The rational is that if two stations transmit over each other on AM they can both be heard either as separate signals or as a beat note. Whereas, with FM due to the capture effect only the stronger station would be heard.
73 Stewart G3RXQ ex PPL On Tue, 16 Jul 2013 19:30:36 +0000, Ken G Kopp wrote: > VHF/UHF aircraft radio has always been AM, and is likely / certain > continue to be. Why? It's used world wide and discussions about > changing it to FM have continued for years. The conclusion seems > to be that there is simply too much usage worldwide and little reason > to make the change. The cost to change to another mode would be > horrendous! Of course manufacturers would -love- to see the change. > > There is usage of SSB on HF primarily ... but it's still "AM". (;-) > > 73! > > Ken - K0PP > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
