> >From the operating you plan, and having operated many different K-3s, for >SSB & CW I would suggest: > >1. The standard 2.7 KHz filter for occasional SSB. As others have >mentioned, the roofing filter is to protect the DSP. >2. A 400 Hz, 8-pole (or 500 Hz-8 pole) filter for general CW operation (I find >anything narrower too restricting for general operating "band awareness") >3. If you are inclined to contest or dig really deep for rare DX, add a 200 Hz >or 250 Hz filter, also. (Crank it in--only when needed.) > >I'll defer to others about the better bandwidths for data modes. > >73 de K3YD
Hello Ivan, and welcome to the K3! Knowing your interests, I'd agree with Blair above, and with Joe before that. Coming to the K3 from the FT-1000MP, I already had a particular liking for the Inrad 400Hz filter for general-purpose CW and RTTY because of its comfortable bandwidth and nicely shaped passband. The Elecraft 200Hz 5-pole filter is useful for really tight spots, and you can hear the difference with strong signals very close in (some people may disagree... but they probably aren't in Europe :-) For casual SSB the stock 2.7kHz 5-pole filter performs quite well, using SHIFT and WIDTH to control most of the QRM. However, I also happened to have a 1.8kHz Inrad 8-pole filter from the 1000MP which needed only a change of interface board to make it compatible with the K3, and I find that very good for SSB contesting. 73 from Ian GM3SEK ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
