Knockmore

Scotland · TV, FM and DAB

Position: 57.532332, -3.135127
Grid reference: NJ32134970
Nation: Scotland
Ground height: 353 m
Antenna height: 113 m
Aerial group: Group K — C21–48, wideband across the post-clearance band
Polarisation: Horizontal
BBC region: Scotland
ITV region: STV North
ITV news region: STV North (North)
Ofcom site number: 15300

The position is our conversion of Ofcom's grid reference NJ32134970 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	0.23% of UK Output Areas	a substantial transmitter
FM radio	0.14% of UK Output Areas	a substantial transmitter
DAB radio	0.22% of UK Output Areas	a substantial transmitter

On the map

Where Knockmore 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	C31	554 MHz	20.0 kW	DVB-T	BBC
PSB2	D3&4	C37	602 MHz	20.0 kW	DVB-T	Digital 3&4 (ITV/Channel 4)
PSB3	BBC B	C29	538 MHz	20.0 kW	DVB-T2	BBC
COM4	SDN	C33	570 MHz	10.0 kW	DVB-T	SDN (ITV plc)
COM5	ARQ A	C36	594 MHz	10.0 kW	DVB-T	Arqiva
COM6	ARQ B	C48	690 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	88.2 MHz	1.0 kW	1.0 kW	91 m	_BBC_R2_	C202	—
BBC Radio 3	90.4 MHz	1.0 kW	1.0 kW	91 m	_BBC_R3_	C203	—
BBC Radio Scotland (FM)	92.6 MHz	1.0 kW	1.0 kW	91 m	BBC_Scot	C915	—
BBC Radio 4 (FM)	94.8 MHz	1.0 kW	1.0 kW	91 m	_BBC_R4_	C204	—
BBC Radio 1	97.8 MHz	1.0 kW	1.0 kW	91 m	Radio_1_	C201	—

DAB radio

DAB ensembles carried here.
Ensemble	Block	Frequency	ERP	Height	Area	EId	Services
Inverness	11B	218.640 MHz	5.0 kW	90 m	Elgin	C1A6	25
BBC National DAB	12B	225.648 MHz	5.0 kW	90 m	Elgin	CE15	16

Inverness — block 11B

BBC National DAB — block 12B

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