Petersburg Pilot -

Land surveyor talks Cold War, glacial rebound

 


Local land surveyor Rick Braun recently began using newer GPS technology and has interesting insights into its application and the land it measures.

Braun used to use the Trimble system—a system that required the use of at least five U.S. satellites out of the 31 that are in space.

“It works okay, but you need a really good look at the sky,” Braun said. “That system is only accurate to within 1 to 3 meters.”

The new GPS system Braun is using, the Javad system, utilizes both U.S. and Russian satellites that send signals to a rover and a base station.

“You get a lot better geom...



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