Table Column Descriptions

The following columns display in an Indirect Survey Table pane.

Column Name

Description

Measure Calculated distance between each point based on GPS values. Measured in either feet or meters
Station Number Cumulative chainage for the whole line, in the positive direction.
Segment Chainage Chainage as provided from the original Allegro file, but always in the positive direction.
Segment Station Chainage exactly as provided in the file from the Allegro (could be descending if file taken in reverse direction) Eng Station Measure - Engineering.
Eng Station Measure Engineering Stationing calculated from station points added to the line. Uses the GPS measure as the basis to rubber band points between stations.
Eng Station Chainage Engineering Stationing calculated from station points added to the line. Uses the file chainage as the basis to rubber band points between stations.
Survey ID Internal unique PCS Survey Manager ID for this entire survey.
Segment ID Internal unique PCS Survey Manager ID for this survey segment file.
CIS On On reading at this location.
CIS Off Off reading at this location.
Depth Depth of Cover reading at this location, if provided.
Remarks Comments field as entered in the Allegro.
Collection Time System or GPS time that this reading was taken, as provided by the Allegro.
Lat Latitude corresponding to this point.
Lon Longitude corresponding to this point.
Interpolated Flag indicating if the Lat, Lon, and Elevation fields were calculated or provided directly by the Allegro. A ‘0’ indicates a provided reading; a ‘1’ indicates calculated.
Elevation Elevation above sea level corresponding to this point.
PDOP Position Dilution of Precision. Describes error caused by the relative position of the GPS satellites.
ID Internal unique PCS Survey Manager ID for this reading.