Lethanhill

Scotland · TV and FM

Position: 55.364233, -4.464997
Grid reference: NS43861057
Nation: Scotland
Ground height: 300 m
Antenna height: 48 m
Aerial group: Group K — C21–48, wideband across the post-clearance band
Polarisation: Vertical
BBC region: Scotland
ITV region: STV Central
ITV news region: STV Central West
Parent transmitter: Darvel
Ofcom site number: 15204

The position is our conversion of Ofcom's grid reference NS43861057 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
FM radio	0.03% of UK Output Areas	a relay, serving a local area

On the map

Where Lethanhill is the strongest signal for television and FM radio.

Television

Multiplexes transmitted from this site, as published by Ofcom.
Mux	Freeview name	Channel	Frequency	ERP	System	Operator
PSB1	BBC A	C33	570 MHz	50 W	DVB-T	BBC
PSB2	D3&4	C36	594 MHz	50 W	DVB-T	Digital 3&4 (ITV/Channel 4)
PSB3	BBC B	C48	690 MHz	50 W	DVB-T2	BBC

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	88.3 MHz	110 W	110 W	32 m	_BBC_R2_	C202	HV
BBC Radio 3	90.5 MHz	110 W	110 W	32 m	_BBC_R3_	C203	HV
BBC Radio Scotland (FM)	92.7 MHz	110 W	110 W	32 m	BBC_Scot	C415	HV
BBC Radio 4 (FM)	94.9 MHz	110 W	110 W	32 m	_BBC_R4_	C204	HV
BBC Radio 1	97.9 MHz	110 W	110 W	32 m	Radio_1_	C201	HV