The test period for will commence at 10:00GMT/11:00BST/12:00CEST and will run for 1 and a 1/2 hours.
Online clock here
Services established and stable at 09:51GMT
We are running a new test loop today.  There is an error on the audio channel assignment section of this test material – please disregard.
We are now using the older more familiar test tape (10:37GMT)
Services ceased at 11:30GMT