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GPS 12
 

 Specifications 

 Navigation Features

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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

TracBac™: Automatic track log navigation with 1024 track log points

Map Datums: Over 107 including one User Datum

Coordinates: Lat/Lon, UTM/UPS, MGRS, Loran TDs, plus 7 grids, including Maidenhead and User UTM

 Performance 

Receiver: Differential-ready 12 parallel channel receiver continuously tracks and uses up to twelve satellites to compute and update position

Acquisition Times:

  • Warm: approx. 15 seconds
  • Cold: approx. 45 seconds
  • Autolocate: approx. 5 minutes
  • EZinit: easy initialization, 45 seconds

Update Rate: 1 second, continuous

  • Accuracy:
    • Position: 15 meters (49 feet) RMS*
    • 1-5 meters (3-15 feet) RMS with Garmin® GBR 21 DGPS receiver (optional)
  • Velocity: 0.1 knot RMS steady state

Dynamics: 6g's

Interfaces: NMEA 0183 and RTCM 104 DGPS corrections

Antenna: Internal patch

 Physical Specifications 

Size: 2.1 W x 5.8 H x 1.2 D inches (5.3 x 14.7 x 3.1 cm)

Weight: 9.5 ounces (269g) with batteries

Display: 2.2 H x 1.5 W inches (5.6 x 3.8 cm) high-contrast LCD with electro-luminescent backlighting

Case: Ultrasonically welded, waterproof to IPX-7 standards

Temp. Range: 5°F to 158°F (-15°C to 70°C)

 

 Power  

Memory Backup: Internal rechargeable lithium battery

Power Source: 5-8 VDC (4 AA batteries)

Battery Life: Up to 24 hours

 

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.

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