kopia lustrzana https://github.com/projecthorus/radiosonde_auto_rx
Updated systemd service, and made documentation point to the github wiki.
Mark Jessop
rodzic
3fbba6fb59
commit
625be57fac
121
README.md
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README.md
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RS
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==
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### Automatic Radiosonde RX Station Extensions ###
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This fork of rs1279's excellent RS codebase is intended to produce a set of utilities to allow automatic
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reception and uploading of radiosonde positions to APRS-IS and Habitat.
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Eventually I hope to have an automatic receive station installed at a strategic location in the
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Adelaide South Australia area, to better assist with gathering of RS41 radiosondes once they start being
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launched.
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This fork of [rs1279's RS](https://github.com/rs1729/RS) codebase provides a set of utilities ('auto_rx') to allow automatic reception and uploading of radiosonde positions to multiple services, including:
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* The [Habitat High-Altitude Balloon Tracker](https://tracker.habhub.org)
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* APRS-IS (for display on sites such as [aprs.fi](https://aprs.fi)
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* [OziPlotter](https://github.com/projecthorus/oziplotter), for mobile radiosonde chasing.
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Currently we support the following radiosonde types:
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* Vaisala RS92SGP
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* Vaisala RS41SGP
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Support for other radiosondes may be added as required (send us sondes to test with!)
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The key changes from the RS master codebase are:
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* Modification of rs92gps and rs41 for easier output parsing
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* Addition of the auto_rx folder, containing automatic RX scripts
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## Installing on a pi
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Below are assuming running as root and installing to /root/radiosonde_auto_rx
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### Build auto_rx and deps
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```
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apt-get update
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apt-get install python-numpy python-crcmod sox rtl-sdr
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git clone https://github.com/projecthorus/radiosonde_auto_rx.git /root/radiosonde_auto_rx
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cd radiosonde_auto_rx/auto_rx
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./build.sh
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```
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### Configure auto_rx
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```
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cp station.cfg.example station.cfg
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nano station.cfg
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```
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### Blacklist Kernel Drivers
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```
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cat << EOF > /etc/modprobe.d/rtl-sdr-blacklist.conf
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blacklist dvb_usb_rtl28xxu
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blacklist e4000
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blacklist rtl2832
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blacklist dvb_usb_rtl2832u
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blacklist dvb_usb
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EOF
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```
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### Setup Systemd service file
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```
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cp auto_rx.service /etc/systemd/system/auto_rx.service
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systemctl enable auto_rx
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systemctl start auto_rx
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```
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### Watching the log
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```
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journalctl -u auto_rx.service -f -n 100
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```
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### Restarting or stopping the service
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```
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systemctl stop auto_rx
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systemctl start auto_rx
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```
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#### Wetterballon-Radiosonden 400-406 MHz
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* Decoder: <br />
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(compile: `gcc <decoder.c> -lm -o <decoder>`)
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`RS/rs92`: RS92-SGP, RS92-AGP <br />
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`RS/rs41`: RS41-SG(P) <br />
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`RS/dropsonde`: RD94 <br />
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`RS/m10`: M10 <br />
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`RS/dfm`: DFM-06, DFM-09 <br />
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`RS/imet`: iMet-1-AB, iMet-1-RS <br />
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`RS/c34`: C34, C50 <br />
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`RS/lms6`: LMS6 <br />
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`RS/mk2a`: MkIIa <br />
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`RS/meisei`: Meisei <br />
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`RS/rs_module`: separate Module, z.Z. RS92, RS41 <br />
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Die Decoder erwarten das FM-demodulierte wav-Audio des empfangenen Signals (kann auch mit
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sox gestreamt werden). Die weitere Demodulation ist sehr einfach gehalten (Nulldurchgaenge),
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so dass die Decodierung empfindlich auf Stoerungen reagiert und ein gutes Signal braucht.
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Oft hilft schon, z.B. mit sox einen lowpass-Filter zwischenzuschalten (fuer C34/C50 und iMet-1-RS
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wird DFT verwendet). Je nach Empfangsgeraet oder SDR-Software kann das Signal invertiert sein
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(ebenso fuer neuere DFM-09 gegenueber DFM-06).
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`RS/ecc` - error correction codes (Reed-Solomon/BCH) <br />
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* Diverses:
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`RS/IQ`: Beispiele für Behandlung von IQ-Signalen <br />
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`RS/scan`: einfaches Beispiel, wie man mit rtl_sdr-tools automatisch scannen kann <br />
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* Videos & Bilder:
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https://www.youtube.com/user/boulderplex
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https://www.flickr.com/photos/116298535@N06/albums/72157644377585863
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* erläuternde Beiträge:
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=525#p50955
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=550#p64707
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=700#p75202
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=1000#p87987
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=1000#p88325
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=1000#p88845
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http://www.fingers-welt.de/phpBB/viewtopic.php?f=14&t=43&start=1850#p155677
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* Addition of the auto_rx directory, containing the auto_rx automatic reception software
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* Modifications to the rs92ecc and rs41ecc decoders, to provide telemetry output in JSON format.
