Andy, Normally there is a gain of 5 dB on minimum S/N between one mode and another (gain of 5 dB, simply due to a lower speed). Have you checked your sound card calibration?
73 Patrick ----- Original Message ----- From: "Andrew O'Brien" <k3uka...@gmail.com> To: <digitalradio@yahoogroups.com> Sent: Saturday, April 04, 2009 6:40 PM Subject: [digitalradio] ALE141 v ALE 400 scan detect outcomes > My initial tests seem to show that weak signals in ALE141 via PC-ALE do > better (decode) than ALE400 weak signals in Multipsk. It is not a > scientific comparison but just an observation, not a lot of ALE 400 > soundings to get a better comparison . > > If I remember correctly, last year there reports that ALE141 decoded > easier via Multipsk than via PC-ALE . I may do some comparisons today. > > Andy K3UK > > > > ------------------------------------ > > Announce your digital presence via our Interactive Sked Page at > http://www.obriensweb.com/sked > > > Recommended software: Winwarbler, FLDIGI, DM780, or Multipsk > > > > Yahoo! Groups Links > > > > >
