Spectra Precision Survey Pro CE v3.6 User Manual - Manual (Page 341)

Survey Pro Reference Manual
R-184
Results
Radius : is the distance from the radius point to the curve.
Length : is the arc length.
Chord : is the chord length.
Deg. Arc : is the deflection angle that results in a 100-ft. arc length.
Deg. Chord : is the deflection angle that results in a 100-ft. chord
length.
Delta : is the deflection angle.
Tangent : is the distance from the PC or PT to the PI.
External : is the minimum distance between the PI and the curve.
Mid Ord. : is the distance between the curve and the chord at the
center of the curve’s length.
Segment : is the area between the arc length and the chord.
Sector : is the area between the arc length and the two edge radii.
Fillet : is the area between the arc length and the tangents.