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Broadcast and Telecommunications Satellite C-band: Africa, Central Asia, the Middle East and Europe, Ku-band: Central Asia and Europe 7 February 2013, Ariane 5 ECA: 2014-09-11 49.0°E: 50.5°E NSS-5: Lockheed Martin AS-7000 Netherlands SES: Comsat: Americas, Africa, Europe, Atlantic Ocean: 23 September 1997 Ariane-42L: Hybrid C-band/Ku-band ...
28 C-band and 3 K u-band transponders to cover Latin America, Iberian peninsula, Canary Islands, Western Europe and much of Eastern Europe. 27 February 1998: Atlas 2AS: Launched as Intelsat 806 at 40.5° W. Replaced by SES-6 in June 2013 and moved to 47° W European beams retired, remaining C-band Hemi beam and K u-band Spot beam cover South ...
Typical transponders each have a bandwidth between 27 and 50 MHz. Each geostationary C-band satellite needs to be spaced 2° longitude from the next satellite to avoid interference; for K u the spacing can be 1°. This means that there is an upper limit of 360/2 = 180 geostationary C-band satellites or 360/1 = 360 geostationary K u-band satellites.
v. t. e. GPS signals are broadcast by Global Positioning System satellites to enable satellite navigation. Receivers on or near the Earth's surface can determine location, time, and velocity using this information. The GPS satellite constellation is operated by the 2nd Space Operations Squadron (2SOPS) of Space Delta 8, United States Space Force.
The satellites are pinpoint, while stars have created star trails due to Earth's rotation. A geostationary orbit, also referred to as a geosynchronous equatorial orbit[ a ] (GEO), is a circular geosynchronous orbit 35,786 km (22,236 mi) in altitude above Earth's equator, 42,164 km (26,199 mi) in radius from Earth's center, and following the ...
Astra 19.2°E. The Astra brand logo. Astra 19.2°E is the name for the group of Astra communications satellites co-located at the 19.2°East orbital position in the Clarke Belt that are owned and operated by SES based in Betzdorf, Luxembourg. Astra 19.2°E used to be commonly known as Astra 1, as it was the first orbital position used by Astra ...
DirecTV satellite fleet. The DirecTV satellite fleet is a group of communications satellites located at various geostationary orbits that DirecTV uses for their satellite television service and HughesNet (formerly known as DirecWAY and DirecPC) internet service. The "DirecTV" prefix in their names has been changed to "T". [1][2]
The Global Positioning System (GPS), originally Navstar GPS, [ 2 ] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [ 3 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...