Grid & Ground I know for sure that my GPS measures grid when the CF is set to 1.000 because I have tested it using 2 county NAD83 published mons that inverse 116303.05' apart and the CF=0.9999746 at the l...

ICYMI: #GPS #Surveying #Geospatial #Mapping #NAD83

Prepare your data for the National Spatial Reference System modernization of 2022 in the U.S. (ArcGIS Blog) The new U.S. datums of 2022 will soon be released. This article covers what is coming and how you should prepare your data.

Prepare for #NSRS
#NGS will replace all 3 current North American Datum of 1983 #NAD83 frames and all current vertical datums, including the North American Vertical Datum of 1988 #NAVD88, with four new terrestrial reference frames and a vertical geopotential datum.
www.esri.com/arcgis-blog/...

As A USGS Employee Working In Spatial Data: hehehehehehehehe
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xkcd.com/2920/
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#GIS #spatial #mapping #humour #humor #datums #coordinatesystems #NAD83 #NAVD88 #mappymeme #survey #USGS #NGS #benchmark #NorthAmerica #geodetic #geodesy
@xkcd.com

#NSRS #HorizontalDatums Will Be #PlateTectonics Based! | Changes To The #VerticalDatums
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tinyurl.com/e7b6wcbz
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#GIS #spatial #mapping #coordinates #coordinatesystems #NationalGeodeticSurvey #NGS #datums #NorthAmerica #geology #movement #GPS #GNSS #geomorphometry #NAVD88 #NAD83 #accuracy #precision