A.Its accuracy remains the same at all latitudes B.It seeks the true meridian C.It can be used near the Earth's magnetic poles D.If an error exists,it is the same on all headings
A.It compensates for the error caused by the vertical component of the Earth's magnetic field B.It compensates for error caused by the heeling of a vessel C.It compensates for quadrantal deviation D.It is only needed in equatorial waters
A.Heeling magnet B.Flinders bar C.Fore-and-aft magnets D.All of the above can be set on magnetic east or magnetic west headings