COCONINO COUNTY PUBLIC WORKS DEPARTMENT
Disclaimer must be read Before proceeding
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The coordinates contained in this database were measured using static differential GPS methods with Leica geodetic grade GPS equipment. All data were post processed using Leica SKI software version 2.3. It must be noted here that none of these coordinates are part of a network adjustment and are the equivalent of a standard survey side shot. the Coconino County Public Works department archives all of these measurements on disk and has a hardcopy printout of the post processing log for each measurement contained in this database.
The equipment used for these measurements were Leica SR399 and SR 9500 sensors. The SR 399 has a built in antenna and the SR 9500 uses the Leica AT 302 antenna with built in ground plane. The system specification on accuracy for static methods is: 5mm + 1ppm baseline rms.
All coordinate data contained in this database are relative to the published coordinate values of the Primary Reference Stations. These values can be found on the National Geodetic Survey website at: www.ngs.noaa.gov