E1 GNSS Survey Equipment 20 Hours Endurance RTK GPS with IMU Rover & Base Handheld Collector with Survey Software RTK Surveying Equipment,1408 Channels, 15km UHF Range,60° Tilt Survey
| Country | USA |
| Manufacturer | Berkley |
| Binding | Kindle Edition |
| ReleaseDate | 2002-10-01 |
| Format | Kindle eBook |