Quote:
Originally Posted by Formski
Quote:
Originally Posted by jimbuna
Get your sonar guy qualified and experienced....dive to PD and work out a firing solution from the sonar plots....tis a bit hard but not impossible 
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How do you do this with GWX 2.1? Is there a page up somewhere that has the details?
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I'm unaware if one does exist, but here's the method I use:
Ideally you should be positioned ahead and in the projected path.
Some might call this a cheat but my understanding is that the contact line length is equal to the distance and points directly at the centre of the vessel.
Use the pencil tool and mark off the end of the contact line every minute or so.
After say, 4 or more marks use the ruler and draw a line through them and that should indicate the rough course, give or take a few degrees.
Try to get within 500 yards of the end of the hydrophone line.
When the hydrophone line approaches 90 degrees you can fire straight down the route of the line or tweak just slightly to either side for a bow or stern shot. Not too much mind, because you don't know the size or length of the vessel.
Anything more than 500 yards then your only option is to tweak forward (direction of travel wise) of the hydrophonr mark. The greater the distance, the greater the adjustment (this will come more easily with practice).
Always set your eel for impact because you'll also be unaware of the vessels draught.
Good Hunting