On 11 July your 0240 ZT position is LAT 14° 52' N, LONG 34° 23' W. You observe Polaris bearing 359.8° pgc. At the time of the observation the helmsman noted that he was heading 279° pgc and 299° psc. The variation is 19° W. What is the deviation for that heading?
On 11 July your 0240 ZT position is LAT 14° 52' N, LONG 34° 23' W. You observe Polaris bearing 359.8° pgc. At the time of the observation the helmsman noted that he was heading 279° pgc and 299° psc. The variation is 19° W. What is the deviation for that heading?
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