Transcript
Geodetics is an Advanced Sensing and Navigation Company Based in the USA
Accurate Position, Navigation and Timing (Master Clock) in a Single Box
Non-ITAR Configurations Tactical Tactical-RTK Advanced ITAR Configurations Tactical RTK-SAASM Advanced SAASM
GPS Sensor L1 Standalone L1/L2, RTK-Enabled L1/L2, RTK-Enabled GPS Sensor L1/L2 SAASM, RTK-Enabled L1/L2 SAASM, RTK-Enabled
IMU Internal Quartz MEMS Internal Quartz MEMS External FOG IMU Internal Quartz MEMS External FOG or RLG
Inertial Navigation System and Master Clock
Configuration (GPS Receiver)
DCLS: x3 configurable digital outputs (1PPS, IRIG B002), 3.3V, 50Ω RS232: x1 NMEA ToD message (GPZDA, GPRMC) Frequency: 10 MHz, sine, 0 dBm in 50Ω Network: NTP server (v3, v4)
Tactical (L1 only) Tactical-RTK (L1/L2) Tactical-RTK SAASM Advanced (L1/L2) Advanced SAASM
10/100bT LAN interface Web User Interface (status, configuration, log, SW update) SNMP
Performance Timebase Performance Relative Frequency Variation with Aging 24 hours One month One year Relative Frequency Variation with Temperature (-40°C +85°C) Relative Frequency Variation with Acceleration (any axis) Phase Noise on 10 Mhz Output @10 Hz @100 Hz @1 kHz @100 kHz System Performance Frequency Accuracy Averaged Over 24 hour when Locked on GNSS Phase (1PPS) Drift in Holdover (no reference available)
OCXO
5.10-10 _
5.10
-8
±5.10-8 -9
Configuration (IMU) CSAC
_
3.10-10 1.10-9 ±5.10-8
±5.10 /g
_
-110dBc/Hz -120dBc/Hz -140dBc/Hz -150dBc/Hz
- 70dBc/Hz -113dBc/Hz -128dBc/Hz -140dBc/Hz
3.10-12
1.10-12
4 hours 24 hours 7 days
1.5 μs 30 μs 1 ms
0.2 μs 1.3 μs 30 μs
Phase (1 PPS) accuracy to UTC
±50 ns (1δ)
±50 ns (1δ)
-
Configuration
Tactical, Tactical-RTK, Tactical-RTK SAASM
Advanced, Advanced SAASM
IMU Internal MEMS 1
Internal MEMS 2
External FOG
Parameter Range Bias Stability (in-run) Random walk Range Bias Stability (in-run) Random walk Range Bias Stability (in-run) Random walk
Accelerometer ±6g
Gyroscope ±450°/sec
< 0.1 mg
6°/hr
0.04 (m/sec)/√hr ±3g
0.2/√hr ±150°/sec
< 0.1 mg
3°/hr
0.04 (m/sec)/√hr ±10g
0.2/√hr ±490°/sec
< 0.05 mg
0.05°/hr
0.07 (m/sec)/√hr
0.012/√hr
Standalone Mode Horizontal/Vertical Accuracy 1.5 m / 2.5 m
Differential Mode Horizontal/Vertical Accuracy -
1.5 m / 2.5 m
0.05 m / 0.1.m
1.0 m / 2.0 m
0.05 m / 0.1 m
Standalone Mode Roll-Pitch / Heading Accuracy ±0.2° / ±0.5°
Differential Mode Roll-Pitch / Heading Accuracy -
Tactical (internal IMU) Tactical-RTK (L1/L2) Tactical-RTK SAASM ±0.2° / ±0.5° ±0.1° / ±0.3° (internal IMU) Advanced (L1/L2) Advanced SAASM ±0.05° / ±0.1° ±0.01° / ±0.05° (external FOG) NOTE: Accuracy must be measured once dynamic alignment is complete * Accuracy is dependent upon GPS satellite system performance, ionospheric conditions, GPS blockage, data link and other factors
Configuration (IMU) All Tactical Configurations All Advanced Configurations
Navigation solutions (position, velocity, acceleration, attitude, angular rate, …) Raw GPS and IMU data (for post processing with Geo-Post) Full diagnostics Fiber Optic Gyro is standard in Advanced configurations. Built-in support for: Honeywell HG1900 Honeywell HG1700 Honeywell HG9900 Litton LN200 Other IMU’s on request Internal safety and monitoring Systems Internal BIT with operator notification Cold Start: 60 s 1 PPS/Time-of-Day: 60 s Power/status LEDs Remote/local status, configuration, event log, software update through web interface
Navigation Data Output Rate Up-to 125 Hz Up-to 100 Hz
Temperature in Operation: -40°C to +65°C Temperature in Storage: -45°C to +85°C Humidity: 95% RH, non Condensing Altitude: 35,000 ft Mechanical (MIL-STD-810G): Vibration: 7.7 g rms, 20 to 1000 Hz Shock: 20 g, 11 ms Size: 120 x 100 x 55 mm (4.7” x3.9” x 2.2”) • Weight: 0.75 kg (1.7 lbs.) • Mounting: On a plate, 4 through holes Input Voltage: 10-30 VDC Tactical Configurations: 9 W typical, Advanced Configurations: 13 W typical
