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Non-Tech : Kirk's Market Thoughts

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To: Winfastorlose who wrote (7915)	12/2/2019 7:45:21 AM
From: the longhorn	of 26754

Good morning to the thread: This is a bit OT but interesting. Nice video giving background on the GPS system, who maintains it, etc. GPS III being rolled out now and will be implemented over the next 4 years. mail.google.com . GPS has become a "taken for granted" foundation of a lot of our modern technology. Land surveying is all done with GPS for example. Just had a piece done. They run an aerial up and calibrate their receivers at two or three known local points, then dial in. I think they can work to within a foot. lh

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