A) sensitivity time control (sea clutter control) B) receiver gain control C) brilliance control D) fast time constant (differentiator) E)NULL
A) White buoy with a green top B) White and international orange buoy C) Yellow buoy D) Yellow and black vertically-striped buoy E)NULL
A) deviation B) variation C) compass error D) dip E)NULL
A) 12.5 miles B) 16.0 miles C) 19.0 miles D) 23.5 miles E)NULL
A) two white lights B) a yellow diamond C) flashing blue lights D) three red lights on each side of the draw E)NULL
A) loxodromic curve B) curved line concave to the equator C) straight line D) spiral approaching the poles as a limit E)NULL
A) Interrupted quick flashing B) Very quick flashing C) Long flashing D) Group flashing E)NULL
A) Horizon B) Prime vertical circle C) Prime meridian D) Principal vertical circle E)NULL
A) maximum declination north B) maximum declination south C) 0° declination going to northerly declinations D) 0° declination going to southerly declinations E)NULL
A) 0.2 knot B) 0.4 knot C) 0.7 knot D) 0.9 knot E)NULL