Hi Chris, interesting that you see that line on 136320.0 Hz. It has been in my (old) Eu spectrogram all the years, reliable and precisely on frequency. I have often wondered what the source might be
Hi Chris, interesting that you see that line on 136320.0 Hz. It has been in my (old) Eu spectrogram all the years, reliable and precisely on frequency. I have often wondered what the source might be