Gizmos and Gadgets - Garmin GPSMAP 78s For boaters and watersports enthusiasts who want to run with the best, the rugged GPSMAP 78s features a 3-axis compass, barometric altimeter, crisp color mapping,
Amazon.com: Garmin GPSMAP 78S Marine GPS Navigator and World Wide Chartplotter (010-00864-01) : Electronics
Garmin GPSMAP 78s Hand Held Marine Navigator (Refurbished)
GPSmap 78 / 78s buy now | SVB
How to Reset the Garmin GPSMap 78 Series Marine Handheld GPS - YouTube