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Relativistic geodesy article  

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GeeOddMike
(@geeoddmike)
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February 12, 2018 10:55 pm  

http://www.independent.co.uk/news/science/gravity-atomic-clock-measurement-portable-first-time-national-physical-laboratory-a8206871.html

The Independent web site has an interesting article on relativistic geodesy titles:

“Gravity measured for first time using a portable ‘atomic clock’”

01EEE49F 89FC 4074 8736 A6D7647C87C7

The article on which the article was based is available in full here:

https://www.nature.com/articles/s41567-017-0042-3

DMM

The power of instruction is seldom of much efficacy except in those happy dispositions where it is almost superfluous. ” (Gibbon)


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Bill93
(@bill93)
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February 13, 2018 6:14 am  

That would be a great tool for NGS if they can take it another order of magnitude. 

As I read the article, they are saying that if they rebuilt their equipment using the very best techniques they have identified to control every variation, they think they could achieve 10 cm elevation uncertainty.


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MightyMoe
(@mightymoe)
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February 13, 2018 8:01 am  

Levels by clock, where do I buy one?


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Bill93
(@bill93)
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Posts: 4551
February 13, 2018 8:43 am  

Did you notice the size of their equipment?  That and the fact that it is cutting edge research means you won't see it marketed for quite some time.


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MightyMoe
(@mightymoe)
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February 13, 2018 9:09 am  

Give it a few years, they will come out with a phone app. 😀 

 


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