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The day before Telstar 1 launched, a U.S. high-altitude nuclear bomb (called Starfish Prime) had energized the Earth's Van Allen Belt where Telstar 1 went into orbit. This vast increase in a radiation belt, combined with subsequent high-altitude blasts, including a Soviet test in October, overwhelmed Telstar's fragile transistors.
Telstar 1 is a defunct communications satellite launched by NASA on July 10, 1962. One of the earliest communications satellites, it was the first satellite to achieve live transmission of broadcast television images between the United States and Europe.
Telstar 2 is a defunct communications satellite launched by NASA on May 7, 1963. It remained active for 2 years. It remained active for 2 years. As of 2023 [update] Telstar 2 remains in orbit.
Acquiring Telstar 303 required moving it from 125° to 104° West and a little changing of internal code to extend battery life and accept its new job parameters. The satellite was retired in 1999 and replaced by Telstar 401. [2] All three of the Telstar 4 series satellite met with disaster and are still in orbit in a graveyard orbit. [3]
Telstar 401 is a communication satellite owned by AT&T Corporation, which was launched in 1993, to replace Telstar 301. It was rendered inoperable by a magnetic storm in 1997. At the time of its loss it served as the home base for TV networks such as Fox Broadcasting , CBS , PBS , ABC , and UPN .
Placed in useless orbit due to upper stage malfunction USA-69: 1991-03-08 1991-017A Radar reconnaissance: Titan IV: Lacrosse: Out of service USA-70: 1991-04-28 1991-031C Technology development Space Shuttle Discovery: MPEC: USA-71: 1991-07-04 Navigation: Delta II 7925-9.5 GPS-IIA-2: Out of service USA-72: 1991-11-08 1991-076A ELINT / Ocean ...
Telstar was not a NASA program but rather a commercial communication satellite project. NASA's contributions to it were limited to launch services, as well as tracking and telemetry duties. The first two Telstar satellites were experimental and nearly identical. Telstar 1 was launched on top of a Thor-Delta rocket on July 10
Telstar 12, previously known as Orion 2, is a Canadian communications satellite in the Telstar series which is operated by Telesat. It was originally built for Orion Network Systems , which merged with Loral Skynet shortly before the satellite was launched.