Compact 4-channel DF Antenna


The DF-A0303 is a tri band, compact DF antenna intended for manpack direction-finding on the move from 20 MHz to 6000 MHzbrThe antenna presents patterns suitable for 4-channel correlative DF (CDF).brThe DF-A0303 has a low noise amplifier on each channel with passive bypass capability, an integrated noise source or optional external signal can be used for downstream RF chain calibration and also includes a navigation and GPS.

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Frequency range 20 - 6000 MHz
Frequency bands Band B: 20 - 500 MHz Band C: 400 - 2000 MHz Band D: 2000 - 6000 MHz
Number of channels 4
DF method 4-channel CD
RMS accuracy 2° RMS
Polarisation Vertical
Nominal input impedance 50 O
Control RS 485 serial at 115 kbaud; USB V2.0
Switching time < 100 µs using serial commands < 5 µs when using dedicated lines; < 25 µs
Navigation Integrated compass Heading accuracy 2° RMS ; Integrated GPS/INS1 unit. Heading accuracy 0.3° RMS
GPS Antenna Active (L1)
RF calibration RF chain calibration using Integrated noise source or external applied signal
Power suppl 6 - 18 V DC
Power consumption < 3W
Connector MIL-DTL-38999 multi-pin connector

    Product Applications

    Signals Intelligence
  • Radio Direction Finding
  • C-ESM
  • Electronic Countermeasures
  • Counter UAV