during a visit in nearby
Poland, the signal of 'KR' was quite clear, ...
...but you still see some
influence of the 50Hz power line on the signal (both: rb, 2017)
in 2015, Patrick Robic got
his PPC returned, with full details for *KR-840
------------------------------------------------------------
Callsigns:
FG
INA
KR
Frequencies Morse Telegraphy:
840