Tuesday, March 31, 2009

The real Bolshoi ballet of antennas

Moscow's secret antennasI am absolutely fascinated by Russians' obsession with radio snooping. That mean that Russia must be bristling with antennas.
Kitty corner from the Leningrad (Saint Petersburg) Metro's Line 3 terminal station Primorskaya, the there is an office building with this Swan Lake of antennas. The location is great - it looks out over the Gulf of Finland

Moscow's triangulation antennas
On Veshnyakovskaya st., bldg. 9, section 2 there is this farm.
You could understand the location of Leningrad tracking antennas. But what foreign traffic :-) is there to monitor in the heartland, in Moscow? Maybe Russians know better - in Butovo they do have one of many tracking stations for monitoring foreign radars(???).
The wind speed-looking device is not for measuring wind speed . The real name for it is HE314A1.

detail of a Russian triangulation antenna
It is BKAS (БКАС), active in the 150-3700 MHz range, vertical polarization.
My fdriends have also reported that the same type of natenna farm is found on the roof of the building at Bolshaya Olenya Street, 15A (55°48'30"N 37°41'26"E), which is the Radio Tracking Center co-located with the Central Design Institute of Communications No. 17, a. k. a. the military unit (В/ч) 25801.

This is most likely a R&S Doppler triangulation antenna, seen on the roof the both buildings is R&S PA055, that has 16 vertical concentric dipoles, and covers the 20-1000 Mhz range.

The second photo also shows this skirt-like antenna between the parabola and the umbrella-shaped antennas. The famous R&S HK014, for receiving omnidirectionally anything in the 80-1600 Mhz range:

Russian sigint antenna

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