Moe, The 1.5 kHz roofing filter will still be used for very small splits (typical of a DX station requesting "up 1" or "up 2" in CW mode pileups). Beyond that the roofing filters are turned off.
I'll post a detailed explanation of the filter bandwidths when I get a chance. Wayne On Mar 9, 2012, at 4:31 AM, AB8XA wrote: > I read the KX3 filter option has 1,000 Hz and 3,000 Hz filters that > give a choice of 500 or 1,500 Hz filtering in CW and 3,000 Hz in > SSB. An explanation of how that happens would help. > > 3,000 Hz filtering is not available in CW and 1,500 Hz is not > available in SSB, right? > > It seems to me one has to buy the KX3 filter option just to have the > same strong adjacent signal rejection the "normal" 3,000 Hz (2.7 kHz > 5-pole/2.8 kHz 8-pole) SSB bandwidth the base model K3 offers. > > And if I understand the end result correctly, there is no strong > adjacent signal rejection with KX3 dual-watch on like there is with > the K3 with narrow filters on both the main and sub receivers. In > most cases, the bandwidth will be 15 kHz (CW split > 1,500 Hz). > > Is that correct? > > Thanks, > -- > Moe - AB8XA > Elecraft KX1 #2484, Fists #13020, SKCC #7460, > FPQRP #2617, NAQCC #5352, QRP-ARCI #14326 > > > > > On Mar 8, 2012, at 11:14 PM, Wayne Burdick wrote: > >> There's one nice thing about late hardware: the firmware gets better. >> >> Lyle and I just added Dual Watch to the KX3, which works amazingly >> well. At present the VFOs can be separated by up to 15 kHz, but in >> theory we can go to 30 kHz with the present DSP implementation. >> >> Now I'm looking for my first DX split QSO with dual watch. What's the >> best DX spotting web site? >> >> Wayne, >> N6KR >> >> __._,_.___ >> Reply to sender | Reply to group | Reply via web post | Start a New >> Topic >> Messages in this topic (1) >> RECENT ACTIVITY: New Members 24 New Files 1 >> Visit Your Group >> Switch to: Text-Only, Daily Digest • Unsubscribe • Terms of Use >> . >> >> __,_._,___ > > ______________________________________________________________ > 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 ______________________________________________________________ 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
