station scan doesn't find anything?
Closed this issue · 1 comments
dothebart commented
I'm running:
Armbian / bookworm on a Allwinner sun8i
Linux qube 6.1.53-current-sunxi #3 SMP Wed Sep 13 07:43:05 UTC 2023 armv7l GNU/Linux
ii welle.io 2.4+ds-2 armhf DAB/DAB+ Software Radio
with
Bus 001 Device 009: ID 0bda:2832 Realtek Semiconductor Corp. RTL2832U DVB-T
[270098.596114] usb 1-1.1: USB disconnect, device number 7
[270125.804273] usb 1-1.1: new high-speed USB device number 9 using ehci-platform
[270126.025873] usb 1-1.1: New USB device found, idVendor=0bda, idProduct=2832, bcdDevice= 1.00
[270126.025907] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[270126.025922] usb 1-1.1: Product: RTL2832U
[270126.025932] usb 1-1.1: Manufacturer: Generic
[270126.025942] usb 1-1.1: SerialNumber: 77771111153705700
it seems the soapy-backend is used?
2023-11-01T15:07:57.211 Info: OFDM-processor: closing down
2023-11-01T15:07:57.213 Debug: RadioController: Tune to channel "10D" -> 215.072 MHz
2023-11-01T15:07:57.859 Info: RTL_SDR: End rtlsdr_read_async_wrapper() thread
2023-11-01T15:07:57.909 Info: RTL_SDR: Start rtlsdr_read_async_wrapper() thread
Allocating 15 zero-copy buffers
2023-11-01T15:07:58.580 Info: OFDM-decoder:closing down now
2023-11-01T15:07:58.604 Info: New Receiver Options: TII: 0 disable coarse corr: 0 freqsync: CorrelatePRS fft placement: EarliestPeakWithBinning
2023-11-01T15:07:58.605 Info: OFDM-processor:restart
2023-11-01T15:07:58.782 Info: ofdm-processor: Lost coarse sync (coarseCorrector: 0; fineCorrector: 0)
2023-11-01T15:07:58.903 Info: ofdm-processor: SyncOnPhase failed
are printed during the scan.
using https://github.com/aerospaceresearch/CalibrateSDR/ I got this:
python3 ./cali.py
{'f': None, 'm': 'dab', 's': 'rtlsdr', 'c': 'all', 'rs': 2048000, 'rg': 20, 'rd': 0, 'nsec': 10, 'graph': False, 'verbose': False}
let's find your SDR's oscillator precision
scanning...
starting mode: dab
Found Elonics E4000 tuner
Scanning all channels
Scanningâ¦: 0%| | 0/41 [00:00<?, ?it/s]Allocating 15 zero-copy buffers
Scanningâ¦: 2%|â | 1/41 [01:48<1:12:32, 108.82s/it]Allocating 15 zero-copy buffers
Scanningâ¦: 5%|ââ | 2/41 [03:37<1:10:41, 108.75s/it]Allocating 15 zero-copy buffers
...
____Results_______________________________________________________________________________________
# , block, freq [Hz], SNR [dB] , Prec. [ppm], offset [Hz], block [x][o][ ] & signal strength
--------------------------------------------------------------------------------------------------
# 0, 5A , 174928000, +2.12987, None, +0.0, [x] [####################] 100%
# 1, 5B , 176640000, +1.97038, None, +0.0, [ ] [################### ] 93%
# 2, 5C , 178352000, +1.93460, None, +0.0, [ ] [################## ] 91%
# 3, 5D , 180064000, +1.90499, None, +0.0, [ ] [################## ] 89%
# 4, 6A , 181936000, +1.88773, None, +0.0, [ ] [################## ] 89%
# 5, 6B , 183648000, +1.87996, None, +0.0, [ ] [################## ] 88%
# 6, 6C , 185360000, +1.87625, None, +0.0, [ ] [################## ] 88%
# 7, 6D , 187072000, +1.86720, None, +0.0, [ ] [################## ] 88%
# 8, 7A , 188928000, +1.85633, None, +0.0, [ ] [################# ] 87%
# 9, 7B , 190640000, +1.86005, None, +0.0, [ ] [################# ] 87%
# 10, 7C , 192352000, +1.86343, None, +0.0, [ ] [################# ] 87%
# 11, 7D , 194064000, +1.86431, None, +0.0, [ ] [################## ] 88%
# 12, 8A , 195936000, +1.86248, None, +0.0, [ ] [################# ] 87%
# 13, 8B , 197648000, +1.85441, None, +0.0, [ ] [################# ] 87%
# 14, 8C , 199360000, +1.85966, None, +0.0, [ ] [################# ] 87%
# 15, 8D , 201072000, +1.85973, None, +0.0, [ ] [################# ] 87%
# 16, 9A , 202928000, +1.85255, None, +0.0, [ ] [################# ] 87%
# 17, 9B , 204640000, +1.85896, None, +0.0, [ ] [################# ] 87%
# 18, 9C , 206352000, +1.85684, None, +0.0, [ ] [################# ] 87%
# 19, 9D , 208064000, +1.85367, None, +0.0, [ ] [################# ] 87%
# 20, 10A , 209936000, +1.85331, None, +0.0, [ ] [################# ] 87%
# 21, 10N , 210096000, +1.85274, None, +0.0, [ ] [################# ] 87%
# 22, 10B , 211648000, +1.86107, None, +0.0, [ ] [################# ] 87%
# 23, 10C , 213360000, +1.85038, None, +0.0, [ ] [################# ] 87%
# 24, 10D , 215072000, +1.85416, None, +0.0, [ ] [################# ] 87%
# 25, 11A , 216928000, +1.84401, None, +0.0, [ ] [################# ] 87%
# 26, 11N , 217088000, +1.84945, None, +0.0, [ ] [################# ] 87%
# 27, 11B , 218640000, +1.85138, None, +0.0, [ ] [################# ] 87%
# 28, 11C , 220352000, +1.85320, None, +0.0, [ ] [################# ] 87%
# 29, 11D , 222064000, +1.86955, None, +0.0, [ ] [################## ] 88%
# 30, 12A , 223936000, +1.85531, None, +0.0, [ ] [################# ] 87%
# 31, 12N , 224096000, +1.85587, None, +0.0, [ ] [################# ] 87%
# 32, 12B , 225648000, +1.84890, None, +0.0, [ ] [################# ] 87%
# 33, 12C , 227360000, +1.84870, None, +0.0, [ ] [################# ] 87%
# 34, 12D , 229072000, +1.85724, None, +0.0, [ ] [################# ] 87%
# 35, 13A , 230784000, +1.85196, None, +0.0, [ ] [################# ] 87%
# 36, 13B , 232496000, +1.87418, None, +0.0, [ ] [################## ] 88%
# 37, 13C , 234208000, +1.82629, None, +0.0, [ ] [################# ] 86%
# 38, 13D , 235776000, +1.89128, None, +0.0, [ ] [################## ] 89%
# 39, 13E , 237488000, +1.81758, None, +0.0, [ ] [################# ] 85%
# 40, 13F , 239200000, +1.86165, None, +0.0, [ ] [################# ] 87%
which also should be using the same soapy-backend?
AlbrechtL commented
It looks like that your reception is poor. Inside welle.io you can switch on the expert mode and visit the spectrum.