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VLF Systems

The Very Low-Frequency (VLF) survey technique is a passive electromagnetic method that utilizes distant, globally positioned transmitters to induce secondary responses in conductive geologic units to determine overlying conductive materials in the subsurface. Systems available for UAV and airborne platforms.

GSM-90AVU VLF-EM UAV System

UAV VLF system available with two or three sensors.

GSM-90AV VLF-EM Airborne System

Airborne VLF system with two sensors.