Links
[1] https://www.e-navigation.nl/content/differential-gps-corrections
[2] https://www.e-navigation.nl/content/gps-reference-station-parameters
[3] https://www.e-navigation.nl/content/gps-constellation-health
[4] https://www.e-navigation.nl/content/gps-null-frame
[5] https://www.e-navigation.nl/content/dgps-radiobeacon-almanac
[6] https://www.e-navigation.nl/content/gps-partial-correction-set
[7] https://www.e-navigation.nl/content/gps-special-message
[8] https://www.e-navigation.nl/content/differential-glonass-corrections
[9] https://www.e-navigation.nl/content/differential-glonass-reference-station-parameters
[10] https://www.e-navigation.nl/content/glonass-constellation-health
[11] https://www.e-navigation.nl/content/glonass-partial-differential-correction-set-or-null-frame
[12] https://www.e-navigation.nl/content/glonass-radiobeacon-almanac
[13] https://www.e-navigation.nl/content/glonass-special-message
[14] https://www.e-navigation.nl/content/gnss-system-time-offset