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office (480) 488-9755
fax (480) 488-1295

Doppler Systems LLC

Radio Direction Finders and Direction Finding Systems

Doppler Radio Direction Finders and Direction Finding Equipment

Doppler DDF7000 Series Processor
Doppler 500 - 1000 MHz Mobile Antenna
Fixed Site Antenna for 115 - 1000 MHz
VHF Mobile Antenna
Direction Finder Suite
Four Element VHF Antenna
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Doppler Systems Radio Direction Finders

Established in 1981, Doppler Systems designs and manufactures radio direction finding equipment and software for government, commercial, and amateur users. Our direction finders are used throughout the world in a large number of applications including

We offer fixed site and mobile direction finders for 100 - 1000 MHz. Our direction finders are available in turn key configurations packaged for easy transport and set up or as components for customers who want to customize their direction finder.   Software furnished with our direction finders provides simple homing functions as well as map based geolocation of transmitters using mulitple line-of-site measurements.  Multiple fixed site and mobile direction finders can be networked together to provide real time geolocation of RF sources.

Contact us with your radio direction finding requirements and we will help you accomplish your mission.