Detailed Product Description Marine gps, Marine GPS, Fishfinder, GPS Chart plotter, GPS receiver, SBAS receiver FEATURE:1) Improved ... broadcasts the differential corrections to users. SPECIFICATIONS1. GPS/SBAS1) Receiver Type: GPS: Twelve discrete channels, C/A code, ... Customizable Display 5. Memory Capacity2,500 ships track points999 waypoints with comments50 routes, 30 waypoint/route 6. AlarmsArrival ...