The following questions should be answered using Chart 12354TR, Long Island Sound - Eastern Part, and the supporting publications. Your vessel has a draft of 9 feet (2.7 meters). Your height of eye is 25 feet (7.6 meters). Variation is 14°W "Per standard magnetic compass" is abbreviated "psc" “Per gyrocompass” is abbreviated “pgc” DEVIATION TABLE Magnetic Heading Deviation 000° 0.0° 030° 1.0°W 060° 3.0°W 090° 2.0°W 120° 1.0°W 150° 0.0° 180° 0.0° 210° 1.0°E 240° 2.0°E 270° 1.5°E 300° 1.0°E 330° 0.0° You are turning for 7.5 knots. As you enter the New Haven Outer Channel, you sight the range markers in line directly over the stern. Your heading at the time is 155.5°pgc. What is the gyro error?

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