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AI Overview

Leading manufacturers of true north seekers—devices that determine true north via gyroscope, fiber optic (FOG), or MEMS sensors without GNSS—include

Ericco Inertial Technology (MEMS), SBG Systems (MEMS), Advanced Navigation (FOG), Stockholm Precision Tools (GyroTracer), and True North Technologies . These tools provide high-accuracy heading for defense, drilling, and surveying applications.

Key Manufacturers and Technology Types

MEMS-Based North Seekers :
- Ericco Inertial Technology: Produces high-precision, low-cost MEMS north finders, including 3-axis and specialized miniature models for drilling.
- SBG Systems: Recently launched a MEMS-based North-seeking IMU, a high-performance, compact, and reliable alternative to FOG.
- Micro-Magic Inc: Offers both MEMS (NF1200) and FOG-based (NF3000G) north seekers.
Fiber Optic Gyro (FOG)-Based North Seekers :
- Advanced Navigation: Known for the Boreas series, featuring small, high-precision, FOG-based north-seeking systems.
- Stockholm Precision Tools (SPT): Manufactures the GyroTracer™ for surveying and drilling applications.
Electronic Compass / Magnetometer North Seekers :
- True North Technologies: Specializes in electronic compasses for industrial and marine applications.

Application Areas
These devices are widely used for:

Defense & Aerospace: Heading initialization for vehicles, drones, and navigation systems where GPS is denied or degraded.
Mining & Oil Drilling: Downhole surveying and borehole, with specialized, slim-form factor tools, such as those from Ericco and SPT.
Surveying & Mapping: High-precision, ground-based, and marine navigation.

MEMS Based North Seeker - Micro-Magic Inc
In applications where true-north reference is needed with compact size and cost efficiency—such as UAVs, ground vehicles, mobile m...

memsmag.com
MEMS North Seeker Manufacturer - Ericco Inertial Technology

Ericco Inertial Technology
SBG Systems Unveils First MEMS-Based North-Seeking IMU
Apr 3, 2025 — SBG Systems introduces a MEMS-based North-seeking IMU, delivering high-precision navigation without GNSS aiding—advancing inertial...

Unmanned Systems Technology

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MEMS Based North Seeker

memsmag.com

https://www.memsmag.com › mems-based-north-seeker

memsmag.com

https://www.memsmag.com › mems-based-north-seeker

Built around MEMS gyroscopes and accelerometers, it determines true north by sensing Earth's rotation and gravity, delivering dependable heading initialization ... Read more

North Seeker Factory - Ericco China

Ericco Inertial Technology

https://www.ericcointernational.com › north-finders

Ericco Inertial Technology

https://www.ericcointernational.com › north-finders

The north finder/north seeker is an inertial device that measures the true north azimuth . It is mostly used in mining, oil drilling, tunnel construction and ... Read more

(820)

Missing: ~~manufacturer~~ ‎| Show results with: manufacturer

FOG Based North Seeker

memsmag.com

https://www.memsmag.com › fog-based-north-seeker

memsmag.com

https://www.memsmag.com › fog-based-north-seeker

Built around a Fiber Optic Gyroscope (FOG), it determines true north by sensing Earth's rotation, providing high accuracy and strong stability even in vibration ... Read more

mf307ex– high-precision gyro-based true north finder ...

rioninclinometer.com

https://www.rioninclinometer.com › sale-50557578-mf3...

rioninclinometer.com

https://www.rioninclinometer.com › sale-50557578-mf3...

Autonomous gyro-based true north finder with 0.5° accuracy, ±15° tilt compensation, and rapid 2-3 min alignment. Ideal for drones, vehicles, and military ...

$8,380.00 In stock Review by anonymous

Missing: ~~manufacturer~~ ‎| Show results with: manufacturer

SBG Systems Unveils First MEMS-Based North-Seeking IMU

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › 2025/04

Unmanned Systems Technology

https://www.unmannedsystemstechnology.com › 2025/04

Apr 3, 2025 — Unlike traditional gyrocompasses, this solution features a true MEMS- based design with no moving parts—eliminating the need for carouseling ... Read more

MEMS North Seeker Manufacturer - Ericco China

Ericco Inertial Technology

https://www.ericcointernational.com › North Seeker

Ericco Inertial Technology

https://www.ericcointernational.com › North Seeker

Ericco provides high precision and economical MEMS north seeker /finder/seeking system/alignment system to the customers worldwide. Read more

(820)

The case for true north seeking gyros over magnetic heading.

Sonardyne

https://www.sonardyne.com › advancing-navigation-the-...

Sonardyne

https://www.sonardyne.com › advancing-navigation-the-...

Sep 10, 2024 — At Sonardyne, we only use true north seeking gyrocompasses, not magnetic sensors, in our SPRINT-Nav range of hybrid-navigation products. Read more

Boreas 50 Series offers Smallest North-seeking FOG

Advanced Navigation

https://www.advancednavigation.com › News

Advanced Navigation

https://www.advancednavigation.com › News

Sep 3, 2025 — The Boreas 50 Series delivers resilient navigation for missions in highly contested environments, engineered for military pointing platforms ...

North Seeker Sensor

memsmag.com

https://www.memsmag.com › north-seeker-sensor-908

memsmag.com

https://www.memsmag.com › north-seeker-sensor-908

High-accuracy, high-stability true-north finding for demanding navigation and alignment tasks. MEMS Based North Seeker . Compact, low-power, and cost-efficient ... Read more