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Member Since 07 Nov 2007
Offline Last Active Apr 18 2015 12:18 AM

Posts I've Made

In Topic: Trip to Bangka- Indonesia

12 February 2015 - 08:39 PM

Really nice.  I especially like the wide angle with the ghost pipefish.

In Topic: mapping dive site

08 March 2014 - 12:58 AM

I don't quite follow what you're trying to do, but I can share my experiences.  When I dive locally, I sometimes carry a small GPS receiver (Qstarz BT-Q1000XT) in a small plastic case (Pelican 1010) connected to a line, which I hold or attach to myself.  The case is waterproof and bobs on the surface above me while I swim along the bottom.  When the dive is over, the GPS track can be merged with the photos to yield GPS-tagged underwater photos.  Presumably one can replace the altitude information in the GPS track with depth data from a dive computer, but I haven't tried.


This arrangement has some practical problems/irritations.  The GPS track is intermittent, although if I find something interesting underwater, I'll hang around long enough that it will record some points.  Having to manage a line to the surface while handling an SLR with strobes can be a bother.  An alternative would be to carry the GPS and case in a BCD pocket and only deploy them to the surface if something interesting turns up, but I don't trust the Pelican case at depth.