a recording from 2020, using
a norwegian online receiver (rb)
fine QSL-card, sent out in 2002 to Rudolf Renkwitz
------------------------------------------------------------
Callsigns:
ERK
Frequencies Morse Telegraphy:
383
NDB Erken *ERK :
fine QSL-card, sent out in 2002 to Rudolf Renkwitz
------------------------------------------------------------
Callsigns:
ERK
Frequencies Morse Telegraphy:
383