Thread: phd2 help
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Old 20-07-2017, 08:12 PM
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peter_4059 (Peter)
Big Scopes are Cool

peter_4059 is offline 		 
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,574
Backlash. Keeps correcting in one direction, over corrects and then reverses and repeats this pattern.
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