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- Q135 - Navigation Problems: Oceans
278. On 24 May your vessel's 1000 ZT position is LAT 25°36.0'N, LONG 118°39.5'W, when you take an azimuth of the Sun. Determine the gyro error using the azimuth information. Chronometer time: 06h 21m 48s Chronometer error: fast 01m 36s Gyro bearing: 099.4° Variation: 11.1°E
The gyro error is 1.3W because the gyro bearing (099.4) exceeds the true azimuth (approximately 098.1), indicating the gyro is reading higher than the true bearing.
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