Gyros & INS
Autonomous true-north finding without satellites: gyrocompass systems (CA series) and north seekers (NS series) with 0.1–0.3° class north-finding accuracy.
Series Overview
| Model | Key specification | Evidence |
|---|---|---|
| Gyrocompass CA series | north-finding accuracy ≤0.1/0.3° · settling ≤3 min · −40~+60 °C | Manufacturer spec |
| North Seeker NS series | 0.1–0.3° class · 4–9 s north-finding time · −40~+55 °C | Manufacturer spec |
Applications
Mining and drilling alignment · antenna and radar north-alignment · ship and vehicle initial alignment · tunnel surveying.
No GNSS needed?
Correct — gyrocompassing finds true north from Earth rotation alone, ideal for GPS-denied initial alignment (manufacturer specification).
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