NDB Oslo-Bergerud *BGU :
no recording available
this 5-pack-QSL from 2004 is from Rudi Renkwitz' collection: BGU-316, BN-345, BRS-371, BVK-362, and DA-404
Norwegian civil aviation offers 6 veries at once - and Rudi Renkwitz used it. Here for AL-398, BGU-316, BL-374, BTA-336, HE-324, and RS-336 (2009)
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Callsigns:
BGU
Frequencies Morse Telegraphy:
316.