Hello everyone
I'm trying to evaluate the performance of RTKLIB PPP. I'm using satellite data from several stations. The issue I'm having is with converting the coordinates. RTKLIB uses WGS84, in contrast, Some stations' true coordinates are given by ETRS89, and to get east, north, and height, they must be translated to OSGB36 too. While the other stations use the IGS2020 frame.
According to 'Coordinate transformation tool - OS-Net | Ordnance Survey,' ETRS89 is the same as WGS84. However, when I compare the cartesian coordinates I got from RTKLIB with the real ETRS89, the coordinates differ significantly from one another.
So how do I convert WGS84 to ETRS89, OSGB36, and IGS2020?
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