Mastdata at SigInfo
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UK mobile telecoms base station data

See the masts behind the network.
Coverage data for every UK town.

MastData at SigInfo brings you the public MastData coverage records for 1409+ UK towns — the same signal and mast-count data that MastData publish, presented in a clean, open portal.

1409+ towns Free public access O2 · Vodafone · EE · Three

Public MastData Explorer

Browse coverage by town or area

Type an area — e.g. Kensington — and get the public MastData signal-quality and mast-count records, exactly as they appear on mastdata.com.

Pick a town to begin

Public data only — no sign-in required to browse. Full mast site records require a licence.

Need the full picture?

Full mast site records & planning data

Site references, addresses, planning applications and radio propagation analysis are part of a professional MastData licence. Tell us where you work and we'll connect you with the MastData team.

What MastData covers

Three geographical services, one dataset

Directional Coverage

Regional coverage and signal strength collected on the ground using the MastData Android app, split by 2G/3G/4G/5G and operator.

Line of Sight

A→B line-of-sight between existing masts and infrastructure — ideal for dish links and fixed-wireless planning.

Not-Spots

Potential not-spot identification across single or multiple operators, based on real surveyed signal data.

Powered by the independent UK mast database from Mastdata (Estate Systems Limited).

Networks covered O2 Vodafone EE Three BT CTIL

About

Mastdata at SigInfo

This portal is an open doorway into MastData's UK telecoms base-station database. Explore the public coverage records freely; when you need site-specific detail, planning applications or professional network analysis, request a licence and the MastData team will take it from there.

MastData
Mastdata (Estate Systems Limited)
North End House, Avon
Christchurch, Dorset, BH23 7BJ

[email protected]
+44 (0)20 8144 8143