Amazon.com: Garmin Drive 52 & Traffic: GPS Navigator with 5” Display Features Easy-to-Read menus and maps, Traffic alerts, Plus Information to enrich Road Trips (Renewed) : Electronics
Garmin Handheld GPSMAP 66s Multisatellite | Nav Station
Amazon.com: Garmin Drive 52, GPS Navigator with 5” Display, Simple On-Screen Menus and Easy-to-See Maps & Friction Mount : Electronics
How does GPS work? Introduction to the etrex H GPS unit Buttons/menus Main pages Waypoints Resource: Easy GPS Sample Lessons Resource: Geocaching.com. - ppt download