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Published 20 hours ago • verified publisher icon AD-Vega

Create baseline

Open mfalkvidd opened this issue 1 year ago • 2 comments

Hi.

Is there any documentation on how to create a baseline (to use with --baseline)? Maybe it could be added to https://github.com/AD-Vega/rtl-power-fftw/blob/master/doc/rtl_power_fftw.1.md#baseline-and-window-function-data ?

I am not sure, but I think the process would be something like this:

  1. Connect a 50 ohm terminator to the RTLSDR.
  2. Run rtl_power_fftw with the same parameters (gain and number of bins) you expect to run for the real measurement, but without the full measurement length. Example: rtl_power_fftw -f 144100000:146100000 -g 350 -m baseline. Wait for the baseline measurement to complete.
  3. Disconnect the 50 ohm terminator and connect the antenna instead.
  4. Now run the real measurement: rtl_power_fftw -f 144100000:146100000 -g 350 -e 5m --baseline baseline.bin - myscanfilename

mfalkvidd avatar Mar 20 '23 08:03 mfalkvidd