Mobile Radio Direction Finding with a TDOA device

An RDF box for portable and/or mobile operation; especially useful for the solo mobile RDF'er. Video shows operation of the RDF with two mag mount antennas on the cars roof.
For more information on the NZ1J design and to see his UA-cam video, go here:
• A Doppler Type 2 Meter...
For more information on the re-packaged version by N0EX, go here: www.qrz.com/db...