Space News Mission Log — Satellite Launches, Orbital Events & Analysis
Daily space news, satellite launch reports, orbital debris analysis and weekly roundups — grounded in live tracking data from our network monitoring 6 published reports.
Understanding GDOP and PDOP in GNSS: A Detailed Guide
GDOP and PDOP are key metrics in GNSS, affecting positioning accuracy. Learn their roles and significance in satellite navigation.
Understanding the BeiDou Satellite System: A Comprehensive Guide
The BeiDou Navigation Satellite System, China's global GNSS, offers positioning, navigation, and timing services worldwide.
BeiDou-3: China's Global Navigation System
BeiDou-3 is the third generation of China's BeiDou Navigation Satellite System (BDS), which provides global navigation services. Officially completed in 2020, BeiDou-3 marks China's full entry into the global navigation satellite systems (GNSS) arena, alongside GPS (United States), GLONASS (Russia),
GLONASS-K: Russia's Next-Generation Navigation Satellites
GLONASS-K is the third generation of Russia's Global Navigation Satellite System (GNSS), designed to provide real-time positioning and timing data for military and civilian users worldwide. The system is a counterpart to the United States' GPS (Global Positioning System) and the European Union's Gal
Sentinel-6: Measuring Sea Level from Orbit
Sentinel-6 Michael Freilich is an Earth observation satellite dedicated to measuring sea level changes with unprecedented accuracy. Launched on 21 November 2020, it is part of the European Union's Copernicus programme, designed to provide critical data for climate monitoring and weather forecasting.
GPS vs Galileo vs GLONASS vs BeiDou: Comparing Global Navigation Systems
GPS, Galileo, GLONASS, and BeiDou are global navigation satellite systems offering varying coverage, accuracy, and features.