NDB Stavanger-Sola-Rennesoy *RSY :
a recording made with the help of a 'Kiwi' in the region (rb, 2020)
a very short QSL - but it works! (Rudy van Dalen, 1983)
...best was, that an actual flight chart was included, showing the actual location (Rudy van Dalen, 1983)
see here the multi-QSL version from the collection of Rudi Renkwitz (2005), verifying RS-336, RSY-378, SAD-348, SF-283, SLB-414, and SOK-387
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Callsigns:
ESY
RSY
Frequencies Morse Telegraphy:
378
398.