Key Features

• Centimeter Level Positioning
• Multiple IMU Configurations
• Dual GPS Configurations
• High Navigation Output (125 Hz)
• MIL-STD 810G Shock & Vibration
• -40°C to 65°C Operating Temp


Quick Overview

Geo-hNAV is a ruggedized, fully-integrated hybrid dual-GPS-aided inertial navigation system which delivers consistent position and attitude measurement accuracy whether the platform is static or moving.


Please email or call 01527 512400 for a quote

Product Code


Geo-hNAV Configurations

Please Refer To The Geo-hNAV Configurations Table On The Geo-hNAV Datasheet

IMU Perfomance

Please Refer To The IMU Perfomance Table On The Geo-hNAV Datasheet

Position Accuracy

Please Refer To The Position Accuracy Table On The Geo-hNAV Datasheet

Dynamic Attitude Accuracy

Please Refer To The Dynamic Attitude Accuracy Table On The Geo-hNAV Datasheet

Static / Low Dynamic Attitude

Please Refer To The Static / Low Dynamic Attitude Table On The Geo-hNAV Datasheet

Output Rates Through Serial

Please Refer To The Output Rates Through Serial Table On The Geo-hNAV Datasheet


External Power Connector
Dual TNC GPS Antenna Connector
1 x Ethernet Data Port
3 x RS232 Serial Ports
1 PPS Output
IMU Connector For External IMU
4 Status LEDs


10V to 30V DC Voltage Input
– 8W Internal IMU
– 15W to 20W External IMU (External IMU Powered By Main Unit)
– 10W Internal IMU
– 10W to 13W External IMU (External IMU Powered By Main Unit)

Data Recording / Logging

Navigation Solutions:
– Position
– Velocity
– Acceleration
– Attitude
– Angular Rate
Raw GPS & IMU Data (For Post Processing)
Full Diagnostics

External IMU Support

KVH 1750 is Standard In Advanced Configurations.
Geo-hNAV Can Be Configured With:
– Honeywell HG1900
– Honeywell HG1700
– Honeywell HG9900
– Litton LN200
– KVH 1725
– KVH 1775
– Other IMU’s On Request

RTK Algorithm

Precise Instantaneous Network (PIN)
Positioning With Geodetics
Epoch-by-Epoch Technology

Safety & Diagnostics

Internal Safety & Monitoring Systems
Internal BIT With Operator Notification

Operating Temperature

Civilian Operating Temperature: -40°C to 65°C
SAASM Operating Temperature: -20°C to 55°C

Dimensions (L x W x H)

120 mm x 100 mm x 56 mm