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Someone tell the FToW that if sonars data is screwy it's because there an Electrician at Broadband.
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And this whole time you thought us nukes didn't know what was going on when we were up there.
Aaronblood,
This method works while you are moving (I've tested it). Even if you're speeding up and slowing down. The
key is finding the course and range where all segments between
regular-interval readings are the same distance. It doesn't matter where the "listener" is, if you find that line, you find the target.
I vaguely remember using this method on the real boat using a zig-zag pattern to pinpoint a contact's course, speed, range, and location.
One of the guys I currently work with was a sub officer, and he went over all of this stuff with me and confirmed that this is how they did it (in the 70's, anyhow.)
You're not plotting DRM because you're taking "snapshots" at regular intervals. At each snapshot, the enemy MUST be somewhere along that line, regardless of where the line begins (OwnShip location). Once you create a series of lines, it's just a matter of finding the right intersecting line (enemy course/range) that yields equidistant segments.
Below is an example of the speed up/slow down method. First is an image of the readings, second is the solution. Based on the readings, there is only one possible course and range where all segments are equal, even though my ship is moving on a different course and changing speeds the entire time.
But... if you can show how those methods won't work, I'd like to hear them so that I can change my tutorial accordingly. I don't want to put out bad info. You might be saying something that my dense nuke head just isn't getting
