Ninety-two years ago this very day they were heard (or 'it' - the GTS, was) for the first time after Lord Reith, no less, had decided some system of broadcasting the time - accurately - was needed.
Being 'of a certain age' I can remember when they were played almost ubiquitously, on the hour across the BBC's vast network. Which also means I can remember that subtle change - the subtlest, a slight lengthening of the last one - which was introduced in 1972.
So, over ninety years of service then, sterling service too, from the Royal Observatory: just don't let anyone fool you into believing that they've stayed the same!
Pip, pip!
