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Old 7th August 2018 | 01:45
  #287 (permalink)  
Wizofoz
 
Joined: Jun 2001
Posts: 4,835
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From: Boldly going where no split infinitive has gone before..
Originally Posted by Jet_Fan
The idea that GS can’t fall into a negative value is really quite stupid. No need to report GS as mainly positive as its regarded as positive unless stated otherwise.
So, if you have a groundspeed of negative thirty knots for an hour is your displacement negative thirty miles from your origin?
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