137 lines
3.1 KiB
Markdown
137 lines
3.1 KiB
Markdown
# Spacecruft Leaflet Galmon
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The present repo contains scripts to process data for
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viewing with Leaflet maps.
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Retrieve Galmon observers and GNSS locations,
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output HTML maps with Leaflet.
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`galmon-gnssleaflet` is a script to retrieve Galmon
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GNSS locations and feed them to Leaflet maps for visualization.
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`galmon-observers2leaflet` is a script to retrieve Galmon
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observer locations and feed them to Leaflet maps 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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*Leaflet is the leading open-source JavaScript library for
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mobile-friendly interactive maps.*
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# Screenshots
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Screenshots of Galmon Observers, generated by `galmon-observers2leaflet`.
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*Leaflet with Galmon Observer locations.*
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*Leaflet with Galmon GNSS ("GPS satellite") locations.*
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# Install
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Install thusly.
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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 for Leaflet.
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```
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git clone https://spacecruft.org/spacecruft/leaflet-galmon
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cd leaflet-galmon
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./galmon-observers2leaflet > ./html/observers.html
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./galmon-gnss2leaflet > ./html/gnss.html
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# View in browser or serve with webserver:
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firefox ./html/gnss.html
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firefox ./html/observers.html
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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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## 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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## 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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## Leaflet
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* https://leafletjs.com
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* https://github.com/Leaflet/Leaflet
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Serving Leaflet images and javascript directly. Files from:
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* https://unpkg.com/leaflet@1.8.0/dist/leaflet.js
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* https://unpkg.com/leaflet@1.8.0/dist/leaflet.css
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# Status
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Works.
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# License / Copyright
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Source:
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* https://spacecruft.org/spacecruft/leaflet-galmon
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Unofficial project, not part of Leaflet 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: AGPLv3 or any later version.
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