Sheffield

DAB ensemble · block 11C · 6 transmitters

Ensemble identifier: C187
Block: 11C
Frequency: 220.352 MHz
Licence: DL000005
Area: South Yorkshire
Services: 13 radio

On the map

Where Sheffield is radiated from — 6 transmitters [V], Ofcom's published positions. This says nothing about how far the signal reaches; it is not a coverage map.

What it carries

HITS RADIO S YorksGrt Hits S YorksAbsolute 10sAbsolute 00sHITS RADIO PRIDEBBC SheffieldHeart YorkshireCapital YorksSmooth UKPlanet RockHeat RadioKISS XtraKISS Dance

Transmitters

6 transmitters, strongest first. TII is the transmitter identifier a receiver can report, which is how you tell which one you are actually hearing in a single-frequency network.
Transmitter	Nation	Block	Frequency	ERP	Height	Area	TII
Ardsley	England	11C	220.352 MHz	2.0 kW	38 m	Barnsley	2D/15
Clarborough	England	11C	220.352 MHz	1.2 kW	27 m	Retford	2D/0A
Sheffield	England	11C	220.352 MHz	1.1 kW	39 m	Shefield	2D/03
Chesterfield	England	11C	220.352 MHz	1.0 kW	36 m	Chesterfield	2D/12
Clifton	England	11C	220.352 MHz	1.0 kW	48 m	Rotherham & Doncaster	2D/05
Doncaster - Shaftesbury House	England	11C	220.352 MHz	600 W	47 m	Doncaster	2D/06

Radiation pattern

Its strongest transmitter with a published pattern, Ardsley. Other transmitters of this ensemble may shape their signal differently.

Radiates most strongly toward the south (190°), as published by Ofcom.

More detail

Each ring is 10 dB of attenuation below the pattern's own peak; the outer rim is the peak itself and anything 30 dB down or deeper is drawn at the centre rather than off the edge of the chart, so a very deep null reads as “weak” and not as a hole in the picture. The shape says which direction radiates harder relative to the mast's own peak, not the absolute field strength there or how far it reaches — that is what the coverage map and the postcode lookup are for.