Birdlip Aero :

 

no recordings available

 

this letter from the collection of Maarten van Delft confirms a reception made 1967 - the 2 pictures were made at a visit in 1971
Lars Lundström received this letter in 1972, pointing to a joint civil/military use

 

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Callsigns:
MVB

 

Frequencies Voice:
5108.5
6700
9013

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