Trimble SPS361 & SPS461 Heading and Positioning Receiver

The Trimble® SPS361 and SPS461 GPS Heading and Positioning Receivers are modular, dual-antenna systems for marine construction and hydrographic survey. They partner with Trimble HYDROpro software to provide the tools for precise placement of piles, bridges, caissons, offshore drilling rigs and coastal defenses.; providing the user with dredge head positioning; vessel positioning, vessel heading, and pitch or roll. The Trimble SPS361 supports MSK Beacon and OmniSTAR VBS corrections. The SPS461 includes all the features of the SPS361 plus its available with internal 450 or 900MHz radios and is upgradable to varying levels of positioning, including precision RTK. Both the SPS361 and SPS461 provide Precise GPS Heading.