Cabin based Tx system with "RPA-Parsek" NDB installation

NDB transmitter "RPA-Parsek" is designed to work as part of the air traffic control and landing system of aircraft in short and long range.

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Hardware compartments contains:

· NDB "RPA-Parsek"

· marker beacon "Marker 734"

Diesel compartments contain the diesel-electric unit.

Remote control equipment (RCE) as for control tower is optional.

The following equipment is controlled by RCE:

· NDB "RPA-Parsek"

· marker beacon "Marker 734"

· diesel-electric unit

"RPA-Parsek" radio may be combined with:

· Long range AFS (antenna АТ-22, АТ-18)

· Short range AFS (antenna АТ-8)

Recommended distance between the cabin and the antenna is up to 150 m.

Cabin is equipped with a fire extinguishing system, heating, lighting, ventilation and fire alarm, wiring and other additional life support equipment.

Cabin is equipped individually for every customer.

Features of VLF complex:

·        Installation is simple and prompt
·        May be placed on various floating structures
·        Mobility

Main technical characteristics:

Operating frequency range	190–1750 kHz
Channel spacing	1 kHz
Carrier output power	500 W
Classes of emission	А1А, А2А, А3Е, А3Е+А2А, F1B
Automatic output of one -, two-or three-letter Morse code signals at a speed of approximately 7 words per minute in Homing mode (А2А)	provided
Modulation frequency (А2А)	1020±50 or 400±25 Hz
A3E audio frequency band	0,3–3,4 kHz
Audio frequency band (А3Е)	95%
Frequency shifts in F1B mode	125, 170, 250 Hz
Keying speed (А1А, F1B)	100 Bauds
Power supply	From 207 to 253 V
Power consumption at 500W emission power	up to 800 W
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 -3 000 to +300 Ω, RA from 2.5 to 30 Ω	provided
Operating time at power supply failure with UPS 3000 VA at 250 W output power	More than 3 h