It would be interesting to know the unit. Since the PRMG 5 is a mobile unit.
The other thing is, the PAR 10 is put in different types of mobile units.
210thars picture shows mobile unit PAR-10 with (NDB) P200
medium wave beacon transmitter. Different types of mobile units have been used for decades, in all countries. The “3-prong” refers to
3-element Marker antenna pair, mounted on the side of the mobile unit. Kung (kunga) in English refers to
"hard-top" (it originates from military!). The discone antenna at the vagon roof can also be for data link from the mobile unit.
NDB mobile transmitter unit can also include Radio station P-583 B1 for retransmission of ATC- information to the aircraft, it was common in older Soviet systems (ATC talking also on NDB freq via ADF). Also as noted a PRMG marker transmitter (VHF) can be included.
Russian AIP GEN 3.4.1.gives emergency frequencies as 121.5, 129.0 MHz & 725 kHz (LOM), 355 kHz (LMM).
ATP and other pilots almost everywhere are no longer so interested in ADF and NDB type beacons but in this 101 case they no doubt should have been very interested for their safety.
PRMG 5 and other
PRMG types is a different story with its course and GP antennas located elsewhere around the airport.
NVA-Flieger site gives a good summary about the complex system
(SP-1) having been used in Soviet/Russia, DDR etc. As Arrakis also above mentions the PRMG system apparently was removed from the XUBS airbase when the Il-76 unit was disbanded. What about RSBN?
But the 3-element Marker antennas (they go in pairs)
shown pointing up in 210thars picture are actually a part of PRMG landing system.
210thars : Signal at F=
800 Hz. Inner marker = "near БПРМ" beacon
ident audio "O" (on 640 kHz) from ADF