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Real Time Streaming to HackRF

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Nguyễn Mạnh Toàn edited this page Mar 16, 2018 · 15 revisions

Create FIFO for GPS Simulation Data

mkfifo gpsstream

Invoke GPS Simulator with current ephemerides file and current time/date and stream to FIFO

  • GPS-SDR-SIM only accepts the input variable as UTC time for "-t" option, Here is details of function date2gps To see the current UTC time/date, you can execute command:
date -u %Y/%m/%d,%H:%M:%S

./gps-sdr-sim -e brdcXXXX.17X -l 50.059330, 0.008319,100 -b 8 -T now -i -o gpsstream

Alternatively

./gps-sdr-sim -e brdcXXXX.17X -l 50.059330, 0.008319,100 -b 8 -T $(date -u +%Y/%m/%d,%H:%M:%S) -i -o gpsstream

Broadcast GPS Simulation Data from FIFO

hackrf_transfer -t ./gpsstream -f 1575420000 -s 2600000 -a 1 -x 0

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