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Old 06-22-17, 08:14 AM   #7
Drakken
Planesman
 
Join Date: Jul 2007
Location: Montreal, Canada
Posts: 194
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1- Use the nomograph (available with GWX). 2 minutes is more than enough to figure out a workable distance and estimate a speed.

2- Distance in 3m15 x 10 = speed in knots

3- To use the "speed" estimation tool in Notepad, you need both the type, the AoB and distance inputted before going for the speed. Al of the above data is used when evaluating speed. If your data is solid, 30 seconds is enough to get a working speed to input.
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