ANEROID BAROMETER HOW TO CHECK ERROR N CORRECTION BY USING BAROMETER COMPARISON CHECK FORM

Using an aneroid barometer on your vessel is very simple. The most common way officers use it is to look at the dial, tap the glass screen, and take the reading. But there are better ways to use it. If you are near a meteorological weather station, obtain a local barometric reading as your reference.
A barometer correction is derived and then compared to an independent value based on a standard barometer.

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How you find barometer height at present if my draft is 12.2