Patrick Cunningham

Patrick Cunningham is president of Blue Marble Geographics, Gardiner, Maine, a developer of mapping software. For more information, visit www.bluemarblegeo.com.

ARTICLES

Capturing Time

September 1, 2009
In North America, positions on Earth are commonly expressed in terms of 3D terrestrial reference systems. Three of the most popular of these include the North American Datum of 1983 (NAD 83), the World Geodetic System of 1984 (WGS 84) used by GPS and the International Terrestrial Reference System (ITRS). ...
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HxGN Live

More than 3,500 attendees from more than 70 countries attended HxGN Live, the annual Hexagon AB user conference, at the MGM Grand Hotel & Casino in Las Vegas on June 3-6. About 450 keynotes and panel discussions were held, and several companies from around the world exhibited their geospatial products. Here are a few snapshots from the event.

POB

POB July 2014

2014 July

In the July 2014 issue, POB explores the growth of photovoltaic (PV) installations in the United States across residential, commercial and utilities markets. Also, read how an innovative system ensures the vertical alignment of Gerald Desmond Bridge.

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Drones

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The #1 buyers' guide for land surveyors and geomatics professionals. Search listings for software and equipment manufacturers, equipment dealers and professional services. CLICK HERE to view GeoLocator.

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