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Topcon broke new barriers in GIS applications by incorporating their industry leading dual-constellation satellite tracking into a small hand-held GNSS receiver, the GMS-2. This powerful combination of dual-constellation satellite performance and digital imaging technology has set new standard for GIS field mapping.

The GMS-2 has an option that increases real-time correction capabilities of the GMS-2 hand-held receiver– the addition of a BR-1 Coast Guard beacon receiver. The GMS-2 GIS mobile GPS receiver can utilize the new BR-1 to receive sub-meter differential correction signals from the Coast Guard beacon in real-time for data collection and navigation.