There are 9 active NDBs in Bulgaria. During the CLE299 event I was able to receive 7 of them. Mr. Kostadinov, Deputy Director Operational Systems was so kind to sent me an email confirming my reception of:
Despite the distance, which is between 1719 and 1958 km from my home QTH, I receive these beacons on an almost daily basis. But on the other hand I did not yet receive the remaining two: BD-297 and BU-321…
Two weeks after sending my report I received an email with a QSL letter for Varna Radio, call sign LZW, broadcasting a DSC message on 16804.5 kHz. I sent my report to email@example.com .
It is always interesting to see how coastal radio and GMDSS (Global Maritime Distress and Safety System) monitoring is organized. From what I’ve seen it is usually an integrated part of the Coast Guard, which is either integrated in a Department of Transport or in the National Navy. In the case of Varna Radio however the station is embedded in the National Port Authority: Bulgarian Ports Infrastructure Co.
The signature of the QSL was attached in a separate picture: