No audio available for this content. Figure 1: Utility access box installed over CORS reference mark Whitefish Pt A (NGS PID AA8050) at USCG lighthouse. (Photo: Jeff Olsen) GNSS users who appreciate ...
If you’ve ever glanced down at your feet while shuffling around the city and noticed an odd, gold circle planted in the ground engraved with an indecipherable code of letters and numbers, you’ve ...
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