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Since 1980

Request a quote for VLF-EM 3 Frequency System and VLF-EM 2D Resistivity and Presentation Software

GROUND VLF – EM and VLF Utility Software for Resistivity sections and Conductor mapping

The GEM GSM 19V portable VLF system is a portable robust tool for cost effective environmental and exploration purposes. 3 User selected frequencies avaialble. Data when coupled with Software, can provide resistivity sections.
You’ll get premium performance, a strong three year warranty and a rugged field-tested unit at a very attractive price. You’ll benefit from:

  • Reliability
  • Robustness
  • High quality data and results
  • Integrated navigation with GPS
  • Unique technology
  • Multiple frequencies
  • Upto 100m depth penetration


  • Airborne VLF-EM Option  ALSO Available. This technology can delineate contrasts in conductivity at depth and is used in the search for contacts, faults, mineralized bodies, overburden, fractures, voids and for a variety of other purposes, including the location of utility lines and sighting of water wells. Now with new software for Resistivity plotting.

2016-04-22 15.50.40

See Airborne Quote form if you would like one of these.

Simply fill in the short form below and we’ll send you a quotation.

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VLF-EM 3 Frequency System or VLF-EM 2D Resistivity Software

  VLF-EM 3 Frequency System VLF-EM 2D Resistivity Software or software only

Global Positioning System (GPS)

  1 Standard GPS (GPS & Glonass)
      .6m SBAS
1.5 m non SBAS
  2 Enhanced GPS (GPS & Glonass & Galileo & Beidou)
      0.6 m resolution, built-in with SBAS (WAAS/EGNOS/MSAS)
.04m resolution built in with Novatel correct subscription (available through GEM)
  3 GPS Time only - for base station time sync.

Magnetometer Option

  Yes No

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