Welcome to Doppler Radio Direction Finder Support

Doppler offers various kinds of support so you can get the most out of your radio direction finder hardware and software. Please see the options below.

Contact Us

If you have questions regarding our direction finder hardware or software, we are available by phone during regular business hours. You may also e-mail us. In addition, feel free to contact us with any comments or concerns.


In addition, our manuals provide information on how to install and operate our radio direction finders and direction finding 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). In addition, they provide information on the direction finder tests we have performed.


The latest software is available from our downloads page.


Our 7000 series processors can be upgraded. For more information about our direction finder upgrades, please click the link.


Finally, we offer direction finder hardware and software training classes at our facility in Tucson, Arizona. We are happy to help!