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How so?My gradient factors have changed to provide what I believe is more conservatism.
I agree, but that is not the way a lot of people see it. They see staying deep longer as being more conservative.By raising my GF lo to get off the bottom faster.
...computers are not accurate.
They are precise, but not particularly accurate.Dive computers are accurate, but they only do the math. They are automatic dive tables giving a second by second determination of the no deco time left on the dive. It is just an algorithm, made to keep most people safe.
As for a divers personal seceptability to DCS, it has a lot of factors and is not anything an algorithm can, or should, correct for. It is in the divers best interest to understand how diving affects them and select an algorithm which is appropriately conservative for them.
Bob