DFS-A0245 Manpack/Mobile DF Antenna System

The DFS-A0245 is a wideband DF antenna system intended for on-the-move direction finding from 1 – 6000 MHz.


Frequency MHz 1 - 6000
Power Handling W
Mass (kg) < 9
Size (mm) < 1.5 (incl. quadpod)
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The DFS-A0245 is a wideband DF antenna system intended for on-the-move direction finding from 1 – 6000 MHz.

The antenna array is implemented as a three-band vertical stack with the low frequency band integrated into a quad-pod with its performance 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 3/2-channel correlative DF.

Mounting of the VUHF module is directly via the base-mounted MIL DTL 38999 connector interface onto the quad pod housing the HF band.

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 and active GPS antenna with receiver are also integrated in the antenna.