Top box Telewest Broadband EXPLORER 4200DVB with Coax socket labelled Cable in, Coax socket labelled To TV, 2 scart sockets labelled VCR and TV, Sony TV KV-28LS35U with coax socket for aerial and 2 scart sockets labelled 2/SMARTLINK and 1/?????, DVD Sony RDRHXD870 DVD Recorder having 4 coax sockets labelled Analog aerial in and out, Digital aerial in and out, 2 scart sockets labelled Line 1/decoder and line 3-TV. I have an analog aerial in the loft which I am having replaced with a digital on the chimney