Shipboard radio transmitter medium and short waves Ersh-R


Shipboard radio transmitter “Ersh-R” installed in ships of the fleet of the fishing industry in the 50s of the last century. “Ersh-R” was used for telegraphy and radiotelephone Navy ships with each other and with the coastal radio stations.

HF radio receiver R-311 “Omega”


HF radio receiver R-311 “Omega”- Soviet shortwave radio for military use with self-powered, manufactured from 1954 until the mid-1970s. One of the most common tube connected receivers in the Armed Forces of the USSR. Intended for range 1 to 15 MHz in five scales. Receives AM, CW.

R-807 “Berkut” aircraft radio transmitter.


Modulation: AM, CW.
Frequency range: 200 – 1500 kHz, 2 – 18.1 MHz.
27V DC line supply or inverter type U-600.
10 fix frequencies and cable remote control possibility.
Prototype – USA company COLLINS transmitter AN/ART-13.



HF Radio receiver Krot, developed in 1947 based on the ideas of designs captured German radio Koeln E 52b, Telefunken T9K39 etc. Produced from 1948 to 1952 at the Kharkov radio factory number 158. HF Radio receiver Krot-M, was produced from 1953 to 1960.

Adjustment range frequencies. 1.5 – 24 MHz.


Radio receiver RPS

Radio receiver RPS
Radio receiver RPS

Radio receiver RPS (Radio Receiver Aircraft) was placed on transport aviation aircraft. It used also for terrestrial communication systems.

Radio receiver RPS
Radio receiver RPS

Band of received frequency: 143-600 kHz, 2-24 MHz.
The sensitivity of the HF: AM 4mkV, SW 1.5 uV.
Bandwidth: 13.5 kHz, 11 kHz, 5 kHz, 3 kHz, 0.5 kHz.
The receiver is powered by a mains voltage of 115 VAC at a frequency of 400 Hz.
Power consumption 70 watts.
Dimensions: 508 x 327 x 303 mm.
Weight with rectifier: 26.5 kg.
Receiver is assembled on superheterodyne circuit 11 lamps.