Thanks, Markus. I'm seeing a couple of weak lines near Roger's signal. What frequency do you think they are on? See screenshot. 73, Dave G3WCB IO91RM Loran-C Anthorn (GRI 6731): 137700.1931 137692.76
Sorry Dave, I think the line frequencies I had posted were not too helpful in this context... Anthorn is single rated on GRI 6731, so all spectral lines are multiples of 100 kHz / 6731 / 2. The close