GPS Control Survey
GPS (Global Positioning System) was developed and is maintained by the US Department of Defense. Today, GPS is used in many of our everyday activities from our cell phone to our in car navigation. GPS for surveying is a much more refined process that can achieve positional results in the millimeters of accuracy.
Sparr Surveys utilizes the Real-Time Kinematic (RTK) GPS cooperative network created and maintained by Western Data Systems. Using Trimble branded Reference Stations and Trimble software, a Member with a Trimble branded rover working within the Network is able to obtain Real-Time Kinematic (RTK) corrections within minutes of arriving at your project.