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HR
Horizontal angle (clockwise increment).
dHRis to stake out angle difference.
HL
Horizontal angle (anticlockwise increment)
HD
Horizontal distance. dHDisto stake out
horizontal distance difference.
VD
Elevation difference. dVDisto stake out
difference between elevation differences.
SD
Slope distance. dSD is to stake out
differences between slope distances.
N
North coordinate. dN is to stake out
differences between north-coordinates.
E
East coordinate. dE is to stake out
differences between East-coordinates.
Z
Elevation coordinate. dZ is to stake out
differences between Z-coordinates
EDM(Electronic Distance Measurement) is
under operation.
m
Unit in metres (metric units)
ft
Units in feet
fi
Units in feet and inches. Figures on the left
of decimals represent feet and those on the right
represents feet in percentile.
X
The magnitude of which is along the
baseline in a point projection measurement. The
positive direction is from the starting point to the
terminal.