CRC Press
GPS for Land Surveyors
Garmin
Garmin Drive 53 GPS Navigator, High-Resolution Touchscreen, Simple On-Screen Menus and Easy-to-See Maps, Driver Alerts
GPS-Outdoors
GPS-Outdoors GPS-1708RTB Range Tote
Garmin
Garmin GLO 2 GPS and GLONASS Receiver for Precise Position Information on Mobile Devices, Black