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Refer to the wiki for [installation and setup instructions](https://github.com/projecthorus/radiosonde_auto_rx/wiki).
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@ -1,50 +1,16 @@
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Radiosonde Auto-RX Utilities
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============================
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This fork of rs1279's excellent RS codebase is intended to produce a set of utilities to allow automatic
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reception and uploading of radiosonde positions to APRS-IS and Habitat.
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Eventually I hope to have an automatic receive station installed at a strategic location in the
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Adelaide South Australia area, to better assist with gathering of RS41 radiosondes once they start being
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launched.
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### Automatic Radiosonde RX Station Extensions ###
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This fork of [rs1279's RS](https://github.com/rs1729/RS) codebase provides a set of utilities ('auto_rx') to allow automatic reception and uploading of radiosonde positions to multiple services, including:
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* The [Habitat High-Altitude Balloon Tracker](https://tracker.habhub.org)
|
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* APRS-IS (for display on sites such as [aprs.fi](https://aprs.fi)
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* [OziPlotter](https://github.com/projecthorus/oziplotter), for mobile radiosonde chasing.
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This folder contains a collection of Python scripts used to automatically scan for and decode Vaisala RS92 and RS41 radiosondes.
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It is intended to be an improvement upon the 'rtlsdr_scan.pl' script, and will run happily on a Raspberry Pi 3.
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Currently we support the following radiosonde types:
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* Vaisala RS92SGP
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* Vaisala RS41SGP
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Support for other radiosondes may be added as required (send us sondes to test with!)
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Features:
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* Automatic downloading of GPS Ephemeris or Almanac data, if the sonde is a Vaisala RS92.
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* Scanning and detection of Vaisala RS92 and RS41 radiosondes over a user-definable frequency range, using the rs_detect, rs92mod and rs41mod utilities from the master repository.
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* Uploading to:
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* APRS, with user-definable position comment.
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* Habitat
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* OziPlotter (Project Horus Offline Mapping)
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Dependencies
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------------
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* Currently runs on Python 2.7 (yeah, I know). Will probably work under Python 3.
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* Needs the following python packages (get them with `pip install <package>`)
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* numpy
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* crcmod
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* Also needs (grab from apt-get):
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* sox
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* If you wish to use an RTLSDR with a bias tee, you will need a version of rtl-sdr which is newer than 2017-06-11. This may me having to grab the latest git version from: https://github.com/osmocom/rtl-sdr
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Usage
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-----
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* Run `sh build.sh` to build needed binaries from elsewhere in this repository.
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* Make a copy of station.cfg.example as station.cfg, and edit as appropriate.
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* Run `python auto_rx.py` to start the scan.
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* Wait. Status will be printed to stdout, and also to a log file in log/<timestamp>.log
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* By default the script will exit after 180 minutes (as by this point we expect the sonde to have landed). You can adjust this with the -t command line option.
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Suggested Crontab Entries
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-------------------------
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Since sonde launches occur pretty much simultaneously worldwide, you can start the receiver script with crontab.
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I suggest the following crontab entries, noting that you need to ensure the PATH env-vars are set for the script to find rtl_power and rtl_fm.
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`PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/games:/usr/games`
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`15 11 * * * /home/<your_user>/RS/auto_rx/auto_rx.sh`
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`15 23 * * * /home/<your_user>/RS/auto_rx/auto_rx.sh`
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The key changes from the RS master codebase are:
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* Addition of the auto_rx directory, containing the auto_rx automatic reception software
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* Modifications to the rs92ecc and rs41ecc decoders, to provide telemetry output in JSON format.
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Refer to the wiki for [installation and setup instructions](https://github.com/projecthorus/radiosonde_auto_rx/wiki).
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@ -3,11 +3,11 @@ Description=auto_rx
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After=syslog.target
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[Service]
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ExecStart=/usr/bin/python /root/radiosonde_auto_rx/auto_rx/auto_rx.py -t 0
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ExecStart=/usr/bin/python /home/pi/radiosonde_auto_rx/auto_rx/auto_rx.py -t 0
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Restart=always
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RestartSec=3
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WorkingDirectory=/root/radiosonde_auto_rx/auto_rx/
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User=root
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WorkingDirectory=/home/pi/radiosonde_auto_rx/auto_rx/
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User=pi
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[Install]
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WantedBy=multi-user.target
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