NDB Bremen *HIG :

 

a recording of *HIG-318 from 2012, tone modulation 1020 Hz, 3.825 secs 'HIG', 1.388 secs break (rb)
still *HIG-318, from 2020, but the format completely changed: 400 Hz modulation, 3.149 secs 'HIG', 6.892 secs break (rb)

 

this fine QSL card of *BMN-346.5 is from the files of Rudy van Dalen (1989)
a different card as above, confirming reception and the change from *BMN-346.5 to *HIG-346.5 (Dieter Pohlmann, 2001)
the antenna as seen by Klaus Betke
new nice QSL card of *HIG-318 from the collection of Patrick Robic (2020)

 

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Callsigns:
BMN
DLE
HIG

 

Frequencies Morse Telegraphy:
318
346.5