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DF-A0245

HF Loop Quadpod for Mobile Antennas

The DF-A0245 is a wideband DF antenna intended for on-the-move direction finding from 1 - 200 MHz The quad-pod’s performance is enhanced with patented hybrid loop-Adcock technology to provide improved sensitivity vs traditional designs of the same form factor. The antenna presents patterns suitable for the Watson Watt estimation method, as well as 3-channel correlative DF The quad pod has a MIL-DTL-38999 connector interface to allow for base mounting of VUHF modules. A cavity inside the antenna houses an integrated band switch that allows control and calibration circuitry to be integrated into the antenna. External and internal RF chain calibration is accommodated, and a compass is also integrated in the antenna

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Specifications & Resources for DF-A0245

Frequency range
1 - 200 MHz
Channels per band
3
DF method
Watson-Watt or 3-channel correlative
RMS accuracy: Using full vector
< 2°
Polarisation
Vertical
Control RS
485, dedicated switching lines
Switching time
< 10µs when using dedicated lines
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Connector
MIL-38999 connector on cable
Antenna outputs
3 x co-axial (size 12 contact)
Ext cal input
< 700 mm x 2000 mm (incl quadpod)
Mass
< 6.5 kg
Temperature range
-30 °C to +55 °C (operating) -40 °C to +71 °C (storage)
Ingress protection
Ingress protection
Classification for DF-A0245

Markets

  • Safety & Security
    • Defence
    • Homeland security

Applications

  • Spectrum management
    • Radio direction finding
  • Signals intelligence
    • Radio direction finding

Type of product

  • Antennas
    • Direction Finding and Monitoring
      • Man-portable DF
      • Mobile DF

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+27 11 034 5300

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Alaris Group
Alaris Holdings Limited 2025
Alaris Antennas is a subsidiary of Alaris Holdings Limited - All rights reserved. Alaris Holdings Ltd is a leading global radio frequency technology holding company invested in building the world's best RF technology capability.

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