Bob wrote: > All that is need for communications grade AM is 300Hz to 3KHz audio. Just > use a 6db/octave rolloff at 3KHz.
True, but DSB AM rig modulated with 300 to 3k audio certainly won't fit into a 2700 Hz segment of the band -that's the problem. Steve WD8DAS sbjohns...@aol.com http://www.wd8das.net/ -------------------------------------------------------------------- Radio is your best entertainment value. -------------------------------------------------------------------- -----Original Message----- From: Larry Szendrei <n...@securespeed.us> To: Discussion of AM Radio in the Amateur Service <amradio@mailman.qth.net> Sent: Mon, Mar 8, 2010 2:53 pm Subject: Re: [AMRadio] AM IARU Region 2 Bandplan Bob Macklin wrote: > All that is need for communications grade AM is 300Hz to 3KHz audio. Just > use a 6db/octave rolloff at 3KHz. > > There is not much 3KHz or higher energy in the human voice.And we are not > supposed to be playing music. > > B All true, Bob. But many of us enjoy listening to, and transmitting, full-fidelity audio. The human voice DOES sound better (to our ears, at least) when we do this. And if there is room on the band when we choose to operate, why the heck shouldn't we? 73, -Larry/NE1S ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/amradio@mailman.qth.net/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: AMRadio@mailman.qth.net To unsubscribe, send an email to amradio-requ...@mailman.qth.net with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Our Main Website: http://www.amfone.net AMRadio mailing list Searchable Archives: http://www.mail-archive.com/amradio@mailman.qth.net/ List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Post: AMRadio@mailman.qth.net To unsubscribe, send an email to amradio-requ...@mailman.qth.net with the word unsubscribe in the message body. This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
