Archive for January, 2010
I made my first dive with a dry suit in open water on December25th, 2005 off the east side of Big Mosquito Island in Jeju Korea. I had done a couple pool exercises the weekend before and figured it shouldn”t be a problem.
Our first dive was to 100 fsw. I was using Nitrox EAN 32 for this dive. The islands off this area of Jeju are old volcanic vents which the magma cooled and solidified in. Over a few millennium, the outer dome eroded off and left the solidified magma like a monolith rising from the sea bed almost 200 fsw below. This is wall diving. Read the rest of this entry »
Doc recently conducted an Instructor Trainer Seminar at the Daejin Sports Center. The course ran from December 19th-27th, 2009.
Among the candidates was Doc’s wife Chae. She has logged over 1000 dives and is a PADI Staff Instructor.
Congratulations Chae! Well done.
Doc, top left; Chae, bottom center
Last time we talked about surface air consumption rate and how to calculate it using an Aluminum 80 cylinder. But what if you change to a different sized cylinder? This time, I”ll show you how to convert your Surface Air Consumption Rate to Respiratory Minute Volume so you can calculate bottom time with different sized cylinders. Read the rest of this entry »