NDB Trondheim-Vaernes *HG :
in this recording you'll hear *BJO-316 (Bear Island, Bjornoya) and *HG-317 (Trondheim) simultaneously (Lars Lundström, 2014)
this PPC dates from 2003 (Lars Lundström), showing some unusual precise frequency details ;-)
one more multi-QSL from Rudi Renkwitz, for HAA-371, HD-414, HG-317, HNS-384, KN-299, and LL-342 (2006)
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Callsigns:
HG
TD
Frequencies Morse Telegraphy:
317.