South Australia contains 324 separate Protected Areas with a total land area of 21,630,995 hectares(21.97% of the state’s area). 18 of these are National parks, totalling 4,337,430 hectares (4.41% of the state’s area).
... using terrestrial signals, and this is seen by some as influential (to a certain limited extent) in promoting the take-up of digital television.
BBC News 24 ...