Category Archive
for: ‘equipment’

GEM Systems and Geometrics Magnetometer Backpack. $2,950

Modern Mag has developed a carbon fibre and aluminium backpack for use with GEM systems, Scintrex or a Geometrics magnetometer. This pack is lighter and much more comfortable than the backpacks shipped from the manufacturers. For example, students call the Geometrics magnetometer G858/859 the “rack of pain”! Comfortable A prominent Australian hiking brand has designed […]

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GEM Systems Magnetometer spare parts

We have a lot of magnetometer spare parts for sale. Modern Mag has developed our own backpack to hold magnetometers from GEM Systems, Geometrics and Scintrex. As a consequence, we have a LOT of used spare parts for GEM Systems backpacks and magnetometers. Some of the spares we have for sale are: GSM-19 and GSMP35 […]

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Used Overhauser magnetometer for sale

  Ideal for UAV or ground magnetic base station. Recently serviced by GEM. We have for sale a used GEM Systems GSM-19 Overhauser gradiometer. It would be ideal for a base station used in tandem with a UAV magnetometer or a roving ground mag system. Can sample at 3s. Much more accurate than a proton […]

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Magnetometer batteries

Scintrex and Geometrics magnetometers require heavy sealed lead acid magnetometer batteries greater than 7.2Ah in size. In contrast GEM Systems uses lightweight lithium Ion batteries and SLA batteries only 2.2Ah in size. While the SLA batteries are conveniently built in to the console, they do however need to be protected against a short circuit against […]

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Overhauser Magnetometer sale

For a limited time you can save thousands off the new price of a GEM Systems GSM-19 overhauser base station or rover magnetometer. Fast sampling rover (GSM-19W overhauser) magnetometers are currently CAD$11,850 and base station GSM-19 overhausers are currently priced at CAD$9,000. Overhauser magnetometers have a sensitivity of 0.02 nT and are ideal for base […]

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Ultra-high resolution Marine Magnetic surveys

Modern Mag now has marine magnetic survey capabilities. The Royal Melbourne Yacht Squadron (RMYS) recently developed a new marina. While the sea floor had been dragged with a chain to collect items on the sea floor, management was concerned that there was still lots of junk on the sea floor that could be hit by […]

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Wanted. Geophysics. VLF equipment for hire.

Modern Mag requires VLF equipment for a short hire in Australia or Sri Lanka. The crew will mobilise from Australia, but the survey is in Sri Lanka. GEM systems equipment is preferred, but not essential. We also have experience with ABEM VLF equipment. Please contact Justin on +61 3 9399 8896

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A compact, lightweight and reliable magnetometer backpack

Ground based magnetometer systems haven’t changed much in 12 years. The most recent change was in 2001 with the inclusion of a GPS in most magnetometers when selective availability was turned off. This greatly increased the efficiency of surveys since only one operator was required to conduct a survey and they could walk continuously without […]

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A ground magnetometer survey gone bad. Very bad.

A news report from Tsodilo Resources (TSX:TSD) on July 22nd 2013 caught my eye: A total of 63.70 line kilometers [of ground magnetics] was covered during the month of June as area totaling 2.53 km2. The expected monthly target is 360 line kilometers for the month and the shortfall is largely attributed to machine malfunction […]

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Used GSM-19 Overhauser magnetometer for sale. With GPS and navigation.

Modern Mag currently has for sale a < 1 year old GEM Systems GSM-19 Overhauser magnetometer with built in GPS and navigation. This magnetometer has mostly been used as a base station and thus is near new. It has the latest Novatel OEMstar GPS and firmware. The console also has the latest firmware and navigation […]

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