MF automated NDB transmitter «Parsek-M»

MF automated NDB transmitter «Parsek-M»

MF automated NDB transmitter «Parsek-M»

Parsek-M radio is designed to work as part of the air traffic control and landing system of aircraft providing on board values of heading angles, identification signals and transmitting voice messages to the aircraft via ground-to-air channel.


Full package includes:

·        NDB rack
·        ATU (antenna tuning unit)
·        UPS

Control circuit includes:

·        NDB «Parsek-M»
·        obstruction lights
Recommended distance between the radio and the antenna is up to 150 m

Main technical characteristics:

Operating frequency range 190-1750 kHz
Channel spacing 1 kHz
Output power 1000W
Classes of emission  А1А, А2А, А3Е, F1B, J3E, H3E, R3E
Homing (А2А), and Transmission (А3Е) modes
Automatic output of one -, two-or three-letter Morse code signals at a speed of approximately 7 words per minute in Homing mode (А2А)

Modulation frequency (А2А) 1020±50 or 400 ± 25 kHz
Audio frequency band (А3Е) 0.3-3.4 kHz
Max. modulation depth (А3Е, А2А) 95%
Power supply 220±10% V
Power consumption at 500 W emission power Up to 800 W
Control and monitoring:

Provided via Earthernet, RS-232 interface or VF channel up to 15 km
Automatically adjusting ATU in case of changing antenna parameters due to climatic conditions of operation Provided
Ability to work on any of the antennas with input impedance parameters:
XA: from -2000 up to +300 Ω
RA: from 3 up to 40 Ω

Operating time when the network is disconnected using an UPS of 3000 VA with half radiation power More than 1 h
Control of other facilities (marker radio beacon, obstruction lightning, diesel engines) Provided

1043x553x600 mm
692х319х598 mm
Format Eurocard