Blaenplwyf

Wales · TV, FM and DAB

Position: 52.360536, -4.102582
Grid reference: SN56927569
Nation: Wales
Ground height: 174 m
Antenna height: 157 m
Aerial group: Group A — C21–37, the low end of the band
Polarisation: Horizontal
BBC region: Wales
ITV region: Wales
ITV news region: Wales
Ofcom site number: 13500

The position is our conversion of Ofcom's grid reference SN56927569 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	0.08% of UK Output Areas	a relay, serving a local area
FM radio	0.12% of UK Output Areas	a substantial transmitter
DAB radio	0.05% of UK Output Areas	a relay, serving a local area

On the map

Where Blaenplwyf is the strongest signal for television, FM radio and DAB radio.

Television

Multiplexes transmitted from this site, as published by Ofcom.
Mux	Freeview name	Channel	Frequency	ERP	System	Operator
PSB1	BBC A	C27	522 MHz	40.0 kW	DVB-T	BBC
PSB2	D3&4	C24	498 MHz	40.0 kW	DVB-T	Digital 3&4 (ITV/Channel 4)
PSB3	BBC B	C21	474 MHz	40.0 kW	DVB-T2	BBC
COM4	SDN	C25	506 MHz	10.0 kW	DVB-T	SDN (ITV plc)
COM5	ARQ A	C22	482 MHz	10.0 kW	DVB-T	Arqiva
COM6	ARQ B	C28	530 MHz	10.0 kW	DVB-T	Arqiva

FM radio

FM services. ERP is published separately per polarisation; a dash means nothing is radiated in that plane.
Station	Frequency	ERP (H)	ERP (V)	Height	RDS name	PI code	Pattern
BBC Radio 2	88.7 MHz	125.0 kW	125.0 kW	126 m	_BBC_R2_	C202	HV
BBC Radio 3	90.9 MHz	125.0 kW	125.0 kW	126 m	_BBC_R3_	C203	HV
BBC Radio Cymru	93.1 MHz	125.0 kW	125.0 kW	126 m	BBCCymru	C61B	HV
BBC Radio Wales	95.3 MHz	60.0 kW	60.0 kW	117 m	BBCWales	C618	HV
BBC Radio 1	98.3 MHz	125.0 kW	125.0 kW	126 m	Radio_1_	C201	HV
Classic FM	101.1 MHz	2.0 kW	8.0 kW	80 m	Classic_	C2A1	HV
BBC Radio 4 (FM)	104.0 MHz	125.0 kW	125.0 kW	126 m	_BBC_R4_	C204	HV
Heart	107.7 MHz	2.5 kW	10.0 kW	80 m	Heart___	C6AA	HV

DAB radio

DAB ensembles carried here.
Ensemble	Block	Frequency	ERP	Height	Area	EId	Services
D1 National	11D	222.064 MHz	1.4 kW	83 m	Cardigan Bay	C181	30
BBC National DAB	12B	225.648 MHz	4.7 kW	125 m	Ceredigion	CE15	16

D1 National — block 11D

BBC National DAB — block 12B

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