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ACP-570 - Unguided dither with unsync-able scopes and pointing errors
Estimated: 6 Hours 0 Minutes   Logged: 4 Hours 0 Minutes   Time Left: 2 Hours 0 Minutes
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Type: Bug Bug
Priority: High High
Severity: Major Major
Status: Closed Closed
Resolution: Complete
Resources: Bob Denny
Reported By: Bob Denny
Component: AcquireSupport library
Fixed In Version: 6.0
Versions Affected: 5.1 Hot Fix 11
Start Date: 1/17/2011
Percent Complete:
Created:  1/17/2011 6:14:59 PM
Revised:
 1/18/2011 9:28:32 AM
Closed:  1/18/2011 9:28:32 AM
Resolved:  1/18/2011 9:28:21 AM

Reported by Steve Cullen. If there is a "large" pointing error, and if you are using unguided dithering, the first dither slew removes the pointing correction jog, returning the scope to the uncorrected position plus dither! It looks like the pointing correction never happened.