Provides 4 cardioid patterns in the cardinal directions utilizing appropriate AAI modulator
An Accurate Compact Antenna for Mobile Operations
The DASA-3151 Mobile DF Antenna is a 2 band VHF/UHF antenna consisting of annular slot elements recessed in the roof of a vehicle or on the underside of an aircraft. It includes the modulator, controller and coax cables. The antenna is designed to generate accurate and repeatable bearings on vertically polarized signals in the 20 MHz to 1000 MHz frequency range with extended coverage down to 1 MHz.
The DASA-3151 can be mounted above the headliner in a vehicle or remoted to most any ‘flat’ area. It is primarily designed for use in a 4 door F-150, Tahoe or similar vehicle. All power and control signals to the antenna are provided through a single control cable via the DF processor. The received signal, with bearing information encoded, is routed to the receiver through RF coaxial cable. Control signals are compatible with the AADF-3100 DF Processor from Antenna Authority, Inc.
Typical Gain and Pattern of Annular Slot Antenna
If you have a need for optimized frequency coverage not indicated here, please contact Ferrel - info below - we can customize to your needs.
Antenna Authority offers a wide assortment of directional, wideband antennas and other equipment used for radio direction finding and Geo location. We are experts in covert antennas, vehicles and their operation. We are also ready to design new products to meet your specific needs.
3381 W. County Line Road
Douglasville, Ga. 30135-1145
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