a recording from 2004 (rb)
see here the antenna within the airport area (Michael Oexner,
2010)
------------------------------------------------------------
Callsigns:
SPM
Frequencies Morse Telegraphy:
350
NDB Speyer *SPM :
see here the antenna within the airport area (Michael Oexner, 2010)
------------------------------------------------------------
Callsigns:
SPM
Frequencies Morse Telegraphy:
350