Moog Crossbow GNAV540 - Manual (Page 17)

GNAV540 User Manual
7430‐0808‐01 Rev. B Page 17
Chapter 1. Overview
This cha h level summary of the GNAV540: pter provides a hig
• Features, page 17
•
page Software Compatibility,
• GNAV540 Unit, page 18
18
Features
• f <0.4°, heading error < 0.75° Pitch and roll accuracy o
• Ethernet user interface
• MIL‐C‐38999 connector
•
Compliant Receivers GPS aiding from GPS‐ICD‐153C
• Altitude (operating): 10,000M
•
essage limit): +/‐ 256 m/s Velocity Range (NAV m
• ) TTFF < 100 sec (cold
• Less than 4W power
• Optimized for ground vehicle
•
ity Rugged sealed enclosure meeting MIL‐STD‐810G and MIL‐STD‐46IE EMI immun
• ith GB‐GRAM SAASM receiver Internal C/A code GPS module, interchangeable w
• Switch between embedded GPS and external GPS
• Switch between embedded magnetometer and external magnetometer
•
rature, vibration and shock Tested to military standards for environmental conditions including tempe
• Three independent RS422 serial interfaces and precise time pulse outputs
•
eration 12‐channel continuous satellite tracking for true All‐In‐View op
• able or easy updates of application software Field reprogramm
• WGS84 datum
• High reliability with MTBF >75,000 hours (calculated)
System Performance
Table 5 GNAV540 Measurements
Measurement Accuracy
Position/Velocity Position Accuracy <2 m CEP, SDGPS
eady state Velocity Accuracy < 0.05 m/s st
Heading Accuracy <1.0° rms (magnetic)
<0.75° rms (with GPS aiding)