does anyone know much about geometrics 822 cesium vapor magnetometer? what is sensitivity? and how much would it be worth in good used condition? can it be updated as far as the datalogging? thank you;;;;; johnny
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Originally posted by carthage View PostBut for me, If I have enough $$ I will only consider Willy PPM.
Good Luck.
Besides, a ceasium vapor mag is VERY sensitive and fast but it has a wide dead zone and there are a lot of orientation precautions to take during the surveys.
A simple PPM like ours gives a good signal in ANY orientation provided the main axis of the coils are kept horizontal (in a narrow equatorial band, it must be kept vertical).
We have now received and tested a new batch of boards for the MarkIV systems and we are testing a GPS option based on an internal GPS chip.
Our PPM costs only half the price of that EBAy 'bargain' and it is NEW and guaranteed ot work as specified.
http://users.skynet.be/fa352591/index.htm
Willy
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Originally posted by Johnny View Postdoes anyone know much about geometrics 822 cesium vapor magnetometer? what is sensitivity? and how much would it be worth in good used condition? can it be updated as far as the datalogging? thank you;;;;; johnny
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Originally posted by Willy Bayot View PostVERY GOOD IDEA!!!
Besides, a ceasium vapor mag is VERY sensitive and fast but it has a wide dead zone and there are a lot of orientation precautions to take during the surveys.
A simple PPM like ours gives a good signal in ANY orientation provided the main axis of the coils are kept horizontal (in a narrow equatorial band, it must be kept vertical).
We have now received and tested a new batch of boards for the MarkIV systems and we are testing a GPS option based on an internal GPS chip.
Our PPM costs only half the price of that EBAy 'bargain' and it is NEW and guaranteed ot work as specified.
http://users.skynet.be/fa352591/index.htm
Willy
Great that GPS chips will be based in the PPm, and what I am wondering if the automatic analysis of any plot in 3D will be introduced into the interface of the PPM?
Bon courage for your next challenge Willy.
Regards.
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Originally posted by carthage View PostHi Willy;
Great that GPS chips will be based in the PPm, and what I am wondering if the automatic analysis of any plot in 3D will be introduced into the interface of the PPM?
Bon courage for your next challenge Willy.
Regards.
The colored contoured 2D plots are perfectly readable. The targets are where the contour lines come very close to each other making the equivalent on a geographical map to mountains and valleys. The 3D plots are nice but they can not easily define the exact coordinates of the target(s) on the survey grid.
See this survey grid: http://users.skynet.be/fa352591/PPM%...s/image068.jpg
Willy
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