Elevation of Instantaneous Station (Z)
Vertical Angle Measured From Zenith (ZA)
Horizontal Angle Measured (HAR)
Slope Distance (S)
Difference in Height (V)
Horizontal Distance (H)
Height of Leveler or Theodolite (hi)
Height of Prism Or Reflector (HR)
Point Elevation Or Elevation of Point Sighted
Should be Empty: