ITV1HD Granada and ITV1HD London have changed their frequencies.
They are no longer available on of 10832 H and 10994 H.
Their new frequencies are :
11068 V 23000 2/3
11097 V 23000 2/3
The latter frequency also carries ITV1HD Meridian South East and ITV1 HD Central West.
Sky and Freesat boxes should (hopefully) automatically update tot he new frequencies.
Users of other satellite receivers will need to perform a scan of the new frequencies to continue to watch these ITV1HD regions.