With the ever changing world of GNSS and GPS, Rowley Surveying has now invested in a COMMNAV SinoGNSS receiver. This gives us accurate readings down to 7mm with the use of onboard tilt sensor to 60 degrees. Provided by RTK from Intelligence Management Systems and there base stations gives Rowley Surveying the accuracy required when doing a TOPO survey and other plan compilation projects.
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