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Notes on setting up galmon.eu ground stations. https://spacecruft.org/spacecruft/spacecruft-galmon
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README.md UBX notes 2022-06-14 14:23:10 -06:00

README.md

Spacecruft Galmon

Notes on setting up galmon.eu ground stations.

Galmon

Galmon is a system to monitor GNSS. Ground stations on Earth use galmon software to collect data from each GNSS satellite.

Main website:

Source code:

GNSS:

Ground Stations

There are two main GNSS chipsets that the galmon software support. UBX and Septentrio. The former is more widely used and easier to set up.

U-Blox

Using these devices are as easy as installing galmon software and running the startup script. No device configuration is needed. There are a variety of UBX devices, the ones below use the U-blox ZED-F9 chipset.

U-Blox website:

Ardusimple website:

simpleRTK2B USB. Available at Mouser.

simpleRTK2B-mPCIe. Available at Mouser.

Start devices with options, ala:

cat /etc/default/ubxtool-ttyACM0

DAEMON_OPTS="--owner 'Jeff Moe SpaceCruft' --remark 'Colorado, USA | Traverse Ten64 | simpleRTK2B-mPCIe' --gps --galileo --beidou --glonass --station XXX --destination XXX.submit.galmon.eu"

Septentrio

The Septentrio device is available as apparently very high quality standalone (unobtanium?) hardware that can plug directly into ethernet, amongst other configurations. Septentrio also resells their chips to third party integrators that make their own more readily available boards, such as the one used in the following setup.

Septentrio website:

Ardusimple simpleRTK3B with Septentrio mosaic-X5.

Note: in Ardusimple's lineup, the devices with "2" in them, such as simpleRTK2B are UBX, while devices with "3", such as simpleRTK3B are Septentrio.

Manufacturer's part number:

  • AS-RTK3B-MX5-L125-NH-00

Not sold by Sparkfun, adafruit, or Digikey. Mouser part number:

  • 780-ASRTK3BMX5L125NH

Status

Three ground stations running.

simpleRTK2B-mPCIe, puck antenna, low in canyon.

simpleRTK2B USB, Calibrated Survey GNSS Tripleband + L-band antenna, higher in canyon.

Septentrio. simpleRTK3B. Calibrated Survey GNSS Tripleband + L-band antenna, higher in canyon.

License / Copyright

Source:

Unofficial project, not part of official galmon software or website. Upstream sources under their respective copyrights.

Copyright (C) 2022 Jeff Moe.

License: CC-By-SA 4.0 International or any later version.