There is DRM on 747 now. I’m getting decoding on both Melbourne & Adelaide Kiwi’s. Nothing this side of the Tasman though.
As I read the licence this is a DRM/AM simulcast test using the 3RN licence. The “thou shalt not interfer” will be to make sure local listeners on 756 don’t get too much hiss from the DRM signal. This was a bit of an issue when there were simulcast tests on 657 kHz in Wellington years ago.
Chris Mackerell to ICDX-AM iog (2021-07-26)