PSK31: 100 Hz filter (not dsp unless the agc is generated before) PSK250: 300 Hz filter. (see above). A K3 can do it all with its superior dsp.
Rein PA0R > -----Ursprüngliche Nachricht----- > Von: "Andy obrien" <[email protected]> > Gesendet: 29.05.09 02:09:34 > An: digitalradio <[email protected]> > Betreff: [digitalradio] Really beating the AGC issue with PSK ? > From time to time we have had discussions here about the problem with > PSK (and other modes) when a strong stations appears to grab the > waterfall and wipe out all the other stations within a 2-3 Khz range. > Because of this phenomenon, when I purchased a new rig, I looked for > one that could have AGC totally off (when needed) and one that can > employ narrow DSP filtering. I must say that I have not really solved > this issue . I can see a marginal difference with AGC turned off but > strong signals still essentially desensitize other stations in the > waterfall. The DSP features do better and I can get rid of the > phenomena by turning to a narrow filter. However this does not help > if the offending station is with 300 - 500 Hz ( a lot when dealing > with narrow digital modes). > > Does anyone have any advice on how to once and for all solve this > issue? My rig is a TS2000 > > Andy K3UK > > > ------------------------------------ > > Announce your digital presence via our Interactive Sked Pages at > http://www.obriensweb.com/sked > > Recommended digital mode software: Winwarbler, FLDIGI, DM780, or Multipsk > Logging Software: DXKeeper or Ham Radio Deluxe. > > > > Yahoo! Groups Links > > > > -- http://pa0r.blogspirit.com ------------------------------------ Announce your digital presence via our Interactive Sked Pages at http://www.obriensweb.com/sked Recommended digital mode software: Winwarbler, FLDIGI, DM780, or Multipsk Logging Software: DXKeeper or Ham Radio Deluxe. Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/digitalradio/join (Yahoo! ID required) <*> To change settings via email: mailto:[email protected] mailto:[email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
