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

Doppler Systems LLC

Radio Direction Finders and Direction Finding Systems

Welcome to Doppler Support

Contact Us

We are available by phone and e-mail during regular business hours.


Our manuals provide guidance on how to install and operate our systems.


Our FAQs page provides answers to commonly asked questions.

Application Notes

Our application notes are a compilation of technical documents that are helpful in using our equipment.  They also contain analytical results on items such as wind loading and details on direction finder testing we have performed.


The latest software is available from our downloads page


We offer training classes at our facility in Carefree.


Our 7000 series processors are field upgradeable.