Carnmoney Hill

Northern Ireland · TV, FM and DAB

Position: 54.676837, -5.929122
Grid reference: NW46803840
Nation: Northern Ireland
Ground height: 207 m
Antenna height: 47 m
Aerial group: Group B — C35–53, the middle
Polarisation: Vertical
BBC region: Northern Ireland
ITV region: Northern Ireland
ITV news region: Northern Ireland
Parent transmitter: Divis
Ofcom site number: 10702

The position is our conversion of Ofcom's grid reference NW46803840 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	0.04% of UK Output Areas	a relay, serving a local area
FM radio	0.04% of UK Output Areas	a relay, serving a local area
DAB radio	0.04% of UK Output Areas	a relay, serving a local area

On the map

Where Carnmoney Hill 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	C46	674 MHz	16 W	DVB-T	BBC
PSB2	D3&4	C40	626 MHz	16 W	DVB-T	Digital 3&4 (ITV/Channel 4)
PSB3	BBC B	C43	650 MHz	16 W	DVB-T2	BBC
NI	NI mux	C48	690 MHz	16 W	DVB-T	Northern Ireland Multiplex Ltd

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	88.8 MHz	—	20 W	50 m	_BBC_R2_	C202	—
BBC Radio 3	91.0 MHz	—	20 W	50 m	_BBC_R3_	C203	—
BBC Radio 4 (FM)	93.2 MHz	—	20 W	50 m	_BBC_R4_	C204	—
BBC Radio Ulster/Foyle (FM)	95.3 MHz	—	20 W	50 m	BBC_Ulst	C319	—
BBC Radio 1	98.4 MHz	—	20 W	50 m	Radio_1_	C201	—
Q Radio	102.5 MHz	—	20 W	50 m	Q_Radio	C35F	—
Cool FM/Downtown Radio	103.4 MHz	—	10 W	50 m	Downtown	CC86	—

DAB radio

DAB ensembles carried here.
Ensemble	Block	Frequency	ERP	Height	Area	EId	Services
D1 National	11D	222.064 MHz	1.0 kW	43 m	Newtownabbey	C181	30
BBC National DAB	12B	225.648 MHz	1.0 kW	43 m	Newtownabbey	CE15	16

D1 National — block 11D

BBC National DAB — block 12B

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