You are swinging ship to calibrate the RDF. The RDF gyro bearing is 054° at the same time the visual bearing is 053°pgc. Gyro error is 1°W. At the time of the bearings the heading was 339°pgc. Which statement about the calibrations are TRUE?

A
1° must be subtracted from all RDF bearings.
B
1° must be subtracted from all bearings when the ship is headed 339°T.
C
1° must be subtracted from all RDF bearings of 053°T.
D
1° must be subtracted from all RDF bearings of 075° relative.
E