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- Setup (worked for me POCSAG1200) :
- SDR Angel :
- - main window: Set center freq close to the channels to listen
- - create channel sources
- select Device control: UDP channel source.
- - Channel settings :
- Fmt NFM Mono
- FMd 8000
- IP addr : 127.0.0.1
- P (destination UDP port) : 9981
- Au (UDP audio port) : 9982
- RFBW 13500
- SRout 22050
- Gain 0.1 to 0.3 no more !
- AGC enabled
- disable squelch
- - Click on play button, adjust freq offset to ha signal centered on respective channels.
- Launch POCSAG monitor script below.
- All channels are displayed in same file : /tmp/pocsag.txt, with timestamp and channel label.
- You don't need sox to resample audio.
- ################ pocsag_monitor.sh #####################
- #!/bin/bash
- rm /tmp/pocsag.txt
- nc -l -u 9981 | multimon-ng -t raw --timestamp --label POCSAG1 -a POCSAG1200 -a POCSAG2400 -a POCSAG512 -f alpha - >> /tmp/pocsag.txt &
- sleep 1
- nc -l -u 9983 | multimon-ng -t raw --timestamp --label POCSAG2 -a POCSAG1200 -a POCSAG2400 -a POCSAG512 -f alpha - >> /tmp/pocsag.txt &
- sleep 1
- nc -l -u 9985 | multimon-ng -t raw --timestamp --label POCSAG3 -a POCSAG1200 -a POCSAG2400 -a POCSAG512 -f alpha - >> /tmp/pocsag.txt &
- #sleep 1
- #nc -l -u 9987 | multimon-ng -t raw --timestamp --label POCSAG4 -a POCSAG1200 -a POCSAG2400 -a POCSAG512 -f alpha - >> /tmp/pocsag.txt &
- sleep 1
- tail -f /tmp/pocsag.txt
- ################## LamaBLeu 07/2018 ###################
- More : channel setup details (from webAPI)
- {
- "UDPSrcSettings": {
- "agc": 1,
- "audioActive": 0,
- "audioPort": 9984,
- "audioStereo": 0,
- "channelMute": 0,
- "fmDeviation": 10000,
- "gain": 0.30000001192092896,
- "inputFrequencyOffset": -73440,
- "outputSampleRate": 22050,
- "rfBandwidth": 15000,
- "rgbColor": -5614336,
- "sampleFormat": 3,
- "squelchDB": -100,
- "squelchEnabled": 0,
- "squelchGate": 0,
- "title": "466.075 POCSAG2",
- "udpAddress": "127.0.0.1",
- "udpPort": 9983,
- "volume": 20
- },
- "channelType": "UDPSrc",
- "tx": 0
- }
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