DL2IPU's blog

Thanks to Julian for his "Getting Started" guide http://www.g4ilo.com/wspr.html
With correct frequency and synchronized PC clock, WSPR gets decoded from the first try!

For me it was helpful to start the old good DigiPan additionaly to WSPR (basically, any waterfal display program would suit) to see those whistles around 10.140.200, starting every even minute and two minutes long.