INS - Inertial Navigation Systems

3DM-GQ7-GNSS/INS

Tactical Grade Dual Antenna, Multi-Band, RTK, Industrial Package

The MicroStrain 3DM-GQ7-GNSS/INS is an all-in-one navigation solution featuring centimetre-level position accuracy. It is our first dual-antenna, RTK enabled INS designed for outstanding performance, even in unpredictable conditions. It is equipped with dual multiband GNSS receivers, low noise and low drift MEMS inertial sensors, and a robust adaptive Kalman filter.

MicroStrain by HBK

Williston, US

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Description

Sensor

Up to 1 cm + 1 ppm positional accuracy with RTK
Multi-frequency GNSS receivers provide 1.2m single point L1/L2 position accuracy
Multi-constellation receivers with 184 tracking channels each allow for rapid signal acquisition and robust signal tracking in challenging GNSS environments
Dual GNSS antenna heading with 0.2° heading accuracy that is immune to magnetic disturbances
Tactical grade IMU with <2°/hr bias instability provides exceptional position accuracy during GNSS outages
0.1° pitch/roll accuracy

Operation

Accepts standard RTCM real-time kinematic (RTK) corrections
Adjustable sampling rates up to 1KHz
34 state auto-adaptive EKF
Independently configurable IMU, GNSS, EKF outputs
Forward compatible MIP Protocol optimizes bandwidth
SensorConnect software for configuration, control, display, and logging
MSCL open-source API for easy integration

Package

Anodized Aluminum
Precision alignment features
Highly compact and low profile
- 76 mm x 68.6 mm x 13.3 mm
- 78 grams
USB and RS-232 interfaces
–40 to +85°C operating temperature range

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Specifications

General: Type of application

Air, Land, Marine

Year of initial development

2020

Height [mm]

13.31

Width [mm]

68.58

Length [mm]

68.58

Weight [kg]

78

GNSS Positioning Sensor: Number of integrated GNSS receivers and antenna ports

2

GNSS positional accuracy: Horizontal Position Accuracy [ RMS in cm ]

2

Horizontal Position Accuracy (SBAS) [ RMS in cm ]

0.05

Horizontal Position Accuracy (RTK) [ RMS in cm ]

0.1