sextant adjustment

sextant adjustment

[′sek·stənt ə‚jəs·mənt]
(navigation)
In celestial navigation, the process of checking the accuracy of a sextant and removing or reducing its error.
References in periodicals archive ?
From the basics of coordinates, to sun sight reductions and lunar distance sights, to sextant adjustments and altitude corrections, and an exhaustive wealth of appendices, Celestial Navigation in the GPS Age is an absolute "must-have" for offshore navigators and a readily accessible self-teaching tool.