a recording from 2016, made by a
swedish online receiver (rb)
here is SAV-351
from Savonlinna, Finland, and OV-351 from Salthamn-Visby,
Sweden, via an online receiver from Finland (rb, 2017)
nice QSL letter (Patrick Robic, 1999)
here a letter and PPC from
Dieter Pohlmann (2007)
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Callsigns:
OV
Frequencies Morse Telegraphy:
351