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NOAA Datums Videos 2014

Differential correction with NA2011 and the newest epoch of NAD83

See our and Datums Basics and GPS Tutorials for the long-awaited results of months of rigorous testing and peer review

Trimble Positions software has replaced Trimble GPS Analyst in ArcGIS 10.1

ALASKA GPS and GIS users - check out Joel Cusick's Datum and Projections presentation Feb 2013

ArcGIS 10.1 - New and Cool improvements see Presentation from Melita Kennedy, ESRI : Projections and Datums Dec 2012

Home Datums Basics

DATUMS are the GEOGRAPHIC part of a Geographic Information System (GIS).

This section provides the essential, fundamentals needed by all GIS users.

Datums, coordinates systems and projections .... oh my !

datum_mismatch

The successful exchange of any spatial data requires an basic understanding of the essential principles.  While these topic challenges even the most advanced users, GIS is meaningless without them. 

...... from the EVER CHANGING world of datums !

Differential correction with NA2011 and the newest epoch of NAD83

See our and Datums Basics and GPS Tutorials for

the long-awaited results of months of rigorous testing and peer review


Title Filter 
# Article Title
1 NOAA Datums Videos 2014
2 Differential Correction: Big Changes with new NAD83(2011)
3 Who Needs Datums Anyway?
4 What is NA2011 - National Adjustment 2011?
5 NA2011 - Passive Monument changes
6 Presentation from Joel Cusick, NPS : Datums and Transformations in GPS Software Presentation
7 Presentation from Melita Kennedy, ESRI: Many great changes in ArcGIS 10.1 to address new epoch of NAD83
8 Spatial reference systems
9 Projected coordinate systems
10 Reference frame epoch or realization
11 ITRF - International Terrestrial Reference Frame
12 IGS08 - International GNSS Service
13 WGS84 - World Geodetic System 1984
14 NAD83 - North American Datum 1983
15 Compare: ITRF, IGS08, WGS84 and NAD83
16 Datum transformations
17 Difference: WGS84 epochs
18 Difference: NAD83 epochs
19 Difference NAD83 epochs - Looking ahead to 2022
20 Difference: WGS84, ITRF08 and IGS08
 
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