a loec ni ue George M Myers THE FUTURE IS COMING ture Coming RC systems obtain Radio Frequencies synthesis rather use special unique crystal definitely future Synthesized RF SRF will less expensive re liable Ask CBer wants go back using 80 plug-in crystals once wrote piece predicting arrival SRF systems August 1982 pg 28 As write still havent arrived think theyre late will Editor pretty soon See illustration will react first guy shows up field multi-channel SRF rig may have RC channels youre using right now know reason AMA Frequency Committee created AMA RC Channel Phase-In Plan sanctioning 17 channels 72 73 MHz band protect con tinuing use old wide-band RC fre quencies 7208 7216 7224 7232 7240 7296 7564 MHz FCC permits use through December 1987 will closed RC use AMA has stated its policy protect frequencies throughout useful lives AMA plan has worked very well judging results obtained 1983 flying season New radios have pro duced show good narrow-band per formance sanctioned channels have functioned mutual interference whether used new old re-tuned sys tems 17 sanctioned channels chosen precisely because wouldnt have mutual interference first reaction guy shows up SRF transmitter might tell him can use thing AMA-sanctioned channels would simplest course follow would save having rebuild brand-new frequency-control board would make friends old radios feel safe somewhat foolish notion con sider can sharing chan nel 300-watt Commercial Carrier Another way react would figure out radios AMA-sanctioned chan nels would adversely effected channels new SRF rig would take sort things out end guy might discover few new non interferring channels could call own Still another possibility would tell him Get thing out approach likely cause trouble Should argument end up court judge will asked decide whether citi zen obsolete equipment has right prevent another citizen modem equip ment using just because obsolete equipment might suffer interference Feds have already passed law says electronic device suffers future us right now picture reproduced Kraft Systems flyer announces new ChanneIMasterTM frequency synthesized system will available soon after Toledo Show Kraft KP7C Signature series transmitter converting Channel-Master System takes simple plug-in update youll also need KPR8FDS receiver takes setting rotary switches transmitter receiver access authorized 72 MHz channels George has about frequency-synthesized systems text 40 Model Aviation interference does meet current op erating requirements cant protected placing special operating restrictions con forming equipment law written cut off complaints owners old mis aligned TV sets seeing inter ference passing taxicabs local Ama teur Radio transmitters like probably law would applied think unlikely judge would decide issue way know just got new radio RC something annoyed thought someone might come along obsolete easily Thats going happen As said above AMA will pro tect status quo through 1987 far able After FCC will take away old channels everybody will have make change anyway shortsighted may complain have tried new RC channels will know better Some folks have suggested AMA should provide insurance peo ple operate sanctioned channels would divisive action would help break up AMA have have groups would benefit neither group would attempt penalize people doing what legal right haves might form own group get own insurance three years have game town cant see benefitting anyone organizers new group argument really isnt about transmit ters anyway its about receivers Ive telling couple years key future new receiver still September 1983 Radio Technique col umn reported KPR-8FD receiver tested flying KPR-8FD now have nothing fear SRF transmitters future no mat ter what channel theyre long arent channel youre using Other manufacturers have busily de signing own 1991 receivers expect see lot market very soon hopefully advance SRF transmitters unsanctioned RC chan nels advice Buy new receivers may use SRF too reasons economy manufacturers shudder cost maintaining full stock crystal pairs support present situation SRF type crys tal needs stocked An electronic chip converts its frequency other needed same crystal same chip can used both transmitters receivers may have noticed low cur rent crop RC system prices have fallen causes chief among almost universal switch use NE5044 NE5045 chips NE5044 does almost whole activity changing control stick positions RF modu lation transmitter NE5045 does almost everything associated signal de coding receiver resulting parts count has cut about three saves moneyyour money Use SRF should have similar effect Does mean should get rid KPR-8FD crystal controlled Ac tually has two crystals operate channel think fly channel time theres no way crystal-controlled receiver can accidently get nudged onto another channel flight know Murphys Law Anything can go wrong will SRF systems will come frequency agility arrive field survey situation pick RC channel no else using business someone else comes let him pick another channel will enough go around should dramatic reduction accidental shoot-downs Youre race no matrix problems can fly full card heat Sure may some switching thats nothing new Back two-crystal radios newest thing around bought times switch band flipped second flight because some came field channel So what Id switch fly Lets say something producing inter ference field flip switch get away Ill leave list rest advantages must pay attention whats going SRF system permits change transmitter frequencies transmitting well have situation friend Ralph Weiss calls Dial-A-Crash Ive urged manufacturers adopt scheme requires transmitter turned OFF during change Certainly ample evidence need person flies man-carrying airplanes con stantly exposed warnings about careless channel switching transponder unnecessary alarms ATC year could easily have avoided careful design work first transponder should look carefully SRF system appears voice displeasure find chan nel switching improperly implemented Dont buy what dont like should obvious What about frequency flags SRF transmitters has suggested SRF transmitter should wear big red warn ing flag some say should size tablecloth Perhaps should next few years What think No matter its done SRF trans mitter will need carry 15 streamers box some kind holder tenna owner will have scrupulous flag management avoid unnecessary confusion Its no big thing ac tually Ive box streamers like transmitter over year rather like improves grip transmitter Flag changing minor chore future coming think youll like George M Myers 70 Froelich Farm Rd Hicksville NY 11801 SAFE FLYING ISNO ACCIDENT inENmE he hinge allows control T removal tools DtinnInLi surface PATENTlost pins problems painting repair PENDING ion storage etc Scale Appearance Insertimple Assembly 3 SIZES fKNo Slots14-6- ins 1Q April 1984 41 Rotate
Edition: Model Aviation - 1984/04
Page Numbers: 40, 41
