7.7 oz / 218.3 g with batteries
2.6 in x 6.0 in x 1.2 in / 6.6 cm x 15.2 cm x 3.0 cm
1.43 in x 2.15 in / 3.6 cm x 5.5 cm, 2.6 in diag / 6.6 cm
160 x 240 pixels
transflective, 65-K color TFT
2 AA batteries- not included, NiMH or Lithium recommended
high-speed USB and NMEA 0183 compatible
Where to Buy
Help support this site by making your next gear purchase through one of the links above. Click a link, buy what you need, and the seller will contribute a portion of the purchase price to support Trailspace's independent gear reviews.
Here's what other sites are saying:
This buoyant, waterproof GPS will take you anywhere from sea level to high altitudes. It features a compass, tide tables and a barometric altimeter that tracks weather changes, all shown on a big 65K-color, backlit TFT display. Comes loaded with Garmin's BlueChart g2 coastal charts and a worldwide base map. Map details include shorelines, depth contours, navaids, harbors, marinas and more for the US and Bahamas. If you like to paddle, fish or hike, you'll like the 78sc's extra features, including an electronic compass, tide tables and a barometric altimeter that calculates precise altitude, ascent and descent rates, total climb distance and vertical speed. It also plots pressure trends for a 12-hour period, so you can anticipate weather changes. You can send information like that new favorite fishing spot wirelessly to friends with compatible GPS units. 1.7 GB of internal memory. Micro SD card slot lets you add other Garmin maps. Automatic routing capabilities guide you, turn by turn, with tone prompts to your destination. The highly sensitive GPS receiver features HotFix satellite prediction for fast satellite acquisition and lets you track your location in challenging conditions, such as fog or heavy foliage. WAAS (Wide Area Augmentation System) enabled, it's accurate to 10 feet. Waterproof for 30 min. in 1 meter of water. Runs for 20 hours on 2 AA batteries, not included. Imported. Unit dimensions 6"H x 2.6"W x 1.6"D. Display 2.6" diagonal; 160 x 240 pixels. Weight 7.7 oz. with batteries. Internal memory 1.7 GB Batteries two AA, not included. Battery life 20 hours. Waypoints up to 2,000. Routes up to 200. Track log 10,000 points; 200 saved tracks.
The waterproof, floating Garmin GPSMAP 78sc GPS comes with preloaded BlueChart g2 coastal charts and features a built-in compass, altimeter and high-sensitivity receiver. Bright, sunlight-readable 65K TFT display measures 2.6 in. (240 x 160 pixels) and presents imagery in crisp and colorful detail. High-sensitivity, WAAS-enabled GPS receiver features HotFix(TM) satellite prediction for a rapid first fix and reliable performance in urban canyons or under dense foliage. WAAS (Wide Area Augmentation System) technology can pinpoint your position to 3m or better. Worldwide shaded-relief basemap supports Garmin custom maps and BirdsEye(TM) satellite imagery (custom maps and satellite imagery sold separately). Preloaded BlueChart(R) coastal charts include shorelines, depth contours, navigational aids, harbors, marinas and more throughout the U.S. and Bahamas. MicroSD(TM) card slot enables expanded memory and the option of additional mapping (microSD card sold separately). High-speed USB connectivity makes loading charts and maps quick and easy; interface cable included. Marine-friendly unit floats and features a dedicated "Man Overboard" emergency button and meets IEC 60529 lPX7 standards (can be submerged to 1m for up to 30 min.). Enjoy effortless sharing of waypoints, tracks, routes and geocache locations between compatible units with ANT wireless capability. Built-in 3-axis compass and barometric altimeter provide a steady bearing, altitude and atmospheric pressure trends. Navigation instructions can be shared with repeaters, plotters and autopilots using NMEA protocols through the dedicated serial port. Comes with a USB cable, wrist strap and quick start guide. The Garmin GPSMAP 78sc operates for up to 20 hrs. on 2 AA batteries (sold separately).
Garmin GPSMAP 78S
Garmin GPSMAP 78
Garmin GPSMAP 60CS
Garmin GPSMAP 62s
DeLorme inReach Explorer Handheld GPS Receiver / Locator Beacon
Garmin eTrex 10
Garmin Foretrex 401
$180 - $199
Garmin eTrex 20x