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Archive for April, 2000

28-Apr-00 | NAVSTAR scrub

Second scrub in two days at Pad 17A. This time, concerns were raised about the spacecraft’s solar panel deployment mechanisms. Last night’s attempt was scrubbed due to a problem with ground support equipment for payload power.

Next Delta launch will be the fourth replacement satellite for the Air Force’s Global Positioning System (GPS) constellation, also known as NAVSTAR 2R-4. This satellite will replace NAVSTAR 2-1, the original member of the operational GPS constellation, which was launched aboard the very first Delta II on 14 February, 1989. NAVSTAR 2-1, having exceeded its 7-year design lifetime, suffered shutdown of its reaction wheels last month and was decommissioned on 14 April.



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