QRZ callsign lookup:

"SoundDoppler" a program of Lodewijk Baars PA3BNX, simulates doppler hardware

Download file at bottom of page



















 The pseudo-doppler technique is a phase based DF method that produces a bearing estimate on the received signal by measuring the doppler shift induced on the signal by sampling around the elements of a circular array. The original method used a single antenna that physically moved in a circle but the modern approach uses a multi-antenna circular array with each antenna sampled in succession.


 VHF/UHF DSP Direction Finder connected to the soundcard of the PC.






 Click images to enlarge




HF direction finding


















 Sound-Doppler can be used for Mobile Foxhunt too.


Replaces the traditional doppler-decode-equipment by the soundcard. This program can also be used stand alone on stationairy doppler monitoring. You need a stereo-line-input on the soundcard. It requiers a sinus reference signal locked on the doppler-switcher. on the left-channel and demodulated FM-Rx-audio on the right-channel. It assume that the reference signal is between 300-2300 Hz. 
























Arduino shield


Arduino Doppler Shield2





SoundDoppler and MyMapping (PCB's and installation instructions are included in the .zip file)



Maps of The Netherlands (MyMapping)


JSN Solid template designed by JoomlaShine.com