>Remember that visibility is 20 feet. It might be worthwile descending along >the line to see if the other diver is completing deco. >which wasn't well thought out. If this were true you'd see the bubble >track and *know* there was someone on the line. Still a reason to >descend. You wouldn't necesarily see any bubble track if there's any current because the down line, which is often the anchor line, may be at a signifigant angle and the bubbles won't follow this angle on the way up. -Carl-
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