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

IP Transmitters model TXII and TXIII - Flyer