Am 2014-01-03 18:41, schrieb Bob Raide:
I noticed on Hartmut Wolff's grabber similar fading as you have demonstrated. One of
the most noticed characteristics of the 137 QRSS segment is that compared to the 74.322
segment, the 137.777 + and - frequencies are very "dirty" with multiple Loran
artifacts, I presume are from Eastern Europe and Russia?
the main reason for the multiple Loran artifacts is DCF39. Most the time
DCF39 is looking like here:
But sometimes like here:
In the screenshot from my grabber you posted here in the list, the
activity from DCF39 is well visible about 03:15-04:45.