listen to a morse code identification
of BSF Taiwan, followed
by booming-in MSF of Teddington, Great Britain (rb, 1984)
another short ID from the 1980's (Willi Passmann)
a letter from the collection
of Lars Lundström
this letter proves, that they were checking reports accurately
(Wilfried Westrupp, 1971)
from 1974, a verification letter of the shortwave timesignal
(rb)
a QSL-card, received by Tom Rösner in 1980
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Callsigns:
MSF
Frequencies Morse Telegraphy:
60
2500
5000
10000