In the ideal case of course you have just receiver noise as your background noise level. So you adjust your sound card input to give you the magic 0dB on that. During the night the static crash level
Hi Graham, LF, Well here looking at WSPR with Spectrum Lab running the other week I came to the conclusion that: 1. Adjusting the input level to the PC such that WSPR indicates a Noise level of 0dB c