Technical Means for Radio Monitoring

Investigations - Design & Engineering - Manufacturing - Delivery - Maintenance


Azimuth-Elevation Unmanned Helicopter-Based Direction Finder


Typical configuration:

ARTIKUL-V2 Direction Finder installed on Unmanned Helicopter

ARTIKUL-V2 Direction Finder installed on Unmanned Helicopter


Direction Finder Provides:

Satellite communication systems Operating frequency range for Subscriber-Satellite channel Total bandwidth of Subscriber-Satellite channel
Globalstar 1610 - 1626.5 MHz 16.5 MHz
Inmarsat 1626.5 – 1660.5 MHz 34 MHz
Iridium 1616 - 1626.5 MHz 10.5 MHz
Thuraya 1626.5 – 1660.5 MHz 34 MHz

Technical Specifications

Operating frequency range 300 - 3000 MHz
Single-channel dynamic range (with attenuators) 110 dB, min
Intermodulation free dynamic range (3rd and 2nd order) 75 dB, min
Attenuators 0 - 30 dB, incr 1 dB
Maximum simultaneous bandwidth 24 MHz
Receiver tuning resolution 1 Hz
Panorama spectrum analysis rate when scanning over operating frequency range (with 12.5 kHz spectrum discreteness) 15 GHz/s, min
Minimum duration of detected single signal 1 µs
DF method Correlative interferometer
Operating azimuth range 0° - 360°
Operating elevation range 0° - 60°
Processed signal spectrum width Arbitrary
Maximum simultaneous DF bandwidth 24 MHz
Single-channel direction finding rate, min 100 bearing/s
Processed single signal minimum duration 1.5 ms
DF field sensitivity, max. 15 µV/m (typical 8 µV/m)
Instrument azimuth DF accuracy (RMS) 3 max.°
Types of recorded data Bearing, spectrum, time, signal sampling (I/Q)
Maximum I/Q bandwidth 40 MHz
Continuous recording time Depends on the storage volume
Antenna system single
Dimensions of antenna system (length×width×height) 1000×710×540 mm
Weight of antenna system 30 kg, max.
Continuous run-time of internal battery 1 h
DC power supply voltage 10 - 16 V
Power consumption including auxiliary devices (navigation equipment, controller) 200 W, max.
Operating temperature range -20°C … +40°C
Maximum altitude above-sea level 4500 m

Direction Finders