Akademia Nauk Warszawa (3ZB201/SPM737) :

 

no recordings available

see this QSL for the circuit to Hornsund Base, Spitzbergen (Maarten van Delft, 1988)
here is a QSL from Maarten van Delft for the connection to Arctowski Base, Antarctica (1989)
Lars Lundström received this letter in 1989, for the circuit to Hornsund Base, Spitzbergen

 

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Callsigns:
3ZB201
SPM737

 

Frequencies Voice:
7822
10472
13473
15722
19464
22985

 

Frequencies Morse Telegraphy:
10472

 

Frequencies Radioteletype:
15772
17472
18125
19848
22832
23120

 

Systems used:
50 Bd