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Laconic · 02-01-08, 04:41 PM

I use three minutes with Imperial measurments. Mark the spot, wait 3 minutes, mark the spot, and measure. Knock two decimal places off of the measurement and you have your speed (so 900 yards = 9 knots). I usually cross-check this with the speed estimation button on the TDC and the speed given when I send in a contact report.

02-01-08, 04:41 PM	#2
Laconic Soundman Join Date: Dec 2007 Posts: 142 Downloads: 109 Uploads: 0	I use three minutes with Imperial measurments. Mark the spot, wait 3 minutes, mark the spot, and measure. Knock two decimal places off of the measurement and you have your speed (so 900 yards = 9 knots). I usually cross-check this with the speed estimation button on the TDC and the speed given when I send in a contact report.