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The last Echo satellite deorbited and burned up in the atmosphere on 7 June 1969. [2] ... or ECHO) – an amateur radio communications satellite launched in 2004;
AMSAT-OSCAR 51 or AO-51 is the in-orbit name designation of a now defunct (following battery failure) LEO amateur radio satellite of the OSCAR series; formerly known as ECHO, built by AMSAT. It was launched on June 29, 2004 from Baikonur Cosmodrome, Kazakhstan on a Dnepr launch vehicle. It is in Sun synchronous low Earth orbit.
EchoStar announced August 2, 2017, EchoStar III "experienced an anomaly of unknown origin" during a relocation maneuver in the previous week "that has caused communications with the satellite to be interrupted and intermittent." EchoStar III is now drifting westward at about 0.1 degrees per day, encountering other geostationary satellites.
An amateur radio satellite is an artificial satellite built and used by amateur radio operators. ... AMSAT-OSCAR 51 (Echo, AO-51) Non-Operational 2004-06-28
First satellite to use GPS for navigation and attitude determination in High Earth orbit [3] [4] November 16, 2000 Germany United States: Artemis: First demonstration of inter-satellite laser communication [5] November 21, 2001 (experiment) European Union: SuitSat: First use of a decommissioned spacesuit as a radio satellite: February 3, 2006 ...
Separately, an ISM survey showed services activity for December stood in expansion territory at 54.1, compared with expectations of 53.3. The index also ticked higher from the previous month's figure.
Hughes Network Systems operates a satellite-based high-speed broadband internet service under the brand HughesNet. As of 2018, Hughes controls 69% of the market for residential satellite-based internet connections, which are mostly used by rural customers out-of-reach of wired infrastructure. [37]
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