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- Q135 - Navigation Problems: Oceans
308. On 28 April your vessel's 0515 zone time position is LAT 23° 26' S, LONG 95° 30' E. At this time, the observed altitude (Ho) of the star Rigil Kentaurus is 24° 51.4'. Your chronometer reads 11h 16m 36s and is 01m 18s fast. What is theintercept (a) based on the assumed position method?
The intercept is the absolute difference between the observed and computed altitudes, calculated using an assumed position and Nautical Almanac data. In this case, the intercept is 34.4'.
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