Error bei der Kalibrierung #33
Description
Hello,
I followed this tutorial
https://www.turais.de/ein-rtl_sdr-mit-kalibrate-sdr-kalibrieren/
When I try kal -c 65 then I get this results
Found 1 device(s):
0: Generic RTL2832U OEM
Using device 0: Generic RTL2832U OEM
Found Rafael Micro R820T tuner
Exact sample rate is: 270833.002142 Hz
[R82XX] PLL not locked!
kal: Calculating clock frequency offset.
Using GSM-900 channel 65 (948.0MHz)
Tuned to 948.000000MHz (reported tuner error: 0Hz)
average [min, max] (range, stddev)
- 409Hz [-423, -395] (28, 7.226833)
overruns: 0
not found: 0
average absolute error: 0.431 ppm
what do I have to do to perform the calibration correctly?