Spectra-precision Survey Pro v3.80 Recon iPAQ User Manual Manual de usuario descargar pdf (Pagina 166)

User’s Manual

158

Parabolic Curve Layout

The Parabolic Curve Layout screen is useful to compute the locations

of any station along a vertical curve when two parts of the curve are

already known. The values computed can be written down and used

to later stake those stations in the field.

Tap , from the Main Menu.

In the

Known

field, select if the station and elevation

for the

PVC

or the

PVI

are known by selecting the

appropriate radio button. Also specify if the

Curve

Length

Point on Curve

, or

High/Lo Elevation

is known

from the dropdown list. (The remaining information

that must be entered will vary depending on the

choice made here.)

Fill in each field with the remaining information that

pertains to your parabolic curve and tap .

Note: The length of a parabolic curve is the horizontal

distance from the PVC to the PVT.

Note: The horizontal distance from the PVI to the PVC always equals

the horizontal distance from the PVI to the PVT

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Spectra-precision Survey Pro v3.80 Recon iPAQ User Manual Manual de usuario Pagina 166