NDB Kobnhavn-Roskilde *RK :
a recording from 2008 (rb) detailed letter from the collection of Lars Lundström (2004) ------------------------------------------------------------ Callsigns: RK Frequencies Morse Telegraphy: 368
a recording from 2008 (rb)
detailed letter from the collection of Lars Lundström (2004)
------------------------------------------------------------
Callsigns: RK
Frequencies Morse Telegraphy: 368