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190-00516-00 GPS 10 Technical Specifications Rev. B
Page 6
1.5.4 GPS Performance
1.5.4.1 Receiver
WAAS Enabled™; 12 parallel channel GPS receiver continuously tracks and uses up to 12
satellites to compute and update your position.
1.5.4.2 Acquisition Times
• Reacquisition: Less than 2 seconds
• Warm: Approx. 15 seconds (all data known)
• Cold: Approx. 45 seconds (initial position, time, and almanac known; ephemeris
unknown)
• AutoLocate®: 5 minutes (almanac known; initial position and time unknown)
• SkySearch: 5 minutes (no data known)
1.5.4.3 Update Rate
1 record per second
1.5.4.4 Accuracy
• GPS Standard Positioning Service (SPS)
Position: < 15 meters, 95% typical
Velocity: 0.1 knot RMS steady state
• WAAS
Position: < 3 meters, 95% typical
Velocity: 0.1 knot RMS steady state
• Dynamics: 999 knots velocity (only limited at altitude greater than 60,000 feet), 6g
dynamics
1.5.5 Interfaces
1.5.5.1 GPS 10 Electrical Characteristics
• Communicate with Host Platform via Bluetooth Serial Profile
• Typical Range: up to 32 feet (10 meters)
1.5.5.2 Garmin Interface
Refer to the Garmin Device Interface Specification for specific information about the Garmin
Protocol. The document is located on the Garmin Web site at http://www.garmin.com/support/
commProtocol.html. See also Appendix B: Binary Phase Output Format for additional information
concerning access to raw pseudo-range and carrier phase data from the GPS 10.
1.5.5.3 GPS 10 Protocol
• NMEA 0183 Version 2.0 or NMEA 0183 Version 2.30 (Version 2.0 is factory default,
programmable by data field 7 of the PGRMC1 sentence described in Section 3.1.4 Additional
Sensor Configuration Information (PGRMC1).
• Available NMEA 0183 output sentences include GPALM, GPGGA, GPGSA, GPGSV, GPRMC,
GPVTG, GPGLL, PGRME, PGRMF, PGRMT, PGRMV, and PGRMB (Garmin proprietary
sentences). See Section 3.2 Transmitted NMEA 0183 Sentences for format descriptions.
• Configuration and initialization is accomplished with NMEA 0183 input sentences. Allows
initialization of information such as expected position, date, time, earth datum, and differential
mode. See Section 3.1 Received NMEA 0183 Sentences
for format descriptions.
• Configurable for binary data output including GPS carrier phase data.