Platform B is a not-for-profit brighton (uk) based next generation radio station broadcasting online since 2016 and on 105.5 fm and dab since october 1st 2018. the station is directed by a new wave of djs, producers and presenters who are re-imagining and diversifying the medium with music and youth programming from a studio based in the green door store, a music venue underneath brighton station. broadcasts flow from here as well as from multiple venues, public spaces and events across the city.