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After only a few moments of experimentation with this navigation tool you will be able to solve tvmdc, correct magnetic compass error and make magnetic compass corrections of correct variation and deviation, find course to steer and convert relative bearings to true bearings easily, quickly and accurately with a turn of only three dials.
After only a few moments of experimentation with this navigation tool you will be able to solve tvmdc, correct magnetic compass error and make magnetic compass corrections of correct variation and deviation, find course to steer and convert relative bearings to true bearings easily, quickly and accurately with a turn of only three dials.
This coastal navigation tool is non-electronic, made of a durable plastic with holes made for a three ring loose leaf book and is guaranteed to be accurate within ¼ of 1 degree, simple to use, and inexpensive. No pencil is needed when using this device. The calculator is an incredible device that will benefit any boater, whether it be in a classroom or on a boat. It can also be used to verify GPS or other electronic readings. The Course Conversion Calculator comes with easy to follow instructions and an unconditional warranty.
Normal Retail Price $34.95
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out the Demo! 
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