Projection settings – Spectra Precision Survey Pro 3.80 Recon GPS Reference Manual User Manual

Page 10

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GPS Reference Manual

10

Auto Accept:

is where you select to use criteria for automatic point

acceptance. When checked, both the data and Offset Shots screens
will automatically accept points once the measurement is better than
the specified criteria.

Projection Settings

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The Projection Settings card is used to define the projection mode you
will use to calculate horizontal and vertical coordinates in your
survey.

Horizontal

: contains the following options for your

horizontal projection.

Ground - TDS Localization

: use this setting to

transform GPS coordinates into a ground level
local system using a default TDS map projection
set up to produce ground distances at the GPS
base point origin.

Mapping Plane

: use this setting to transform

GPS coordinates to a selected mapping plane

Vertical

: contains the following options for your vertical

projection.

Localization (+Geoid)

: use this setting to have a

geoid model with or without a localization
vertical adjustment.

Ellipsoid Height

: use this setting when no transformation of

measured ellipsoid heights is desired. Point elevations will be
local ellipsoid heights.

Database

: is where you select the coordinate system database to use.

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