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- Q135 - Navigation Problems: Oceans
272. On 24 August in DR position LAT 26° 49.4' N, LONG 146° 19.4' E, you observe an amplitude of the Sun. The Sun's center is on the celestial horizon and bears 084° psc. The chronometer reads 07h 55m 06s and is 01m 11s fast. Variation in the area is 15° W. What is the deviation of the magnetic compass?
The Sun's true bearing is calculated from latitude and declination, then adjusted for variation and compared to the compass bearing to determine the easterly deviation, which is approximately 8.3.
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