John, I think it is a combination of mother board and soundcard .. ran a test tonight sound card datong tune tone pilot carrier pilot and the datong trace fine .. sound card had glitches .. was also
Alberto, I think the time is okay on G0NBD's PC, as the periods that do decode show DT of 0.2 seconds, so no great problem I think. The decoding problems seem to be when the S/N rises above about -6d
Just started WSPR again, and see a nice bright trace at approx 503.965 in the 20:40 slot, but again no decode. I see no-one else reported a successful decode on WSPRnet at that time either. Looks lik