The gX-300 is a unique INS/GNSS – compass system, utilizing a 2-antenna accurate satellite-based compass which provides accurate azimuth yaw angle at static & dynamic conditions, with enhanced accurate attitude angles.
The gX-300 contains tactical-grade MEMS-Based GNSS/INS unit, xomprised of 9-DoF inertial sensors (3-axis accelerometers, 3-axis Gyroscopes , 3-axis magnetometer), along with hi-performance survey-grade multi-frequency/multi-constellations RTK GNSS , supporting an accurate heading algorithm At static & dynamic conditions, overcoming problematic magnetometer heading systems which suffers from magnetic interferences.
Built-In Unscented-Kalman-Filter algorithm running on Cortex-H7 floating-point/double-precision processor at 480 MHz clock speed
providing static heading solution, PVT along with quaternions, DCM matrix, attitude angles and calibrated compensated raw data.
Roll/Pitch < 0.1⁰
Tactical-Grade Accelerometer < 1mg over Full Temp Range
Gyro Bias Stability 0.8 °/Hr
Low VRE < 100 µg/g2
Update Rate 1,000 Hz
Low Power Consumption 250 mA @ 12VDC
Rugged Design Mil-Spec Compliance
ITAR/MTCR-Free
Camera Gimbal
Tracking Antenna Systems
Optical Systems
Armored Vehicles
UAV/UGV
Target Acquisition systems
Radar North Finding system
Inertial Navigation (GNSS/INS)
| Magnetic | 2.0° |
| GNSS - Dynamic | 0.1° |
| Dual-Ant (static) | 0.15° (1m) |
| Pitch/Roll | |
| - Dynamic | 0.10° |
| - Static | 0.05° |
| Position - Horizontal | 1.5 m |
| SBAS | < 0.5 m |
| RTK | 10 mm + 1ppm |
| Position - Vertical | 2.5 m |
| SBAS | < 1 m |
| RTK | 1.5 cm + 1ppm |
| Velocity Accuracy | < 0.03 m/sec (rms) |
| Output Rate | 200 Hz |
| Latency | < 5 msec |
| Receiver Type | Multi – Frequency / Multi – Constellations 1408 Channels GPS L1/L2 Glonass L1/L2 SBAS RTKBDS B1/B2 Galileo E1/E5b QZSS L1/L5 |
| Update Rate | 20 Hz |
| TTFF | Cold start < 30 sec Warm start < 1 sec |
| RTK format | RTCM v2.3/3.0/3.2 |
| Initialization Time | < 5 sec |
| Velocity Accuracy | 0.03 m/sec (rms) |
| Time Accuracy | 20 ns (rms) |
| IMU | Raw Data & Compensated Gyro, Acc, Mag, Baro, Conning & Sculling (ΔV ,ΔΘ) |
| GNSS | UTC, Position, RTK |
| Attitude | Roll/Pitch/Yaw Quaternions, DCM, Euler |
| Inertial Navigation | Velocity, Position, Attitude |
| GNSS - Compass INS | Heading Static |
| Accelerometer | Gyroscope | Magnetometer | |
|---|---|---|---|
| Full Scale Range | ± 10g | ± 500° /sec | ± 4000 µT |
| Bandwidth | 0…250Hz | 0…250 Hz | 0…50 Hz |
| Non Linearity | 0.2% | < 0.05 % | 0.1% |
| Bias | |||
| - Stability | < 20 µg | < 0.8 °/Hr | |
| - Repeatability ToTo | ± 300 µg | < 20 °/Hr | |
| Day to Day | < 400 µg | < 15 °/Hr | |
| One Year | 1500 µg | ||
| Over Full Temp | <500 µg | < 60 °/Hr | |
| Over 20°C Span | <150 µg | < 20 °/Hr | |
| Hysteresis | 300 µg | < 30 °/Hr | |
| Scale Factor | |||
| - Repeatability | 500 ppm | 100 ppm | |
| - over Temp | 100 ppm | 100 ppm | |
| Random Walk | 0.02 m/sec/√Hr | 0.07 /√Hr | |
| Resolution | 50 µg | 0.008 °/sec | 1 mGauss |
| Noise density | <20 µg /√Hz | <0.003 °/sec/√Hz | 300 nT RMS |
| Vibration Rectification | 100 µg/g2 | <1°/hr/g2 | |
| G-Sensitivity | <10°/hr/g | ||
| Latency | < 1 mSec | ||
| Non-Orthogonality | <300 µRad | ||
| MisAlignment | <1 mRad | 2 mRad |
| Digital Interface | RS232/RS422 |
| Frame Rate | 1000 Hz Max |
| Peripherals | 2 x GPIO /// 1 x RS232 |
| GPIO Functionality | Trigger Input Sync Out PPS Out Odometer External GNSS External Magnetometer Air-Data |
| Start Up Time | < 800 msec |
| Input Voltage | 9 VDC – 32 VDC |
| Power (incl. Antenna) | 360 mA @ 12VDC |
| Connectors | Power/Data: Mini D-Type 21-pin GNSS: SMA |
| Size | 80 x 66 x 56 mm |
| Weight | <250 gr |
| Temp Operation | -40° C to +71° C Mil-Spec 810-G Method 501.5 Procedure I |
| Shock | 500g, 3mSec ½ Sine Mil-Spec 810-G Method 516.6 Procedure V |
| Vibration | 12 G rms, 20-2000 Hz Mil-Spec 810-G Method 514.6 Category 17 |
| Altitude | 70,000 feet Mil-Spec 810-G Method 500.5 Procedure III |
| Power | EN55022 Class A&B |
| Enclosure | IP65 EN 595 |
| MTBF | 50,000 Hours Mil-HDBK 217 |
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