GDD Product Evolution Since 1977

1977-78 : The `` Prospecting Sulky``, Beep Mat ancestor to detect boulders.

1980 : The Beep Mat pulled by a horse
1983 : The first Beep Mat pulled by a human (wood version)

1977 : The electronic level. See flyer

The ``Prospecting Sulky`` pulled by a vehicle.

1977-78 : The ``Prospecting Sulky`` module.

1980 : The rubber Beep Carpet pulled by a vehicle.

1980 : The Beep Cane. See flyer.

1981 : The Beep Boot to detect conductors step by step

The module for the Beep Carpet, Beep Cane and Beep Boot

1978 : The chain level used in summer time.

1978 : The chain level used in winter time. See flyer

1978 : The SWP1 receiver, ancestor of all digital receivers. Developed by Soquem inc., it has been adapted to fields conditions and finalized by Instrumentation GDD See SWP1 flyer

Instrumentation GDD - Model NordicEM24 - TDEM - Receiver for Ground Electromagnetic Surveys - Brochure