Gavin Schrock, LS, authored this 15-part series of articles and videos that appeared in American Surveyor Magazine between 2006 and 2008. [ video ]
The FCC is mandating changes in the narrowband spectrum by January 1, 2013. Click on the link for detailed information.
Oregon Real Time GPS Network
Washington State Reference Network
Online Positioning User Service. The quick and easy way to post process dual frequency GPS data.
Convert your State Plane Coordinates to Geodetic, or vise verse. You can also locate a state plane zone, by country or position.
Doing post processing? This link has a list of GPS antenna details and measurements.
Locate documentation and the latest firmware/software releases.
Continuously Operating Reference Stations.
Wide-area differential GPS service, using satellite broadcast techniques.
GPS is being threatened with widespread interference from a technology using satellite specturm immediately neighboring GPS from a company called LightSquared.
Rugged handheld computers with built-in GPS capabilities used in Reykjavik City to help clean up graffiti.