The first customers to use the new Sky Glass TV service have noticed some differences in the channel line-up. Some channels available to Sky’s satellite customers are missing.

Subtitles, in-vision signing and audio description on Channel 4’s family of services may not return to normal until mid-November, according to Channel 4’s latest update.

As technical issues reach a fourth week, Channel 4 has provided more information on what’s happening. Red Bee Media, who are responsible, have apologised again to viewers.

Attempts to manually restore more of Channel 4’s output continues, but broadcaster still unable to say when providers will have completed the job.

Final tests ahead of the activation of a temporary transmitter mast at Bilsdale take place this week. It comes two months after a major fire disrupted telecommunications across North Yorkshire, Teesside and County Durham.