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Working RTK Base Station for less than $1,000
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Phainein7
Posted 6/6/2024 12:01 (#10765704 - in reply to #10764877)
Subject: RE: Working RTK Base Station for less than $1,000


Tipton, KS		Different geo based standards have evolved over time, and below, the author has indicated different ellipsoid models exist. I have no idea if/how XY coordinates are affected with an incorrect ellipsoid height. I assume this coordinate info is sent to the rover, which crunches the data..

Via A Guide to Coordinate Systems in Great Britain: An introduction to mapping coordinate systems and the use of GNSS datasets with Ordnance Survey mapping
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3.1.1 Latitude, longitude and ellipsoid height

The most common way of stating terrestrial position is with two angles, latitude and longitude.
These define a point on the globe. More correctly, they define a point on the surface of an ellipsoid
that approximately fits the globe. Therefore, to use latitudes and longitudes with any degree of
certainty, you must know which ellipsoid you are dealing with.

https://www.ordnancesurvey.co.uk/documents/resources/guide-coordinat...
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