GNSS Satellites
Visualisation of GNSS satellite positions
Object
• Visualisation of GNSS satellite positions
Supported constellations
‒ GPS
‒ Galileo
‒ Glonass
Display:
‒ System times and dilution of precisions
‒ Sky map: azimuts and elevations
Parameters
‒ Observation instant: Coordinated Universal Time (date and hour)
‒ Observer geodetic coordinates: latitude, longitude and altitude (WGS84)
Satellite data from online almanacs
‒ GPS: https://celestrak.org/GPS/almanac/Yuma/ (YUMA-format)
‒ Galileo: https://www.gsc-europa.eu/gsc-products/almanac (XML-format)
‒ Glonass: ftp://ftp.glonass-iac.ru/MCC/ALMANAC/YYYY/ (AGL-format)
Object
Introduction
• Visualisation of GNSS satellite positions
Satellite data from online almanacs
‒ Specific case of Glonass Almanacs
• Possible restrictions on FTP site from internet browsers
• Alternative:
• Usage of mirror websites like to access the FTP site
• https://www.filestash.app
• https://www.net2ftp.com
• Download of equivalent data from Glonass IAC (to be saved in HTML-format)
• https://glonass-iac.ru/en/ephemeris
Architecture
