global coverage articles
What is the theoretical minimum number of geostationary satellites required for near-global coverage?
How are the minimum three GEO satellites spaced around the equator in terms of longitude?
What characteristic defines a satellite placed in Geostationary Earth Orbit (GEO)?
What geographical regions are excluded from the service footprint of a purely GEO constellation?
Up to what approximate latitude do three strategically placed GEO satellites effectively provide coverage?
What orbit type is essential for achieving true global coverage, including the poles?
What is the primary operational benefit of MEO satellites used in GNSS systems like GPS over GEO satellites?
What is the nominal constellation size often cited for the American GPS system (which uses MEO)?
What key advantage does a LEO satellite offer regarding signal transmission compared to GEO?
In commercial GEO operations, what factor often forces operators to deploy more than the theoretical minimum of three satellites?
What is the typical physical spacing used by many commercial GEO operators to maximize the number of users sharing the orbital arc?
What necessitates LEO constellations numbering in the hundreds or thousands for global connectivity?
How far above the Earth do traditional Geostationary Orbit (GEO) satellites sit compared to LEO satellites?
What specific feature of the LEO altitude enables viability for real-time applications like video conferencing?
Why is spatial redundancy crucial for maintaining continuous service in a LEO constellation?
What factor dictates the exact number of satellites required for achieving global coverage?
What typically accounts for the difference between initial baseline deployment numbers and the final, fully operational LEO constellation size?
What is the primary focus of industry research aimed at optimizing constellation design?
If engineering efficiency reduces the necessary geographical overlap between adjacent satellites by ten percent, what is a direct benefit?
What major economic factor is currently fueling the intense focus on deploying massive LEO satellite constellations?