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EarthWatch
QuickBird Satellites Delayed By Gyro Problems
The
U.S. Federal Communications Commission (FCC) has granted EarthWatch
Inc. more time to construct QuickBird 1 and 2. The delay has been
caused by problems with the laser gyroscope. The laser gyroscope
which was to have been provided by L3 Navigation Systems (formerly
Allied Signal) has experienced degraded on-orbit performance on
several recently launched commercial and government spacecraft.
EarthWatch has ordered new gyros from another manufacturer, paying a
premium to expedite delivery. The
FCC concluded that "EarthWatch has shown convincingly that its
original gyroscope is not likely to work as planned and this
component failure would seriously impact its proposed service. In
addition, EarthWatch has more than commenced construction of
QuickBird-1 and QuickBird-2. Construction is well underway and is
progressing." The construction of QuickBird 1 is scheduled to
be finished by November 2000, and QuickBird 2 in April 2001.
QuickBird 1 is now scheduled for launch in April 2001, QuickBird 2
in December 2001.
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