Tracking with map contacts off.
I play at 100%, cams off. Before when I played with contacts on it was easy to get speed using the 3 minute marking rule from far away. I could get a perfect set and would seldom raise the periscope, just shoot when they were in range.
Figuring track and speed without contacts, cams has become a job, moreso for fast TF.
Using Radar, it's fairly easy to get a track. Still I'm having a problem using sonar to figure track and speed. Is there a method here I'm missing. With merchants, I will ping them, mark bearing and distance on the map. Then I repeat until I figure a track. Obvious, you see nothing on the map, but the marks get you close, then I'll draw a line between the marks and get a base track.
Is there away to get speed using sonar. Can you ping, get distance, wait three minutes, ping again..distance...and with those two ranges somehow figure speed with some formula.
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