BBC Radio 4 Longwave.
It still seems the station will close in 2025, although I have not seen a firm date quoted.
2025 marks 100 years since the BBC first broadcast on longwave. Campaigners want to see the Droitwich transmitter — which began broadcasting in 1934 — protected as a historic site.
Mike Terry to Longwaveradiolistening iog (2025-05-31)