listen to their signal, as recorded in 2015 (rb)
no pictures of QSLs or other info available
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Callsigns:
NPR
Frequencies Morse Telegraphy:
488
.
NDB Tomaszow-Mazowiecki 'Porter' *NPR :
no pictures of QSLs or other info available
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Callsigns:
NPR
Frequencies Morse Telegraphy:
488.