[email protected] wrote:
When you start getting to less than a meter.. For absolute, you need to
start worrying about stuff like solid earth tides, plate movement, a whole
host of things are all contributors in that 10-100 cm range.
Absolute and relative... can be a word game. It depends what DATUM
(coordinate system) you want to have your answer in.
I use relative to mean "between measurements that are made locally" and
absolute to mean "relative to astronomical reference" (e.g. some ECI frame)
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