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The antenna is designed for effective DF against tactical communication signals, in the band 20-88 MHz, at typical distances of several tens of kilometres, (depending on the type of terrain and the transmitted power). All power and control signals to the antenna are provided through one multi-conductor control cable via the standard WD-7200 system unit. The received signal with encoded bearing information is routed to the receiver through an RF coaxial cable. The AX350D is fully compatible with the existing standard WD-7200 system unit and does not require any other add-ons or modifications for operation.
Each antenna in the WD-7200 family has a specific role to play. The AX320D is a small, general purpose Adcock antenna covering 2-280 MHz, and allowing DF of HF and VHF signals. The AX340 antenna, also small, covers 200-2000 MHz, and is primarily aimed at digital communications in this range, utilising interferometry DF methods.
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