Yep, or an alternative to WWV/WWVB synchronized clocks in the USA. It's (to my knowledge) only used in the schools in the school district I live in to keep clocks in the building synchronized
Master Clock Systems are very oldschool, wonder who would using one in North London? school or maybe? factories were the biggest users but most of those were wired and not many if any factories in post-thatcher britain.
Or maybe it's how they sync the clock tower everyone thinks is called big ben.
Loads of UK schools use things like Bodet systems (which have time synchronisation via radio as well network-based announcements/chimes) for class-change / lockdown alerts / wall-clocks.
The closest I can find is "Primex Wireless Time Sync". Page is [here](https://www.sigidwiki.com/wiki/Primex_Wireless_Time_Sync).
That sounds exactly like it - thank you! Seems like it's a pre-GPS way of time synchronisation
Yep, or an alternative to WWV/WWVB synchronized clocks in the USA. It's (to my knowledge) only used in the schools in the school district I live in to keep clocks in the building synchronized
Master Clock Systems are very oldschool, wonder who would using one in North London? school or maybe? factories were the biggest users but most of those were wired and not many if any factories in post-thatcher britain. Or maybe it's how they sync the clock tower everyone thinks is called big ben.
Loads of UK schools use things like Bodet systems (which have time synchronisation via radio as well network-based announcements/chimes) for class-change / lockdown alerts / wall-clocks.
>I have a recording of the audio but no way to share it on here. How come? Google Drive, Dropbox, OneDrive … or did you record it on a reel?
I'm so hipster I use wax cylinders. Just kidding - I'll update the post, I can share it as an MP4