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Originally Posted by Troels K
Thanks for the replies 
MaHuJa:
The thing I don’t get is, how do I use a change in bearing rate to estimate the range?  |
You'll notice the difference at the TMA stations as you attempt to find a solution. On the first leg, the bearing fan created is next to worthless because you can find so many vastly different solutions that fit the data. When you make a second leg, your ships contribution to the bearing rate is different, which means that most of the solutions that you looked at during the first leg will not fit the data from the second leg, leaving you with a much smaller set of possibilities. If you can learn, or at least reasonably estimate, the target's speed, the number of valid solutions begins to approach 1.