The Service IDs for BBC4 HD and CBeebies HD have appeared on BBCB/PSB3.
Thanks to @a516digital on Twitter for heads-up.
Mike on Twitter
“Ahead of BBC Four HD and CBeebies HD moving Freeview multiplexes later this month, two new Service IDs - 18046 for BBC Four HD and 18176 for CBeebies HD have…
I chose a random area on DigitalBitRate and can confirm they have appeared.