Hello Joe, No problem about the time - I will let the PC run overnight, taking periodic snapshots of the spectrogram. Just checked the frequency (using one of the few remaining MF broadcasters here,
Aah... a "test carrier signal" gets through (hope this image will get through the reflector as well) Time in UTC. As previously measured, by rx is about 1 Hz off Joe's frequency (650 Hz "audio" = 477
Whow.. "almost 10 dB over noise" here in JO42... :) .. but that's in an equivalent receiver bandwidth of 0.12 Hertz .. no chance for transatlantic conventional CW this time. (The red diamond