Postcode Map Transmitters Channels Radio Method Sources

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UCB 1

DAB

Published as “UCB1”, “UCB 1”. The names are not character-for-character identical across Ofcom's files — a DAB service label is limited to 16 characters and loses its spaces to fit. They are treated as one station here on that basis, which is inference rather than something Ofcom state. [I]

DAB

The ensembles carrying this station. Every transmitter of an ensemble carries all of its services, so the transmitter list belongs on the ensemble's own page.
Ensemble	Block	EId	Transmitters	Broadcast as	Area
D1 National	11D, 12A	C181	221	UCB 1	UK
Channel Islands	12A	C1CF	3	UCB1	Channel Islands

Transmitter data is Ofcom's; every dataset and the terms it is used under are listed under sources. Coverage figures are modelled, not measured, and are systematically optimistic.