The upper and lower stadia lines are used to gauge stadia distance, which is a method of reading distance off of the rod and level alone (based on parallax).
People also ask
What is the purpose of the stadia lines?
What is the formula for using stadia lines?
What are stadia wires?
Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric ...
Some optical instruments also have two short horizontal lines, one above and one below the horizontal crosshair. These lines are termed Stadia Lines or Stadia ...
Duration: 1:43
Posted: Jun 1, 2013
Posted: Jun 1, 2013
Sep 27, 2020 · The stadia crosshairs, aka stadia wires, are equally spaced above and below the horizontal crosshair on an instrrument's reticule, Figure D-1. ...
TPC can uses stadia along, with a direction value, to compute the coordinates and elevation of a point. You can enter both the upper and lower stadia values or ...
Upper stadia = 3.040. Lower stadia = 2.946. Stadia difference = 0.094. Distance to staff = 0.094 x 100 = 9.4 metres. Note that stadia distances have a low level ...
The vertical reticle line is used to center and plumb the scope on the stadia rod. The top and bottom horizontal lines are used for determining linear ...