C:\Users\Matthew>C:\sdr-install\kalibrate-win-release\kal.exe -c 236
Found 1 device(s):
  0:  ezcap USB 2.0 DVB-T/DAB/FM dongle

Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle
Found Rafael Micro R820T tuner
Exact sample rate is: 270833.002142 Hz
meh: Calculating clock frequency offset.
Using GSM-850 channel 236 (890.8MHz)
average         [min, max]      (range, stddev)
+ 30.120kHz             [30030, 30210]  (180, 40.518875)
overruns: 0
not found: 4310
average absolute error: 1702326062.187 ppm