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GPS Global Positioning Systems > GPS By Brand > Garmin > On The Water > Marine GPS

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Garmin GPSMap76 With Free Topo DVD 1 left Our units are with International Marine Database.  A free topo DVD is included. This item has been discontinued and no longer available This unit has eight megabytes of internal user memory for storing optional MapSource®— detailed maps, including marine cartography. This memory is preloaded from the factory with worldwide cities (populations greater than 200,000) and nautical navigation aids such as lights, buoys, sound signals and day beacons. An extra-large display measuring 1.6"W x 2.2"H gives users a clear view of information, while a waterproof case means the GPSMAP 76 will keep working well even if it's been submerged in water. Even more amazing, this unit will actually float if accidentally dropped in the water. Navigation Features Waypoints/icons: 500 with name and graphic symbol, 10 nearest (automatic), 10 proximity Routes: 50 reversible routes with up to 50 points each, plus MOB and TracBack® modes Tracks: Automatic track log; 10 saved tracks let you retrace your path in both directions Trip computer: Current speed, average speed, resettable max. speed, trip timer and trip distance Alarms: Anchor drag, approach and arrival, off-course, proximity waypoint, shallow water and deep water Tables: Built-in celestial tables for best times to fish and hunt, sun and moon rise, set and location Map datums: More than 100 plus user datum Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS, Loran TDs and other grids, including user grid    GPS Performance Basemap: basemap with most basic detail Uploadable Maps: Accepts up to 8 megabytes of downloaded map detail from a variety of optional MapSource CDs** Receiver: WAAS-enabled, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update your position Acquisition times: Warm: Approximately 15 seconds Cold: Approximately 45 seconds AutoLocate®: Approximately 5 minutes Update rate: 1/second, continuous GPS accuracy: Position: < 15 meters, 95% typical* Velocity: 0.05 meter/sec steady state DGPS (USCG) accuracy: Position: 3-5 meters, 95% typical* Velocity: 0.05 meter/sec steady state DGPS (WAAS) accuracy: Position: < 3 meters, 95% typical* Velocity: 0.05 meter/sec steady state Dynamics: 6 g's Interfaces: RS232 with NMEA 0183, RTCM 104 DGPS data format and proprietary Garmin Antenna: Built-in quadrifilar, with external antenna connection (MCX) Differential: DGPS (USCG and WAAS capable)    Power Source: Two "AA" batteries (not included) Battery Life: Up to 16 hours    Physical Size: 2.7"W x 6.2"H x 1.2"D (6.9 x 15.7 x 3.0 cm) Weight: 7.7 ounces Display: 1.6"W x 2.2"H (4.1 x 5.6 cm) 180 x 240 pixels, high-contrast FSTN with bright backlighting Case: Fully gasketed, high impact plastic alloy, waterproof to IEC 529 IPX7 standards Temperature range: 5°F to 158°F (-15°C to 70°C) User data storage: Indefinite, no memory battery required   Specifications are subject to change without notice. * Subject to accuracy degradation to 100m 2DRMS under the United States Department of Defense-imposed Selective Availability Program. **These units are also able to transfer waypoints, routes, and tracks between the PC and GPS using MapSourceª.