Mobile Means

ARTIKUL-M

Mobile Direction Finder

Purpose:

  • The mobile direction finder is intended for direction finding, recording, technical analysis and classification of signals used in modern communication systems and data transfer system in HF, VHF, UHF and SHF ranges, as well as localization of their emitters. The last function is provided when the direction finder works as a part of mobile stations.


Mobile direction finder can be implemented based on following equipment: ARTIKUL-M1, ARTIKUL-MT, ARTIKUL-H1 or ARC-D11. Upon that configuration, function and technical specifications of the direction finder depends on parameters of corresponding equipment.

Typical Configuration:

Based on ARTIKUL-M1:

  • Dismountable or fixed DF antenna system inside radio transparent radome with integrated navigation equipment (operating frequency range 20-3000 MHz, simultaneous bandwidth 5 MHz)
  • Analog-digital processing unit
  • Control and display unit with SMO-PPK, SMO-STA, SMO-ASPD Software Packages.


Mobile direction finder based on ARTIKUL-M1


Mobile direction finder based on ARTIKUL-M1

Based on ARTIKUL-H1:

  • AS-HP5 Antenna System for automatic direction finding within 20 – 3000 MHz, with integrated navigation equipment
  • ARGAMAK-2K Two-Channel Panoramic Radio Receiver
  • Vehicle luggage box with fasteners to mount antenna system
  • Control and display unit with SMO-PPK, SMO-STA, SMO-ASPD Software Packages.

Based on ARTIKUL-MT:

  • AS-HP5 Antenna System for automatic direction finding within 20 – 3000 MHz, with integrated navigation equipment
  • Two-channel panoramic radio receiver
  • Vehicle luggage box with fasteners to mount antenna system
  • Control and display unit with SMO-PPK, SMO-STA, SMO-ASPD Software Packages

Based on ARC-D11:

  • AS-HP5 Antenna System for automatic direction finding within 20 – 3000 MHz, with integrated navigation equipment
  • Central unit of ARC-D11
  • Vehicle luggage box with fasteners to mount antenna system
  • Power system with charger and battery
  • Control and display unit with SMO-PPK, SMO-STA, SMO-ASPD Software Packages.

Options:

  • For mobile direction finder based on ARTIKUL-M1:
    • Extension of operating frequency range (1.5 – 8 GHz)
    • Extension of simultaneous bandwidth of radio receiver up to 24 MHz
  • For mobile direction finder based on ARTIKUL-H1, ARTIKUL-MT and ARC-D11:
    • AS-HP2 Antenna System for automatic direction finding within 3 – 8 GHz, with integrated navigation equipment
    • AS-HP-HF Antenna System for automatic direction finding within 1.5 – 30 MHz, with integrated navigation equipment
    • Mast or tripod to mount antenna system at temporary stops
  • Communication and data transmission equipment
  • ARC-IG Video facilities for visualization of radio emission sources in spatially distributed locations
  • ARC-GIS Geoinformation Server
  • SMO-PVP Cross Talk Detection Software Package

Features:

  • Navigation equipment integrated with the antenna system allows evaluating coordinates and course of the direction finder both while moving and at temporary stops
  • To prevent digital path overloading of the direction finder with simultaneous bandwidth of 24 MHz in complicated electromagnetic environment, digital radio receiver includes additional analogue path with 500 kHz bandwidth
  • Joint operation of several direction finders (when communication equipment is available), e.g. as a part of Automated Spectrum Monitoring Systems (ARMADA, AREAL etc.)

