▁ 3 1 ▁March ▁ 2 0 1 1 , ▁Rad iop layer ▁set ▁out ▁to ▁offer ▁a ▁simple ▁and ▁accessible ▁way ▁to ▁listen ▁to ▁radio ▁via ▁the ▁internet . ▁It ▁contained ▁ 1 5 7 ▁stations ▁at ▁launch . ▁ ▁Initial ly ▁working ▁internally ▁at ▁the ▁BBC ▁for ▁Tim ▁Dav ie , ▁then ▁Director ▁of ▁BBC ▁Audio ▁& ▁Music , ▁Michael ▁Hill ▁led ▁the ▁project ▁since ▁March ▁ 2 0 0 9 , ▁and ▁was ▁made ▁Man aging ▁Director ▁of ▁UK ▁Rad iop layer ▁Ltd ▁on ▁ 2 8 ▁July ▁ 2 0 1 0 . ▁ ▁At ▁launch , ▁Rad iop layer ▁was ▁a ▁simple ▁and ▁straightforward ▁Flash - based ▁radio ▁player , ▁linked - to ▁by ▁radio ▁stations ▁on ▁their ▁own ▁website . ▁The ▁player ▁included ▁searching ▁and ▁book mark ing ▁across ▁all ▁of ▁UK ▁radio ▁station ▁content . ▁ ▁On ▁ 5 ▁October ▁ 2 0 1 2 , ▁Rad iop layer ▁launched ▁a ▁mobile ▁app ▁ ▁on ▁iOS ▁ph ones ▁with ▁an ▁Android ▁version ▁following ▁shortly ▁afterwards . ▁The ▁apps ▁are ▁un available ▁for ▁download ▁outside ▁the ▁United ▁Kingdom . ▁This ▁was ▁followed ▁by ▁a ▁table t ▁app ▁on ▁ 2 5 ▁September ▁ 2 0 1 3 . ▁ ▁The ▁apps ▁also ▁support ▁Android ▁W ear , ▁Android ▁Auto , ▁Sm art ▁Device ▁Link , ▁Apple ▁Watch ▁and ▁Apple ▁Car Play . ▁They ▁are ▁also ▁compatible ▁with ▁Ch rom ec ast ▁and ▁Air play . ▁ ▁In ▁September ▁ 2 0 1 6 , ▁Rad iop layer