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Doppler Systems Radio Direction Finding Equipment
http://www.radioheadset.co.uk/doppler.htm



6000 Series
The 6000 series radio direction finders provide microprocessor control for enhanced signal processing and remote control. These units are especially suited for remote site operation where multiple bearings are required for triangulation. A Windows based software program is provided with the unit that permits lines of bearing to be displayed on a map in real time.
Features
Broadband - 125 to 1000 MHz.
All functions remotely controllable.
Selectable commutation frequency for optimum match to signal conditions.
2 deg bearing accuracy (1 sigma, fixed site).
Software for fast data acquisition from multiple sites and automatic triangulation to locate source on digital maps.
Controllable signal averaging reduces multipath effects in mobile use.
Front panel display of bearings in digital and compass rose format, and signal strength on scale of 0 to 9.
Two data ports provide serial input and output in ASCII and CIV formats.
Rugged, weather-resistant fixed site antennas include built in summer electronics and 8 elements.
4-element mobile summer is magnetically mounted in separate sealed enclosure.
Notch filter eliminates commutation tone from audio output of built-in speaker.