Surveying with the Global Positioning System Posted on November 11, 2020 by George Fergusson True North Surveying is using the latest generation of GPS equipment to gather data for your survey. Here we have a base station set up in a blueberry barren at sunset, south of Waldoboro Village, on the east side of the Friendship Road. Share this: Click to email a link to a friend (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print