Geomatics
- 121
 - Topographic Inc
 - Offers full land surveying, mapping, GIS (Geographic Information Systems) and GPS (Global Positioning System) products and services.
 
- 122
 - Map and Compass Fundamentals
 - Covers the background and history of navigation plus techniques including navigating around obstacles and dead reckoning. Provided by the San Jose Search and Rescue.
 
- 123
 - OA Guide to Map and Compass
 - An excerpt from The Backpackers Field Manual by Rick Curtis, including reference tables, illustrations and real life examples.
 
- 125
 - Space Future - Some Aspects of Space Navigation Law
 - Treatise from the Japanese Rocket Society on the proposed regulatory framework for commercial space activities.
 
- 127
 - Evolution of the Sextant
 - Illustrated article including details about dating. Links to antique instruments offered for sale.
 
- 128
 - Longitude at Sea
 - Describes 17th and 18th century use of eclipses of Jupiter's moons to identify position.
 
- 129
 - The History of the Sextant
 - Transcript of a talk given at the Science Museum of The University of Coimbra. Includes photos of ancient devices.
 
- 130
 - The History of the Sextant
 - The evolution from the earliest instruments to the sophisticated devices used today described and illustrated.
 
- 131
 - Understanding How Thompson Navigated
 - About David Thompson's exploration of western Canada and the northwestern United States from 1790 to 1812, using a sextant and compass. From the Northwest Journal.
 
- 133
 - Dimensional Metrology Services Pty Ltd
 - Offers specialist 3D measurement services to the sectors of manufacturing, construction and engineering using the V-STARS photogrammetry system manufactured by GSI.
 
- 135
 - TerraServer
 - Online subscription service providing access to a database of high resolution satellite and overhead imagery from all over the world.
 
- 136
 - Environmental Remote Sensing Center
 - Remote Sensing and Digital Photogrammetry. Chairs: Dr. Thomas Lillesand and Dr. Frank Scarpace.
 
- 137
 - BYU MERS Laboratory
 - Information on the Brigham Young University Microwave Earth Remote Sensing Laboratory which conducts research into advanced techniques and applications of remote sensing.
 
- 138
 - Indian Institute of Remote Sensing
 - Provides training & education in the field of geospatial technology.
 
