IEEE Xplore have notified us of the following:

“We are writing to inform you that, due to scheduled maintenance, IEEE Xplore will be unavailable from 9:00 AM – 12:00 noon ET (13:00 – 16:00 UTC) on Saturday, 24 October.  In addition, certain web services such as single article purchase and personalization may be unavailable for a period of time on 24 October.”

This is Sunday 25th October 1am – 4am our time.