HeliGEOTEM

HeliGEOTEM System Specifications

Fugro Airborne Surveys offers the HeliGEOTEM™ System, incorporating the proven characteristics of the GEOTEM® system.

HeliGEOTEM™ combines the greater horizontal resolution and flexibility of helicopter mounted time-domain EM systems and the proven GEOTEM / MEGATEM technology consisting of:

• Measurement of three components (X, Y, Z) of the secondary anomalous response;
• On time measurement;
• Measurement of both dB/dt and B Field; and
• Access to a full suite of proven processing and interpretation packages.

Geophysical Specifications

• Dipole moment of up to
  750,000 Am2
• Waveform Frequency:
  30 Hz / 4 ms
• Waveform: Half Sine
• Receiver: GEOTEM® Multi-Component
• Magnetometer: Cesium Vapour

Physical Specifications

• Transmitter Loop Diameter: 14 metres, 4 turns

Survey Parameters

• Helicopter Speed: 50-60 knots
• Helicopter MTC: 100 metres
• Transmitter Loop MTC: 40 metres
• Receiver Bird MTC: 80 metres

HeliGEOTEM response over the Caber deposit (PDF 302kb)

HeliGEOTEM in action Flash 1,030KB or Windows Media 3,389 KB