Spectra-precision Survey Pro v4.5 Recon and Nomad Reference Manual User Manual Page 390

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Survey Pro Reference Manual
R-382
Traverse on Curve
Curve Trav. on Curve.
The Traverse on Curve screen will compute the PT and radius point
for a curve when the tangent azimuth at a PC point is known.
The first known part of the curve is defined by one of the following:
Radius : is the distance from the radius point to the
curve.
Delta : is the deflection angle.
Degree Arc : is the deflection angle that results in a
100-ft. arc length.
Degree Chord : is the deflection angle that results in
a 100-ft. chord length.
The second known part of the curve is defined by one of
the following:
Delta : is the deflection angle.
Length : is the arc length.
Chord : is the chord length.
Tangent : is the distance from the PC or PT to the PI.
Mid Ordinate : is the distance between the curve and the chord at
the center of the curve’s length.
External : is the minimum distance between the PI and the curve.
PC Point : is the point that defines the beginning of the curve (Point
of Curvature).
Azimuth / Bearing : is the direction of the tangent at the beginning
of the curve.
Turn: specifies if the curve turns to the Left or Right as you face the
curve from the PC.
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