A phase correction may be applicable to correct the sextant altitude correction of().
A sextant having an index error that is off the arc has a().
A sextant having an index error that is off the arc has a().
Apparent altitude is sextant altitude corrected for().
A marine sextant has the index arm set at zero and the reflected image of the horizon forms a continuous line with the actual image. When the sextant is rotated about the line of sight the images separate. The sextant has().
When using horizontal sextant angles of three objects to fix your position,an indeterminate position will result in which situation().
sextant()