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

Doppler Systems LLC

Radio Direction Finders and Direction Finding Systems

Doppler Systems DDF7000 Direction Finding Processor
Doppler DDF7000 Series Processor
Doppler Systems Mobile Direction Finding Antenna
Doppler 500 - 1000 MHz Mobile Antenna
Doppler Systems Three Band Direction Finding Antenna
Fixed Site Antenna for 115 - 1000 MHz
Doppler Systems VHF Direction Finding Antenna
VHF Mobile Antenna
Doppler Systems Direction Finding Suite
Direction Finder Suite
Doppler Systems Marine Band Direction Finding Antenna
Four Element VHF Antenna
Doppler Systems TargetTrack Direction Finding Software
TargetTrack Software
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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.

Radio Direction Finder Components
Doppler Offers a Full Range of Components for Custom Solutions

In addtion to our standard configurations our customers can mix and match our components to provide a customized solution. We work with you to understand your requirements and help you develop a hardware and software solution that will meet your needs. Contact us with your radio direction finding requirements and we will help you accomplish your mission.