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Overview |
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The GPS 48 defines a new standard in marine handheld navigation
by taking our popular marine handheld, the GPS 45, and
incorporating several product enhancements.
GPS 48
features a 12 parallel channel receiver for fast satellite
acquisition and tight satellite lock, along with a marine
database that graphically displays city locations and nautical
navaids on the moving map. Selectable waypoint symbols,
proximity waypoint alarms, and our innovative TracBack and
Ezinit features round it out.
These features, combined
with our user-friendly operating system, rugged water-resistant
case, data protecting backup lithium battery, and 24-hour
battery life set a new standard in marine handheld GPS
navigation. |
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- Waypoints: Total: 500, Nearest: 9 (automatic),
Proximity: 9
- Routes: 20 reversible routes with up to 30 waypoints
each, plus MOB and TracBack modes
- TracBack: Automatic track log navigation with 1,024 track
log points
- Map Datums: 107 + User Defined
- Coordinates: Lat/Lon, UTM/UPS, MGRS, Loran TDs, plus 7
grids, including Maidenhead and User UTM
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Specifications |
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Part Number |
010-00144-00 |
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Unit Dimensions |
2.0" x 6.2" x 1.2" (5.1 cm x 15.6 cm x 3.1 cm) |
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Weight |
10.0 oz (284 g) with batteries |
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Display Size |
1.5" x 2.2" (3.8 cm x 5.6 cm), 2.6" Diag (6.6 cm) |
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Display Resolution |
64 x 100 |
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Display Type |
High contrast LCD with 3 level Backlight |
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Battery Type |
AA x 4 |
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Battery Life |
up to 24 hours |
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Operating Temperature |
5° F to 158° F (-15° C to 70° C) |
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Waterproof |
IPX4 |
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Floats |
No |
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Interface |
Serial
NMEA 0183 |
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GPS Antenna |
Quad Helix |
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GPS Receiver |
Differential-ready
PhaseTrac12 |
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Tracked Satellites |
12 (parallel) |
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External GPS Antenna |
BNC |
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GPS Constellations |
GPS |
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GPS Position
Accuracy (95%) |
15 meters (GPS), 1-5 meters (DGPS) |
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GPS Velocity Accuracy |
0.1 knot RMS steady state (93 knots / 103 mph max) |
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GPS Warm Start |
15 seconds |
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GPS Cold Start |
45 seconds |
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GPS Update Rate |
1 / second, continuous |
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Altimeter |
GPS |
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Barometer |
No |
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Compass |
GPS |
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Compass Modes |
Magnetic, True, Grid North, Degrees, MILS, User Defined |
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Routes |
20 (30 points per route) |
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Tracks |
No |
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Waypoints |
500 |
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Waypoint Icons |
16 |
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Nearest Waypoint |
9 (automatic) |
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Project Waypoint |
Yes |
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Position Averaging |
Yes |
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Calculator |
No |
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Area Calculation |
Yes (from tracklog) |
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Fish / Hunt Calculator |
No |
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Sunrise / Sunset |
Yes |
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Moonrise / Moonset / Phase |
No |
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Tide Info |
No |
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Audible Alarms |
Yes |
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Anchor Alarm |
Yes |
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Proximity Alarms |
9 |
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Point-to-Point Navigation |
No |
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On Road Navigation |
No |
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MOB |
Yes |
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TracBack |
Yes |
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Trip Planner |
No |
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Trip Odometer |
Yes |
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Track Log |
Yes (1,024 points) |
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Track Log Modes |
Off, Wrap, Fill |
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Units |
Nautical, Statute, Metric |
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Languages Supported |
9 |
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Map Screen Orientation |
North Up, Track Up, Course Up |
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Upload / Download |
Waypoints, Routes, Tracklog |
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Internal Memory |
No |
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Expandable Memory |
No |
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City Database |
Yes |
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Nearest Cities |
No |
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Navaid Database |
Yes |
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POI Database |
No |
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Documents |
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GPS 48 Owners Manual |
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GPS 48 Owners Manual Addendum |
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GPS 48 Brochure |
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An Introduction to using Garmin GPSr with paper maps |
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Update History |
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4.60 |
- Note: This software is only compatible with the
following previous versions: 4.00 - 4.57.
- Updated French translations.
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4.58 |
- When receiving a waypoint from NMEA input, initializes
the waypoint symbol to a simple dot.
- Updated magnetic variation tables based on the new IGRF
2000 model.
- Corrected Loran TD position format secondary station 'W
- Whisky' for chain number GRI-9960.
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4.57 |
- Enhanced unit battery life with Power Saver mode.
- Added track area calculation feature.
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