no recordings available
no pictures of QSLs or other info available
this is the official site
from the 'Arctic and Antarctic Reasearch Institute' of the Russian
Federation
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Callsigns:
UDY
Frequencies Morse Telegraphy:
7665
12843
13385
Frequencies Radioteletype:
7485
10100
10140
Systems used:
50 Bd
75 Bd