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Tag: ‘magnetometer’

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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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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UAV airborne magnetic surveys. Off the shelf and ready to go.

“let’s strap a magnetometer onto our UAV. Easy. We’ll make millions. Millions I tells ya doing UAV airborne magnetic surveys!!”   Get in line people. I have fielded one call/email per week for about two years from people wanting to strap a magnetometer to their toy plane. At this point I may sound a bit […]

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Ground Magnetic Survey Safety. Modern Mag now standard 11 certified.

Modern Mag now has a crew with standard 11 mining course induction certificates. This complements our current Job Safety Analysis (JSA) and Toolbox safety practices we apply to ground magnetic surveys. Our crews have current first aid certificates and are experienced off road drivers. We take safety seriously. All of our safety equipment is either […]

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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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Caesium Magnetometers. When Sales and Science Collide.

Modern Mag has created a backpack that can replace the standard backpack that ships with a prominent American Caesium magnetometer. To design this backpack I had to study and understand the Caesium magnetometer specifications. I have used this magnetometer many times in the past (my university owned one), but still wanted to check the latest […]

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Don’t do a ground magnetic survey without GPS navigation built into the magnetometer.

Most magnetometers can tell you where they have been, but only a few can tell you where to go. For efficiency, ground magnetic surveys are usually conducted along parallel survey lines – or grids. In the bad old days prior to GPS, these grids would have to be laid out at great expense prior to […]

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How to walk straighter and further with less effort when conducting ground geophysical surveys.

Some walk the line straighter than others. Walking straighter lines when conducting ground geophysical surveys increases the production l-km in a day. Alternatively, if there is a fixed amount of work to do in the day, then straighter lines means less walking and less stress on the body. Walking straight in thick vegetation is never […]

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GEM Systems magnetometer navigation firmware now works. Many improvements coming soon!

Modern Mag in conjunction with GEM systems magnetometers is trialing new firmware for the GEM-19 and GSMP-35 series of magnetometers. For many years there has been a fatal flaw in the real time magnetometer navigation function. A programming error caused the lane guidance and distance to end of the line functions to fail, particularly for very long […]

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Base station magnetometers for ground mag surveys.

While any kind of magnetometer can be used as a base station magnetometer to record temporal variations in the geomagnetic field, some are more accurate and convenient than others. It is convenient to use a base station from the same manufacturer since the software that comes free with those magnetometers can diurnally correct that data. […]

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