A shaded relief map of South Asia rendered from 3d data and satellite imagery [OC]Submitted by visualgeomatics t3_11qxfc5 in dataisbeautiful
ZarafFaraz t1_jc6pi50 wrote
Reply to comment by KyojinkaEnkoku in A shaded relief map of South Asia rendered from 3d data and satellite imagery [OC] by visualgeomatics
How do they even measure that?
KyojinkaEnkoku t1_jc6pq5v wrote
Short Answer: GPS, I can explain further if you'd like?
ZarafFaraz t1_jc6q0qy wrote
Well what amazes me is how they pull off such accuracy.
KyojinkaEnkoku t1_jc6r3vf wrote
Multiple readings utilizing multiple satellites throughout the year.
xxthundergodxx77 t1_jc77l3c wrote
Minimum of 4 satellites at any time baby
Impressive_Word5229 t1_jc9c4fw wrote
They drop a string from the top and measure the string!
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