The Geotech VTEM Time Domain Helicopter EM System Available to Purchase

The Geotech Ltd. VTEM heli-time domain EM system entered into commercial service in late 2002 after a developed program that started in early 2001. Since then, the system has performed surveys in Canada, the USA, Brazil and southern Africa for a range of mineral deposit styles in a variety of geological settings. The VTEM system bears similarity to many of the past and currently operating heli-time domain system designs but has likely focused more than other developments on operational simplicity and flexibility in how the system is configured. A very high dipole (coupled with very low system noise levels) is deemed a major differentiating factor of the system compared with others in current operation. In terms of applications, VTEM is seen as an effective bridge between existing airborne electromagnetics technologies; combining the high spatial resolution associated with helicopter systems but with a depth of investigation that traditionally fixed wing systems were required to achieve.