Direction Finder Provides:

  • Single- and multi-channel direction finding of radio signals with any modulation types and spectrum width
  • Search for radio emission, measurement of their parameters and comparison with the database
  • Creation of databases, their extension and comparing of the recorded data with the references in the database
  • Recording of radio signals to a storage device
  • Panoramic spectrum analysis within the entire operating frequency range or within separate intervals under complicated electromagnetic conditions, detection of changes in ambient electromagnetic conditions
  • Recording the radio environment to the hard drive within a specified frequency range. This procedure can function within a long period and is based on amplitude/frequency/bearing/time coordinates, the ststion location and the absolute time at the time of saving
  • Accumulation of data for further analysis in the post-processing mode, simultaneous recording of demodulated signals and their service parameters (frequency, time, signal level, etc.)
  • Demodulated signals playback
  • Displaying the emitter bearing and localization of detected emitter on the electronic map (when ARC-GIS is included)

Basic Technical Specifications of Direction Finder in Complete Configuration

Parameter
ARTIKUL-M1
ARC-D11, ARTIKUL-MT
ARTIKUL-H1
General Parameters
Operating frequency range 1.5 - 8000 MHz (single antenna system) 1.5 - 8000 MHz (replaceable antenna systems)
Single channel dynamical range 110 dB, min
Intermodulation free dynamic range (3rd and 2nd order) 75 dB, min
Attenuators 0 - 30 dB with 2 dB increment
Panoramic Spectrum Analysis
Panoramic spectrum analysis rate up to 20 GHz/s up to 3 500 MHz/s
Detected signal minimum duration 1 s 2 ms
Single-Channel and Multi-Channel Direction Finding
DF method Correlative interferometer
Operating azimuth range 0 - 360
Multi-channel direction finding rate up to 2 500 MHz/s up to 120 MHz/s
Single-channel direction finding rate more than 100 bearing/s 30 bearing/s
Processed single signal minimum duration 10 ms 30 ms
DF field sensitivity, max.  
within 1.5-20 MHz range 15 V/m (typical 6 V/m) 15 V/m (typical 9 V/m) (AS-HP-HF)
within 20-3000 MHz range 8 V/m (typical 3 V/m) 10 V/m (typical 6 V/m ) (AS-HP5, 20-110 MHz)
8 V/m (typical 4 V/m ) (AS-HP5, 110-3000 MHz)
within 3000-8000 MHz range 15 V/m (typical 6 V/m) 15 V/m (typical 13 V/m) (AS-HP2)
Instrument DF accuracy (RMS), max.  
within 1.5-20 MHz range 5 5 (AS-HP-HF)
within 20-3000 MHz range 2.5 5 (AS-HP5, 20-110 MHz)
2,5 (AS-HP5, 110-3000 MHz)
within 3000-8000 MHz range 3 5 (AS-HP2)
Processed emitter signal spectrum width Arbitrary
Radio Channel Monitoring, Technical Analysis and Broadcast Recording
Max. recording bandwidth 40 MHz 5 MHz
Types of recorded data Bearing, demodulated signals, spectrograms, time, time-based signal sampling (I/Q)
Maximum simultaneous bandwidth:  
within 1.5-5 MHz range 1 MHz 1 MHz
within 5-20 MHz range 2 MHz 2 MHz
within 20-110 MHz range 5 MHz 5 MHz
within 110-220 MHz range 10 MHz 5 MHz
within 220-8000 MHz range 24 MHz 5 MHz
Continuous recording time Depends on storage volume
Dimensions, Weight
Antenna System dimensions, max. 1550×1110×550 mm 580×250 mm (AS-HP5)
Antenna System weight, max. 50 kg 8.5 kg (AS-HP5)
Weight of the set (20-3000 MHz), max. 65 kg 40 kg 30 kg


Typical curves of RMS and DF sensitivity vs. frequency for direction finder based on ARTIKUL-M1 are given below.



Typical curve of RMS vs. frequency (MHz) for mobile direction finder based on ARTIKUL-M1



Typical curve of DF sensitivity (V/m) vs. frequency (MHz) for mobile direction finder based on ARTIKUL-M1


Typical curves of RMS and DF sensitivity vs. frequency for direction finder based on ARTIKUL-H1 and ARC-D11 are the same as curves given for ARTIKUL-H1 Manpack Direction Finder.


Mobile Means