[talk-au] Did the Earth just move for you?

[Warin]

On 03/01/20 18:43, Dion Moult wrote:
> How does this get solved?
>
> Can someone help explain to me how this affects the map? My limited 
> understanding is that this is the change from gda94 to gda2020. 
> However, does osm store things in wgs84? And that hasn't changed, has it?

wgs84 does change. It started in 1984? .. but has been modified since 
then a number of times.

The change is ~ 1.8 meters so most people are unlikely to know as 
general GPS accuracy is greater than the 1.8 metres.

Another link 
https://www.theage.com.au/national/nsw-and-victoria-just-jumped-1-8-metres-north-20200102-p53ocx.html