You might find this web page very informative: http://www.nu9n.com/essb.html
About bandwidth, Part 97 does not specify any specific maximum bandwidth. That's something causing a lot of debate right now for all modes. In practice, emissions approaching 6 kHz are normal in the voice segments of the band for those using AM rigs. Ron AC7AC -----Original Message----- On Tue, 2007-05-22 at 09:16 -0700, wayne burdick wrote: > Actually you could do ESSB at even wider bandwidths, say up to 4.5 or > even 5 kHz, but the exact specs are TBD. Is Wide SSB really necessary and is it even legal? I for one would like to see SSB limited to no more than 2.7Khz in firmware perhaps also with a low cut at around 150Hz 73 Brendan _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

