Doppler Systems Inc.
Doppler Systems designs and manufactures radio direction finders for commercial radio, public servic
- (480) 488-9755
- University of Arizona Tech Park
9040 S. Rita Rd
Tucson, AZ 85747
United States of America
Categories
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Custom Radio Direction Finding Products
This assembly contains three sets of antennas, three RF summers, an antenna switch, a GPS and (optionally) a flux gate compass. The pod mounts to the roof with nylon straps, although it is recommended that it be bolted down for more permanent applications. Although this antenna is not stocked, we can provide them on relatively short notice. No minimums apply.
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Direction Finder Components
Doppler Systems offers direction finder components that can be paired with your narrow band FM receivers to create an accurate, low-cost radio direction finder (RDF). Our direction finder components include processors and fixed site and mobile antennas.
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Packaged Direction Finding Systems
Doppler Systems offers packaged systems allowing for easy installation and use our radio direction finding systems. The packaged systems include a direction finding processor, an FM receiver, power distribution, a data interface to configure the system and obtain data from the system, and an appropriate antenna or antennas. Additionally, some customers require wireless networking to connect fixed and/or mobile sites together to share data. We also can provide laptop computers with our systems fully configured to interface with the direction finder and run our software.
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Mobile Radio Direction Finder
Doppler Systems offers mobile direction finders for frequencies from 100 to 1000 MHz. The mobile system uses the same DF processor fixed site systems. The mobile antenna utilizes roof mounted summing units and four vertical antennas. Band switching is achieved either by removing one set of antennas and installing another set or we also offer multiple summing unit options that facilitate band switching from within the vehicle.
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Fixed Site Radio Direction Finders
Our VHF/UHF/THF direction finders typically are installed in permanent or semi-permanent locations where the antenna has a relatively clear view of the surrounding area and RF obstructions and reflectors are minimal. Three stackable antennas mounted on top of a mast, tower, or building cover 115 – 1000 MHz. in three frequency bands. It can be remotely operated via an Ethernet or radio-modem connection. Networked with other fixed site or mobile direction finders and utilizing our TargetTrack software facilitates geolocation of the targeted RF emitter.
