GPS World, April 2011
THE BUSINESS SURVEY Topcon GR 5 a Rugged Package in Compact Size Topcon Positioning Systems has introduced its patented Fence Antenna technology and expanded channel support in the new GR 5 GNSS receiver The GR 5 provides tracking sensitivity and multipath rejection in a compact and lightweight package the company said In 2006 Topcon introduced the GR 3 GNSS receiver for precise positioning Topcons Universal Signal Tracking and patented antenna technologies are the foundation of the new GR 5 Topcon said Designed for survey engineering or construction GR 5 offers 216 channels and multi constellation tracking Its rugged I beam design it can withstand a two meter six foot drop onto concrete Topcon said In addition to its patented Fence Antenna technology the new GR 5 receiver features also include High accuracy RTK engine with position updates up to 100 Hz Integrated dual communication system with multiple radio and cellular combinations Removable SD SDHC storage card Extended battery life IP66 dustproof and waterproof rating MIL STD shock and vibration tolerance Quick SNAP pole mounting system Bluetooth connectivity Operates with the full range of Topcon controller software packages Environmentally sealed external ports Precision tuned micro centered antenna with full wave tracking Operates with rechargeable Li Ion or alkaline batteries www gpsworld com April 2011 GPS World 29
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