Helicopter Surveys

Now operating the Heli-GT System of Scott Hogg & Associates Ltd.


New 3 Axis Magnetic Gradiometer
Technical Highlights
The towed bird is the entire survey system. It contains:

4 cesium sensors
radar altimeter
3-axis fluxgate magnetometer
AHS to measure pitch, roll and yaw

Total system weight is less than 250 lb.

No racks or helicopter modifications are required.

Equipment can be removed or re-installed in 10 minutes to allow occasional alternate use of helicopter.

The system measures:

The Total Magnetic Field plus 3 Geo-Referenced magnetic gradients G-East, G-North and G-vertical, which are independent of bird orientation.

Scott Hogg & Associates Ltd.
Geophysical Services
1Deepwood Cres
Toronto, Canada, M3C 1N7

Tel: (416) 444-8245