BBCNEWS Click June 4, 2024 11:41:00
So they could figure out where they were. the centre of all british nautical charts was the greenwich meridian, 0 degrees, and each vessel also kept a fancy clock on board that told them local time at the meridian and helped them to calculate their position really precisely. but over long journeys, how could the captains keep those clocks accurate to the second? well, to bring in the new year in 1923, the bbc ran an experiment to broadcast the midnight bongs of big ben on the radio. it was a bonging success and the following year the first fully accessible time signal, the greenwich time signa...