youve through field brush retriev ing downed airplane Wearing light-colored clothing makes easier spot little devils Repellents containing Deet can used effec tively clothing shoes pants socks di rect application high concentrations skin advised new product Permanone available may effective Applied clothing both repels kills ticks After day field check feet kles legs attached ticks tick nymphs about size pinhead feeding Any find should removed imme diately fine curved-tip tweezer Grasp tick close possible its mouth part sticking skin pull outward firmly jerking Alternate methods tick re moval alcohol heat vaseline etc popular past have shown less effective good removal fast removal less chance infection Immediately after removing tick disinfect bite rubbing alcohol betadine Unfortunately victims never see tick infects symptoms Lyme dis ease include various types rash may de velop weeks after infection fatigue stiff neck flu-like symptoms headache chills fever muscle aches arthritislike symptoms difficult disease victims recognize doctor diagnose pattern symp toms varies widely case case symptoms mimic other illnesses See doctor symptoms lead suspect have disease Early treatment effec tive Untreated disease progressive can become serious its advanced stages Jesse also sent copy article Lyme disease appeared Consumer Reports June 1988 pages 382-385 Another article disease can found March 1 1989 sue American Nurseryman feature article article states New York Medical College investigating connec tion between Lyme disease multiple sclerosis MS both have similar symptoms alert ticks have safe month Lark/Shepherd Continued page 37 Brads plane scimitar show prop carved piece 2 x 12-in white pine shelving material covered multi ple coats nitrate high-gloss finish painted same white used model Designing building beguiling air plane very satisfying enjoyable Though problems cropped up solving could frustrating times playing Daedelus definitely worth too can have quarter-scale model beauti ful home-builtand fly off work bench instead drawing board Whats wont need cargo van carry flying fieldor contest site En joy building flying unique little Lark Radio Technique/Myers Continued page 41 5 A-in disk Microsoft 9 Sector format usable IBM PCs compatibles Other formats may available need Ask WIMP will ASCII accompanied handbook will have some hints conver sions other computers files disk RC Slope Soaring/Triebes Continued page 47 instant perfection successful flight landing hinting promise things come knew what next couple hand tosses Continued page 144 July 1989 141