Hi Alan & LF, I posed the query with Dave a couple of days ago because I could see the fuzzy lines & they were also visible on Dave's grab. The lines are at approx 137776.5 Hz & 1377750.0 Hz. I can s
Hi Dave, It was too noisy to look for them last night. There is nothing I can see there in daylight (well almost ...1525z) on a 30 sec slow Argo screen. There is a lot of "snow" on it due to 50Hz dim
A bit more on the KL7 ghosts. In Alaska DCF39 didnt have to be strong at all for fuzzies to appear - from memory (also fuzzy) I started to see products on argo dot 60 at detectable CW levels from DCF
Markus Interesting. The frequencies are right. I could understand the Rugby one because that's loud here but neither DCF39 nor Lessay are loud enough to intermod locally so where does that product ge
Dear Dave and LF, this seems to be an intermodulation between DCF39 (abt 0.1Hz wide due to the data telegrams every 10s) and Loran C. The lines in you screenshot are 138830.03 - 142 * 50000 / 6731 =
Dear all Myself and Gary G4WGT both see these fuzzy lines on Argo. I seem to remember some discussion of their origin before but can't remember whether there was a definite answer. The come in at dus