Edition: Model Aviation - 1984/04
Page Numbers: 40, 41
a loec ni ue George M Myers THE FUTURE IS COMING ture Coming RC systems obtain Radio Frequencies synthesis rather use special unique crystal definitely future Synthesized RF SRF will less expensive re liable Ask CBer wants go back using 80 plug-in crystals once wrote piece predicting arrival SRF systems August 1982 pg 28 As write still havent arrived think theyre late will Editor pretty soon See illustration will react first guy shows up field multi-channel SRF rig may have RC channels youre using right now know reason AMA Frequency Committee created AMA RC Channel Phase-In Plan sanctioning 17 channels 72 73 MHz band protect con tinuing use old wide-band RC fre quencies 7208 7216 7224 7232 7240 7296 7564 MHz FCC permits use through December 1987 will closed RC use AMA has stated its policy protect frequencies throughout useful lives AMA plan has worked very well judging results obtained 1983 flying season New radios have pro duced show good narrow-band per formance sanctioned channels have functioned mutual interference whether used new old re-tuned sys tems 17 sanctioned channels chosen precisely because wouldnt have mutual interference first reaction guy shows up SRF transmitter might tell him can use thing AMA-sanctioned channels would simplest course follow would save having rebuild brand-new frequency-control board would make friends old radios feel safe somewhat foolish notion con sider can sharing chan nel 300-watt Commercial Carrier Another way react would figure out radios AMA-sanctioned chan nels would adversely effected channels new SRF rig would take sort things out end guy might discover few new non interferring channels could call own Still another possibility would tell him Get thing out approach likely cause trouble Should argument end up court judge will asked decide whether citi zen obsolete equipment has right prevent another citizen modem equip ment using just because obsolete equipment might suffer interference Feds have already passed law says electronic device suffers future us right now picture reproduced Kraft Systems flyer announces new ChanneIMasterTM frequency synthesized system will available soon after Toledo Show Kraft KP7C Signature series transmitter converting Channel-Master System takes simple plug-in update youll also need KPR8FDS receiver takes setting rotary switches transmitter receiver access authorized 72 MHz channels George has about frequency-synthesized systems text 40 Model Aviation interference does meet current op erating requirements cant protected placing special operating restrictions con forming equipment law written cut off complaints owners old mis aligned TV sets seeing inter ference passing taxicabs local Ama teur Radio transmitters like probably law would applied think unlikely judge would decide issue way know just got new radio RC something annoyed thought someone might come along obsolete easily Thats going happen As said above AMA will pro tect status quo through 1987 far able After FCC will take away old channels everybody will have make change anyway shortsighted may complain have tried new RC channels will know better Some folks have suggested AMA should provide insurance peo ple operate sanctioned channels would divisive action would help break up AMA have have groups would benefit neither group would attempt penalize people doing what legal right haves might form own group get own insurance three years have game town cant see benefitting anyone organizers new group argument really isnt about transmit ters anyway its about receivers Ive telling couple years key future new receiver still September 1983 Radio Technique col umn reported KPR-8FD receiver tested flying KPR-8FD now have nothing fear SRF transmitters future no mat ter what channel theyre long arent channel youre using Other manufacturers have busily de signing own 1991 receivers expect see lot market very soon hopefully advance SRF transmitters unsanctioned RC chan nels advice Buy new receivers may use SRF too reasons economy manufacturers shudder cost maintaining full stock crystal pairs support present situation SRF type crys tal needs stocked An electronic chip converts its frequency other needed same crystal same chip can used both transmitters receivers may have noticed low cur rent crop RC system prices have fallen causes chief among almost universal switch use NE5044 NE5045 chips NE5044 does almost whole activity changing control stick positions RF modu lation transmitter NE5045 does almost everything associated signal de coding receiver resulting parts count has cut about three saves moneyyour money Use SRF should have similar effect Does mean should get rid KPR-8FD crystal controlled Ac tually has two crystals operate channel think fly channel time theres no way crystal-controlled receiver can accidently get nudged onto another channel flight know Murphys Law Anything can go wrong will SRF systems will come frequency agility arrive field survey situation pick RC channel no else using business someone else comes let him pick another channel will enough go around should dramatic reduction accidental shoot-downs Youre race no matrix problems can fly full card heat Sure may some switching thats nothing new Back two-crystal radios newest thing around bought times switch band flipped second flight because some came field channel So what Id switch fly Lets say something producing inter ference field flip switch get away Ill leave list rest advantages must pay attention whats going SRF system permits change transmitter frequencies transmitting well have situation friend Ralph Weiss calls Dial-A-Crash Ive urged manufacturers adopt scheme requires transmitter turned OFF during change Certainly ample evidence need person flies man-carrying airplanes con stantly exposed warnings about careless channel switching transponder unnecessary alarms ATC year could easily have avoided careful design work first transponder should look carefully SRF system appears voice displeasure find chan nel switching improperly implemented Dont buy what dont like should obvious What about frequency flags SRF transmitters has suggested SRF transmitter should wear big red warn ing flag some say should size tablecloth Perhaps should next few years What think No matter its done SRF trans mitter will need carry 15 streamers box some kind holder tenna owner will have scrupulous flag management avoid unnecessary confusion Its no big thing ac tually Ive box streamers like transmitter over year rather like improves grip transmitter Flag changing minor chore future coming think youll like George M Myers 70 Froelich Farm Rd Hicksville NY 11801 SAFE FLYING ISNO ACCIDENT inENmE he hinge allows control T removal tools DtinnInLi surface PATENTlost pins problems painting repair PENDING ion storage etc Scale Appearance Insertimple Assembly 3 SIZES fKNo Slots14-6- ins 1Q April 1984 41 Rotate
