Technical Specification
4
© 2004 TeleType GPS
4.3
Receiver Accuracy
Receiver Accuracy:
·
Normal: 5 - 25 meters (16 - 82 feet) CEP without SA
·
Enable EGNOS or WAAS:
Position:
< 2.2 meters (7.2 feet), horizontal 95% of time
< 5 meters (16 feet), vertical 95% of time
·
Velocity: within 0.1 meters / second
·
Time: 1 microsecond synchronized GPS time
4.4
Limitations
Limitations:
·
Altitude: < 18,000 meters (60,000 feet)
·
Velocity: < 515 meters (1,690 feet) / second (700 Knots)
·
Acceleration: 4 G
·
Jerk: 20 meters (66 feet) / second
4.5
Power Supply
Power Supply:
·
External Voltage: 5 VDC +/- 10%
·
Batteries:
·
Main Power: Built-in rechargeable Lithium-ion battery for system power
·
Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup
·
Working voltage:
·
Normal Mode: 80-90 mA
·
Power Saving Mode: 30 mA
·
Working period (assuming full battery):
·
Continue Mode: 9 hours
·
Power Saving Mode: 16 hours
4.6
Output & Interface
Output and Interface:
Output:
1) Output protocol
·
Baud Rate: 9600 bps
·
Data bit: 8
·
Parity: No
·
Stop bit: 1
2) Format: NMEA0183 V2.2
(Optional GLL, VTG or SiRF binary format)
·
GPGGA (1 time per second)
·
GPGSA (1 time per second)
·
GPGSV (1 time per 5 seconds)