1) Identify target, bring up the ships identification page on the GUI
2) Do your speed calc
3) Zoom in to 12x,line up the horizontal line with hull of ship. Note: if you use 6x you have to double your numbers and could get confusing.
Simply count vertical ticks to top of ship mast and place this number (inner numbers closest to the cross hairs on the middle movable ring) on the 90 degree mark that is located on the inner most fixed ring.
Read up the ship mast height from the identification book, find this number on outer most fixed ring and the outer middle ring number is the range!
4) Now the AOB! Slide the range number you found, to the length of the ship (found in identification book) by clicking and dragging the middle ring(range) and lining the range number to the ship length(outer fixed ring).
Now, count horizontal marks, I just count from the crosshairs out to the bow of the ship and multiply by 2, or if you prefer count marks from bow to stern your choice.
Take this number, find it on the inner numbers of the middle movable ring(do not move the middle ring!!!) and wherever the number is, read the inner fixed ring...
That is your AOB!
It's learning curve. I'm not good with pictures. If anyone wants to post pictures with this be my guest.
I suggest practicing at the naval academy many times. The ship that is in front of you and is not moving at the academy is around 780 meters with an AOB of around 33. Practice lining up your rings to get these numbers. That's how I got good at it. Before you know it you will be a pro.
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