DigitalGlobe’s WorldView-2 Satellite Elevation Data Verified to be Accurate to ±30 Centimeters

400 Square Kilometers of Elevation Data Referenced Against over 20,000 Established Checkpoints

Longmont, Colo., March 16, 2010 – DigitalGlobe (NYSE: DGI), a leading global provider of commercial high-resolution world-imagery products and services for defense and intelligence, civil government, and commercial customers, today announced that the elevation data gathered from its latest high-resolution satellite, WorldView-2, has been verified as accurate within 30 centimeters by PhotoSat  based on data collected by MWH Geo-Surveys .

To conduct the test, PhotoSat constructed an elevation grid using automatic geophysical processing of 50-centimeter ground resolution stereo satellite images taken by DigitalGlobe’s WorldView-2 satellite. The resulting elevations were then referenced against more than 20,000 gravity survey stations which had previously been established as being accurate to better than two  centimeters.

“As one of the most technologically advanced high-resolution commercial satellites in orbit, WorldView-2 continues to hit all of our planned milestones, and we are thrilled with the assessments made by PhotoSat,” said Walter Scott, Founder and CTO of DigitalGlobe. “For our customers, the quality of the image is only half the story. Equally important is the data the image represents. Having WorldView-2’s elevation data verified as accurate to this degree enables our customers to make decisions more confidently than ever before.”

“We are delighted with the quality of the imagery from this new satellite and are amazed by its massive collection capacity. WorldView-2 will enable PhotoSat to provide timely elevation mapping to our resource customers everywhere in the world.” said Gerry Mitchell, President of PhotoSat. 

To learn more about DigitalGlobe’s advanced constellation of sub-meter satellites and aerial network, please visit

About DigitalGlobe
DigitalGlobe ( is a leading global provider of commercial high-resolution earth imagery products and services.  Sourced from our own advanced satellite constellation, our imagery solutions support a wide variety of uses within defense and intelligence, civil agencies, mapping and analysis, environmental monitoring, oil and gas exploration, infrastructure management, internet portals and navigation technology. With our collection sources and comprehensive ImageLibrary (containing more than 900 million square kilometers of earth imagery and imagery products) we offer a range of on- and off-line products and services designed to enable customers to easily access and integrate our imagery into their business operations and applications. For more information, please visit  

About PhotoSat
PhotoSat is a leading provider of high definition elevation mapping from stereo satellite photos. We are a team of geophysicists and associated geoscientists specializing in the automatic computer processing of stereo satellite photos. Our detailed elevation maps are used for the identification, evaluation, and monitoring of natural resources and the planning and design of resource development projects and their related facilities and infrastructure. Our principal clients are mining, oil and gas, engineering, forestry and environmental companies and government agencies. For more information please visit

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