Aeroquest International Limited : providing airborne geophysical technologies and services

GEM 2

GEM 2 - Technical Specifications

Programmable Operation

Bandwidth:		300 Hz to 96 kHz
Frequency Domain:		Single frequency Multiple frequencies
Typical sampling rate:		30 Hz
Ski:		Removable fiberglass foam 2 kg, L 183cm, W 12.5cm
Coil configuration:		coplanar
Maximum TX moment:		3 Amp m2 at 330 Hz
Rechargeable battery:		12 VDC
Output:		Inphase and quadrature 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 1-D layered earth inversion

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