An item reported that in the Bulgarian harbour Sveti Konstantin (location 43-14 North and 28-00 East; north east Black Sea Coast) 4 four small similar warships were lying, two of which the name was known, the other two called Khrabri and Durski. The armament consisted of 2 guns (one forward and one aft). There were also pennants visible. Around 100 meters south of the harbour was a radio station built on a hill 25 meters above the sea level. It consisted of 5or 6 small masonry buildings and some wood-built sheds. The inner space between the two trellis type antennas was around 25-30 metres. Each antenna had e a height of around 20-25 metres and consisted of a triangular base and a pyramidal shaped body.
Source
The report was published on www.archive.org, document number CIA-RPD80-00810A000500340010-8.
Source
The report was published on www.archive.org, document number CIA-RPD80-00810A000500340010-8.