NOAA Patch Test Documentation

NOAA’s Office of Coast Survey directs field programs for ship- and shore-based hydrographic survey units; develops hydrographic survey specifications; conducts technological development and application programs to increase efficiency in survey data acquisition, data processing, and chart production; and carries out research to develop techniques and methods for accomplishing these objectives.
To learn more, visit: http://www.nauticalcharts.noaa.gov/hsd/hydrog.htm

For information about Patch Test Procedures, see:
Specs and deliverables (section 8.1.5.1)
Field Procedure Manual (section 1.5.5.1.2)