Ideal for UAV or ground magnetic base station.
Ideal for ground magnetic survey roving (walking) magnetometer.
We have for a sale a modern GEM Systems GSM-19W overhauser magnetometer. This unit has recently been serviced by GEM and has the latest firmware.
It includes GPS and navigation.
The overhauser magnetometer is far superior to a proton unit and uses much less power and has smaller/lighter batteries.
Can ship anywhere.