The following questions are based on Chart 12221TR, Chesapeake Bay Entrance, and the supporting publications. Your vessel has a draft of 8.0 feet (2.4 meters) Gyro error is 2°W Variation is 10°W "Per standard magnetic compass" is abbreviated "psc" “Per gyrocompass” is abbreviated “pgc” DEVIATION TABLE Magnetic Heading Deviation 000° 0° 030° 1°W 060° 2°W 090° 4°W 120° 2°W 150° 1°W 180° 1°E 210° 2°E 240° 3°E 270° 3°E 300° 2°E 330° 1°E At 1730 your position is LAT 37°13.9'N, LONG 76°26.4'W. You are steering course 088°psc at an engine speed of 8.0 knots. What is your distance off Tue Marshes Light at 1730?
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