GRS-1 GNSS Receiver & Controller

RTK GNSS Receiver and Field Controller featuring 226 Channels with Universal Tracking

Topcon Positioning System’s GRS-1 (Geodetic Rover System) is an all-in-one handheld GNSS receiver and field controller featuring Topcon’s exclusive Vanguard chip technology, compass and optional built-in camera. Other features include internal L1 antenna for GIS and navigation uses, internal modem and optional external antenna for GNSS network compatibility, or instantly change to dual constellation for centimeter accuracy RTK. Even use your GRS-1 as a static post-processed receiver solution.

Number of Channels: 226 Universal Channels
WAAS/EGNOS: Yes
Onboard Software: TopSURV
Office Software (post processing): Topcon Tools™, SurveyMaster
Microprocessor: XScale PXA320
Processor Speed: 806MHz
Operating System: Windows® Mobile 6.1
Data Update/Output Rate: 1Hz – 100Hz Selectable*
Memory: 256MB SDRAM 1GB Flash
GNSS Receiver: GPS + GLONASS
Dimensions: 7.76” x 3.54” x 1.81” (197 x 90 x 46mm)
Weight: 1.5 lbs (0.7kg)
Operating Temperature: -20° to 50°C

Built-in Camera: 2.0 Megapixel
Waterproof: IP66