PBN Approaches using DME/DME

[ATC Watcher]

Originally Posted by Speed_Trim_Fail

When I flew the Classic, RNP approaches were not allowed with DME/DME.

Thanks, for the info, appreciated ! but to paraphrase Bob Dylan times are changing , looks like the Swiss are goings all RNP,-GNSS and are installing a couple of extra DMEs to satisfy the safety case in the event of GNSS interferences,(i.e. jamming/spoofing)