134 lines
3.1 KiB
Markdown
134 lines
3.1 KiB
Markdown
# Spacecruft Celestia Galmon
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`celestia-galmon` is a set of scripts to retrieve Galmon GNSS
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data and feed it to Celestia for visualization.
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The Galmon GNSS Monitoring Project's
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*"goals are to monitor the major Global Navigation Satellite Systems,
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including GPS, GLONASS, Galileo and BeiDou, but also Space Base
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Augmentation Systems like WAAS, EGNOS and GAGAN. Galmon is an open
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source & open data project with a community of over 30 station operators
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running more than 50 receivers."*
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Celestia is a *"real-time space simulation that lets you experience our
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universe in three dimensions".*
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# Screenshots
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Screenshots of running Celestia with GNSS satellites and
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Galmon Observers, generated by `celestia-galmon-observers`.
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The goal is to have something like the screenshots below,
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including more Galmon data.
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*Celestia with Galmon Observer locations and GNSS satellites.*
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# Install
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Install thusly.
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Quick & dirty if you want to use pre-generated file:
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```
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sudo mkdir -p /usr/share/celestia/extras-standard/galmon
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# Use your username for debian
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sudo chown debian:debian /usr/share/celestia/extras-standard/galmon
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wget \
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-O /usr/share/celestia/extras-standard/galmon/galmon-observers.ssc \
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https://spacecruft.org/spacecruft/celestia-galmon/raw/branch/main/extras/galmon/galmon-observers.ssc
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# Then (re)start Celestia.
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```
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If you want to generate your own files:
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```
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# Quick & dirty Python setup
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sudo apt update
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sudo apt install python3-pip
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pip install --user --upgrade pip
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pip install --user -r requirements.txt
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```
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# Run
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Run thusly.
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Retrieve Galmon observers, output SSC format for Celestia:
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```
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./celestia-galmon-observers
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# Save file for Celestia:
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./celestia-galmon-observers > \
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/usr/share/celestia/extras-standard/galmon/galmon-observers.ssc
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```
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# Galmon Data
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Galmon data can be retrieved from the website in JSON format.
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Available URLs:
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Global, overview of data collection:
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* https://galmon.eu/global.json
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Service Vehicles (Satellites):
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* https://galmon.eu/svs.json
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Almanac. Can also be queried with `t` time flag:
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* https://galmon.eu/almanac.json
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* https://galmon.eu/almanac.json?t=1653332121
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Observers (Ground Stations):
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* https://galmon.eu/observers.json
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Coverage:
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* https://galmon.eu/cov.json
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* https://galmon.eu/cov.json?gps=0&galileo=1&beidou=0&glonass=0
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SBAS:
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* https://galmon.eu/sbas.json
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# See Also
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Refs.
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## Spacecruft
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Spacecruft:
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* https://spacecruft.org/spacecruft/celestia-gnss
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* https://spacecruft.org/spacecruft/gnss-earth
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* https://spacecruft.org/spacecruft/celestia
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## Celestia
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Upstream Celestia:
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* https://celestia.space/
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* https://github.com/CelestiaProject/Celestia
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## Galmon
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Galmon main page:
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* https://galmon.eu
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Galmon web map:
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* https://galmon.eu/geo/
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Source code:
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* https://github.com/berthubert/galmon
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Observers:
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* https://berthub.eu/articles/posts/galmon-project/
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# Status
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Alpha, under development.
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Appears to work for Galmon observer locations.
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# License / Copyright
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Unofficial project, not part of Celestia or Galmon.
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Upstream sources under their respective copyrights.
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Copyright (C) 2022 Jeff Moe.
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License: GPLv2 or any later version.
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