Spectra-precision Survey Pro 3.80 Recon GPS Reference Manual Manual do Utilizador descarregar pdf (Página 45)

Survey Menu – RTK

Projection Key In Setup - Oblique Mercator

This page is only displayed when the

Zone type

is set to

Oblique

Mercator Angle

Azimuth At

: is where you enter the convention for

projection azimuth. Your choices are:

•

Equator

•

Center of Projection

Origin At

: is where you enter the convention for

projection azimuth.

•

Equator

•

Center of Projection

Projection Key In Setup - Ellipse

The following screen is only displayed when

Datum type

Molodensky

Similarity

Choose an ellipse for the new zone.

•

Ellipse

from

Data Base

: choose this option to use

the selected data base ellipsoid.

•

Key in

Ellipse: choose this option to enter the

values for the custom ellipsoid.

Values

: is where you enter the values for the custom

ellipse if you are not using

Ellipse from List

Ellipse a

: is where you enter the semi major axis of the

new ellipsoid.

Other Parm

: is where you select the other ellipse

parameter to enter. You can use one of: Semi minor axis;

Flattening; Reciprocal flattening; First eccentricity; First

eccentricity squared; Second eccentricity; Second

eccentricity squared.

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Spectra-precision Survey Pro 3.80 Recon GPS Reference Manual Manual do Utilizador Página 45

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