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Make a Secchi Disk, download the app to your smartphone, take readings, and when in a port with connectivity, upload your results.
See: http://www1.plymouth.ac.uk/marine/se...s/default.aspx |
#2
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posted to rec.boats.cruising
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On Wednesday, May 29, 2013 4:22:14 PM UTC+8, Bil wrote:
Make a Secchi Disk, download the app to your smartphone, take readings, and when in a port with connectivity, upload your results. See: http://www1.plymouth.ac.uk/marine/se...s/default.aspx and http://www.oceannavigator.com/Web-Exclusives-2013/Voyagers-join-the-ranks-of-marine-biologists/ or http://www.pnas.org/content/110/18/7107.full |
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