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README.md

vectorplot

###Vector and spectrum analyzer functionality for the RTL_SDR

Currently, data is taken from the rtl_sdr binary via stdout:

rtl_sdr -f 800000000 - | ./vectplot

Example output:

jackc@dev0 ~/Projects/vectorplot $ rtl_sdr -f 800000000 -|./vectplot 
>>> Reading samples from stdin...
Found 1 device(s):
  0:  Generic, RTL2832U, SN: 77771111153705700

Using device 0: Generic RTL2832U
Found Elonics E4000 tuner
Tuned to 800000000 Hz.
Reading samples in async mode...
^CSignal caught, exiting!

User cancel, exiting...

Output from rtl_sdr is passed through to the console, since it's writing samples to stdin and info to stderr.

###What currently works:

  • Spectrum Analyzer
  • Vector Analyzer (IQ constelation plotting)

###To do:

  • Spectrum analyzer peak hold
  • Constelation plot slow decay
  • Freq error and clock sync
  • Network support (receive samples from rtl_tcp)
  • RTL_SDR libary support (needed for gain and freq control)

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Vector and spectrum analyzer functionality for the RTL_SDR

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