Since I got my ticket in 1957 DSB AM was defined as 6KC B/W. Title 47, Part 2.202 does define the bandwidth for DSB AM as 6KHz.
Bob Macklin K5MYJ Seattle, Wa. "Real Radios Glow In The Dark" ----- Original Message ----- From: "Paul Christensen" <w...@arrl.net> To: "Discussion of AM Radio in the Amateur Service" <amradio@mailman.qth.net> Sent: Wednesday, March 10, 2010 7:47 PM Subject: Re: [AMRadio] AM IARU Region 2 Bandplan >> "No place in Part 97 is the bandwidth for eater SSB or AM defined." > > Section 97.307(a) is the closest regulation we have pertaining occupied > bandwidth in the American amateur service. However, some folks have > argued > that Sections 2.201 and 2.202 apply to the Part 97 service since Section > 97.307(a) states: > > "No amateur station transmission shall occupy more bandwidth than > necessary > for the information rate and emission type being transmitted, in > accordance > with good amateur practice." > > Then, Section 2.202 defines "necessary bandwidth" and "occupied bandwidth" > based on class of service. > > http://edocket.access.gpo.gov/cfr_2008/octqtr/47cfr2.201.htm > > http://edocket.access.gpo.gov/cfr_2008/octqtr/47cfr2.202.htm > > Reading Sections 2.201-2.202 together, the FCC has already incorporated > much > of the ITU's bandwidth and emission designators from Appendix 1 of its > bandwidth recommendations. > > http://life.itu.ch/radioclub/rr/ap01.htm > > To the best of my knowledge, the FCC has never formally relied upon > Sections > 2.201-2.202 when addressing bandwidth concerns in the Part 97 service. > > Paul, W9AC > > ______________________________________________________________ > 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
