DF-A0243 Manpack/Mobile Watson Watt DF Antenna

The DF-A0243 is a wideband Watson Watt DF antenna intended for on-the-move direction finding from 20 to 9000 MHz.


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The DF-A0243 is a wideband mobile Watson Watt DF antenna intended for on-the-move direction finding from 20 to 9000 MHz.

The antenna array is implemented as a three-band vertical stack with the low frequency band 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. Band switching is done via an integrated switch and control system. External and internal RF chain calibration

is accommodated and a compass and active GPS antenna are also integrated in the antenna.

Spring-mounting is directly via the base-mounted MIL DTL 38999 connector interface. An optional isolating extension mast is also available for use on vehicles or marine platforms. This provides improved performance over

simply mounting the antenna directly to the structures.

The design is ideal for shared platform applications and flexible deployment scenarios, e.g. a boat-mounted

antenna can be detached and transitioned to an on-the-march system and a vehicle system as needed.

Active / Passive Active
Mass (kg) < 2.5
Polarisation Vertical
Size (m) 0.9
1. End Frequency (MHz) 9000
1. Start Frequency (MHz) 20

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