Aeroquest International Limited : providing airborne geophysical technologies and services

GEM 5 - Using the gem

GEM 5 - Technical Specifications

Programmable Operation

Swath:		210 cm (7 ft)
Dimensions (variable):		30cm x 50 m x 210cm
Coils configuration:		Coaxial
Transmitter current:		20 amp RMS max
Power supply:		12 VDC
Frequency range:		90 Hz to 96 kHz
Number of frequencies:		10 - 12
Sampling rate:		30 Hz
Output:		Inphase and quad in ppm Apparent conductivity Magnetic susceptibility Powerline amplitude

Realtime GPS input for navigation

Remote operation options vehicle towed, for instance

Program upload and data download: WinGEM

Ppm to conductivity and susceptibility conversion

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