Modified librtlsdr with switch between two receive frequencies
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README.md

librtlsdr for 2-Frequency-Reception

Description

Modified librtlsdr (rtl_sdr command) to enable seamless switching of frequency during reception. This is based on the async_rearrangement branch of librtlsdr.

This lib enables TDOA localization with RTL-SDRs, when a reference transmitter is used for synchronization. More information: http://www.panoradio-sdr.de/tdoa-transmitter-localization-with-rtl-sdrs/

Usage

rtl_sdr -f 200e6 -h 100e6 -n 1e3 record.dat

receives first 1000 IQ samples at 200 MHz, then 1000 IQ samples at 100 MHz, then again 1000 at 100 MHz without interruption.

Type ./rtl_sdr for help with the modified command.

Build Instructions

  1. navigate to main folder librtlsdr-2freq/
  2. mkdir build
  3. cd build
  4. cmake ../
  5. make

binaries can then be found in build/src/

DC9ST, 2017