Originally Posted by
stewyb
Isn't this something like SOU had installed on R02 approach?
its a national programme, part of a global modernisation of airspace structure & management. Terrestrial Navigation aids (VOR/DME, NDB) are being withdrawn. All UK airports will be obliged by govt to participate. Southern England is first. More details here:
https://www.gov.uk/guidance/airspace-modernisation
Using satellites for precision navigation guidance where ILS is not available is a big step forward, but unlikely to replace CAT III ILS for a long while yet.
FF