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I hope I can afford to have something accurate up to 600m :D

I was pretty shocked and stunned to know how little even some of my CPLs and SGTs know about nav. It's pretty handy stuff!

Yeah, resection your own position then you still have to guesstimate where the target is anyway, if you could accurately do that you could probably accurately estimate it's distance from you without ...

I think this is the first thing I can actually contribute to on the forum! :D

As with most things, judging distance needs practice. My favorite method is "unit of measure" - thinking of something...