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In this video we solve the problem below.
On 6 November your 0752 zone time DR position is LAT 25° 11.0' N, LONG 76° 07.0' W. At that time, you observe the Sun bearing 119° psc. The chronometer reads 12h 53m 07s, and the chronometer error is 01m 19s fast. The variation is 3° W. What is the deviation of the standard magnetic compass?
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Link to the Sight Reduction Tables used in the video.
Sight Reduction Tables Vol. 2: Pub. 229: Hickethier MBA, Mr. Alexander F: 9781484061206: Amazon.com: Books
Link to the Nautical Almanac used in the video.
Amazon.com: Nautical Almanac: 9781480202702: Hickethier MBA, Mr. Alexander F.: Books