Also related. Others?

Ceefax Simulator - https://news.ycombinator.com/item?id=40095657 - April 2024 (102 comments)

BBC Archive 1983: Downloading Software via Radio and Ceefax - https://news.ycombinator.com/item?id=38351869 - Nov 2023 (1 comment)

Ceefax from an old Raspberry Pi - https://news.ycombinator.com/item?id=29047592 - Oct 2021 (26 comments)

We See Facts: The BBC’s Ceefax Teletext Service - https://news.ycombinator.com/item?id=18172532 - Oct 2018 (26 comments)

How Teletext and Ceefax are coming back from the dead - https://news.ycombinator.com/item?id=12246592 - Aug 2016 (64 comments)

Ceefax Final Broadcast: 'Goodbye, cruel world.' - https://news.ycombinator.com/item?id=4690257 - Oct 2012 (36 comments)

Ceefax: The early days - https://news.ycombinator.com/item?id=4687417 - Oct 2012 (6 comments)

Ceefax service to end after 38 years on BBC - https://news.ycombinator.com/item?id=4687316 - Oct 2012 (14 comments)

Ceefax - A love letter - https://news.ycombinator.com/item?id=3856928 - April 2012 (37 comments)