![Prof. Frank McDonough on Twitter: "5 February 1924. BBC Radio electronically generated time signals or “pips” from the Greenwich Observatory, were broadcast for the first time. They were Invented by the Astronomer Prof. Frank McDonough on Twitter: "5 February 1924. BBC Radio electronically generated time signals or “pips” from the Greenwich Observatory, were broadcast for the first time. They were Invented by the Astronomer](https://pbs.twimg.com/media/FoMHCGcX0AAdnLi.jpg)
Prof. Frank McDonough on Twitter: "5 February 1924. BBC Radio electronically generated time signals or “pips” from the Greenwich Observatory, were broadcast for the first time. They were Invented by the Astronomer
![BBC Radio 5 Live 693 kHz heard in Genoa, Italy with very clear signal on... | Bbc radio, Genoa, Radio BBC Radio 5 Live 693 kHz heard in Genoa, Italy with very clear signal on... | Bbc radio, Genoa, Radio](https://i.pinimg.com/736x/cd/c9/18/cdc918ca26ae307b1b05c2533c905559--genoa-italy-signal.jpg)
BBC Radio 5 Live 693 kHz heard in Genoa, Italy with very clear signal on... | Bbc radio, Genoa, Radio
![Stream Signal | #DNB60 | Critical Music | BBC Radio 1 | Friction D&B Show by Critical Music | Listen online for free on SoundCloud Stream Signal | #DNB60 | Critical Music | BBC Radio 1 | Friction D&B Show by Critical Music | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-000147020425-2yhen6-t500x500.jpg)