"Have you ever noticed
When you're feeling really good
There's always a pigeon
That'll come shiat on your hood?" John Prine 4-7-2020
"Into the blue again; in the silent water
Under the rocks, and stones; there is water underground" Talking Heads
"Not all change is improvement...but all improvement is change" Donald Berwick
I can’t tell if you’re sincere or just trolling. So I’m going to assume good faith. But a universal idea in cave diving is that you “dive the cave, not the line.” The line is only a navigational aid, and an emergency piece of kit to get you out of the cave in a loss of visibility. But you should always have a compass on you, easily accessible, and reference it on the fly on your way in, and on your way out, at every navigational decision at a minimum and more often perhaps. That way you know what the cave is doing. And if the cave starts doing something you don’t think it should be doing, you might stop and verify that you didn’t accidentally miss a blind tee or a visual jump or something.
For just cave diving, not actual exploration, a compass really serves no purpose at all and I would dare to say that those who claim they use them are actually really not, or only extremely rarely, especially in a silt out what use use compass then?
However for exploration a compass is a must, there is no way you can seriously hunt for going cave unless you gave a compass and know what direction to push.
Obviously for hand survey a compass on a survey slate is a must, unless you have an MNemo.
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Great so the concensus seems to be that no one really knows.
Thank you all!
Correct. Just pick a dive computer that includes a digital compass function, pay attention to the orientation of the cave, and you are good for most any imaginable scenario. No need to carry a dedicated compass on typical cave dives.
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