Yep, you cracked it!....I think you are correct.
By: DivingT : September 3rd, 2013-09:32
Works for all of the depths (in meters), the only one, as you say thats a bit 'out' is the 30m, but, when you look at other tables, e.g., Royal Navy, BSAC etc etc, they all were constantly changing every 5yrs or so, over the 60's / 70's as different 'expe...