The accuracy of an azimuth circle can be checked by __________.
A
sighting a terrestrial range in line and comparing the observed bearing against the charted bearing
B
aligning the relative bearing markings so that 000° is on the lubber's line and the line of sight passes over the center of the compass
C
ensuring that the alignment marks on the inner face of the circle are in line with those on the repeater on relative bearings of 000° and 090°
D
comparing differences between the observed azimuth and the computed azimuths of two celestial bodies on two separate azimuths
E
İlgili Sorular
Large quantities of gas in the shale shaker area may be an indication of ____________.The apparent wind can be zero when the true wind is from __________.Which factor has the greatest effect on the value of the free surface correction?Before starting a gasoline engine on a motorboat, you should make sure for safety that _____________...What is the relative bearing of an object broad on the starboard bow?