Hi to the gang. I also noticed this uneven AM response on the 160 meter AM net this morning on my K3 457.
73 Ken W0CZ w0cz at i29 dot net Sent from my iPad > On Mar 22, 2015, at 2:26 PM, GRANT YOUNGMAN <[email protected]> wrote: > > One of the things I’ve observed in sync AM receive, is the difference in AF > response between LSB and USB (selected by the shift control). > > The LSB side has significantly better bass response than the USB side. > Likewise, USB has more highs and very little low end. It’s much like the > response that occurs when the LSB/USB oscillator carrier frequencies are > offset from their correct position relative to filter edges. Virtually > anyone who has ever owned a KWM-2 or 75S-3x would understand what I’m talking > about. The difference is apparent whether the sync detector is locked on a > carrier or not. > > Wonder if anyone can comment on this (Eric?). It occurs with either the > 13KHZ or 6KHz filters. > > Grant NQ5T > > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]

