Total station problems
called theodolites. Transits were distinguishable by a shorter telescope and they
could be inverted or transited, later they called the vernier-read instruments
transits.
2. Describe the leveling process for a total station.
- Total Station is the most commonly used surveying instrument today. The
instrument is usually levelled by using its plate bubble and three levelling screws.
The leveling process is happening in tribrach. It is a part of a total station that
contains three levelling screws, a circular or bull’s eye level and probably an
optical plummet for centering the instrument over survey points. The tribrach is
screwed down on the head of the tripod and the instrument is clamped to the
tribrach with the tribrach screw. The optical plummet permits the surveyor to
accurately center the instrument over a given point. It may be a part of the alidade,