Grouping method (identified in the first column of the report table.

The field displays the Range grouping as defined in the third dialog box in the wizard.

• Beam number: Soundings are grouped according to across-track beam number.

• Angle: Soundings are grouped according to beam angle from nadir.

• Distance: Soundings are grouped according to across-track distance from nadir.

Count

Total soundings in range.

Max

Maximum distance of soundings above surface.

Min

Maximum distance of soundings below surface.

Mean

Mean difference of soundings to surface.

Std Dev

Standard deviation of mean differences is presented at one sigma or 68% Confidence Interval.

(Selected S-44 or S-57 categories)

Percentage of soundings that fall within the selected S-44 survey orders or S-57 CATZOC zones of confidence categories.