Corsham

England · TV

Position: 51.427952, -2.189813
Grid reference: ST86906990
Nation: England
Ground height: 85 m
Antenna height: 17 m
Aerial group: Group B — C35–53, the middle
Polarisation: Vertical and Horizontal
BBC region: West
ITV region: West
ITV news region: West
Parent transmitter: Mendip
Ofcom site numbers: 11071, 11080

The position is our conversion of Ofcom's grid reference ST86906990 from OSGB36 to WGS84 [V]. Ofcom publish no latitude and longitude for television sites. The transform is verified rather than assumed: on the 3,403 radio records that carry both, it reproduces Ofcom's own coordinates to within 0.1 m.

How far it reaches

The share of the UK's 238,895 Census Output Areas where this mast is the strongest signal of its kind. Not the share it reaches at all — most places can receive several transmitters, and only one of them can be the best.

Band	Best signal in
Television	0.02% of UK Output Areas	a relay, serving a local area

On the map

Where Corsham is the strongest signal for television.

Television

Multiplexes transmitted from this site, as published by Ofcom. Ofcom list this mast more than once — usually one row per polarisation — so the last column says which row each multiplex comes from.
Mux	Freeview name	Channel	Frequency	ERP	System	Operator	Ofcom row
PSB1	BBC A	C40	626 MHz	8 W	DVB-T	BBC	Corsham VP
PSB1	BBC A	C40	626 MHz	8 W	DVB-T	BBC	Corsham HP
PSB2	D3&4	C46	674 MHz	8 W	DVB-T	Digital 3&4 (ITV/Channel 4)	Corsham VP
PSB2	D3&4	C46	674 MHz	8 W	DVB-T	Digital 3&4 (ITV/Channel 4)	Corsham HP
PSB3	BBC B	C43	650 MHz	8 W	DVB-T2	BBC	Corsham VP
PSB3	BBC B	C43	650 MHz	8 W	DVB-T2	BBC	Corsham HP