Hi Ossy, I guess it depends on where you are.
I am in the coverage are of London N DAB but the signal was weak, the same as it was when it was the London SSDAB trial. So I assumed that it was running just from the same transmitter in Highgate and that the additional 5 transmitters on the SFN (single frequency network) hadn't come on.
But yesterday the signal increased so I expect that the other transmitters or some of them are now on, so providing the correct level of signal for the London N service.
I expect John LLoyd in Cuffley can now get London N on 9B much better than before where he said he could get London S better than London N.