Dear Valerio, LF Group, I copied "Wolf" mode signals from IK5ZPV again last night. No signals were received before 1930 utc, but around that time I saw a strong carrier on 137.5kHz on the spectrogra
Dear Valerio, LF Group, I copied "Wolf" mode signals from IK5ZPV again last night. No signals were received before 1930 utc, but around that time I saw a strong carrier on 137.5kHz on the spectrogram