A levelling survey between stations A and B was carried out using a number of change points. The closing error of the le
Posted: Sun May 08, 2022 8:29 pm
A levelling survey between stations A and B was carried out using a number of change points. The closing error of the levelling survey was +2.5 mm. If the reduced level for station B was found equal to 1250.327 m, what is the true level for station B?