The G-822A is designed for use in airborne survey applications where a combination of high sensitivity and rapid sampling of the Earth's magnetic field are required. The system consists of a cesium-vapor sensor with its associated cables and driver electronic package, and a separate high resolution counter.
The G-822A operates on 24-32 VDC power, receiving power and passing its analog output over the same BNC coaxial connection. The G-822A sensor incorporates advanced design features to ensure excellent performance with respect to instrument noise, heading error, and absolute accuracy. The G-822A also provides automatic hemisphere switching to provide superior data quality in equatorial regions. The sensor/electronics package is splash-proof, temperature controlled and delivers full performance under extreme operating conditions.