GMTV's backup play out is a good conundrum.
Disney were shareholders, but did Disney UK have own play out facilities, or contracted out?
Another possible was Reuters, as the news contractor, who would have some form of basic play out facilities at the main newsroom HQ to quickly plug into.
Scottish had another shareholding, but just how quickly Cowcaddens could have been pressed into action to man the pumps while TLS
/LNN was out of action is a point of debate, likely to end up at the door of 'not at all'.
My user name might look like Hatton Cross, but it's pronounced Throatwobbler Mangrove.