Position on the Earth

Page contents

1. About the main contributors
2. Details about the file
3. Key words
4. Index words
5. Prerequisite units
6. Subsequent units
7. Revision history

1. About the main contributors

• author: Kenneth E. Foote, k.foote@mail.utexas.edu, Department of Geography, University of Texas at Austin, Austin, TX, USA, 78712-1098

2. Details about the file

• current URL of file: http://www.ncgia.ucsb.edu/giscc/units/u012/u012.html
• supporting files (text):
• http://www.ncgia.ucsb.edu/giscc/units/u012/u012_f.html. Unit frame.
• http://www.ncgia.ucsb.edu/giscc/units/u012/u012_metadata.html. Metadata file.
• last revision date: 15 November 1998
• unit title: Position on the Earth
• unit key number: Unit 012w

3. Key words

• Coordinate Systems
• Latitude
• Longitude
• Discrete Georeferencing
• Global Positioning System (GPS)
• Georeferencing
• Precise Positioning
• Location

• See also the key words listed in individual units.

4. Index words

• Geodetic datum
• Postal code
• Ellipsoid
• Geocoding

• See also the index words listed in individual units.

5. Prerequisite units

• None

6. Subsequent or concurrent units

• 019 - Projections and transformations
• 020 - Maps as representations of the world
• 096 - Handling uncertainty, including units:
• 097 - Storing uncertainty information
• 098 - Uncertainty Propagation in GIS
• 099 - Detecting and Evaluating Errors by Graphical Methods
• 100 - Data Quality Measurement and Assessment
• 187 - Managing Uncertainty in GIS

7. Revision history

• 15 November 1998.  Draft completed.
• 30 November 1998.  Posted to NCGIA website.

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