Sky Thoroughbred Central broadcasts on DAB+.
You can stream Sky Thoroughbred Central on RadioApp on your iPhone or Android device, including Apple CarPlay and Android Auto.

You can also listen on your smart speaker:

To listen on your Google speaker, all you need to say is “OK Google, play Sky Thoroughbred Central”
To listen on your Alexa speaker, all you need to say is “Alexa, play Sky Thoroughbred Central”
You can also listen on your Sonos speaker using RadioApp.