The following is a list of the 2,023 TV (in bold), radio and DAB transmitter sites in the UK.
Masts with engineering work or recent faults are shown like this.
Masts with engineering work or recent faults are shown like this.
| AB | Aberbeeg tv Abercorn Barracks Abercraf tv Abercynon tv Aberdare dab tv Aberfoyle tv Abergavenny dab tv Abergwynfi tv Abertillery dab tv Abertridwr tv Aberystwyth tv Abington tv |
| AC | Acacia Centre Acharacle tv Achill tv Acklam Wold dab |
| AD | Addingham tv |
| AF | Afon Dyfi tv |
| AI | Ainley Top dab Ainstable tv Aislaby tv |
| AL | Aldbourne tv Aldeburgh dab Aldeburgh tv Alderney tv Alderney Aldershot Alexandra Palace tv Alexandra Palace dab Allanhill Farm radio Allenheads tv Allerton Park Allesley Park tv Alltwen tv Alnwick Moor Alsagers Bank dab Alston tv Alton dab tv Alverton tv |
| AM | Ambergate tv Amlwch tv |
| AN | Andover Andoversford tv Angus dab tv |
| AR | Aranmore tv Arbroath Infirmary Ardentinny tv Ardgour Ardintoul tv Ardnadam tv Ardsley dab Arfon dab tv Arisaig tv Arkley dab Arklow tv Armagh dab Armagh tv Armitage Bridge tv Arrochar tv |
| AS | Ascott under Wychwood tv Ashbourne dab tv Ashbourne Ashburton dab tv Ashford in the Water tv Ashkirk Ashton Moss Ashton Moss Assendon tv |
| AT | Athelstaneford dab Attadale tv |
| AU | Auchmore Wood tv Auchtermuchty tv Austwick tv |
| AV | Avening tv Aveton Gifford tv Aviemore tv Avoch tv |
| AX | Axe Valley |
| AY | Aylmerton Ayr South tv |
| BA | Backbarrow tv Backwell tv Bacup tv Badachro tv Bagillt tv Bainbridge tv Bakers Wood dab tv Bala dab tv Balblair Wood tv Balgownie dab tv Ballachulish tv Ballantrae tv Ballasaig Ballintoy tv Ballybofey tv Ballycastle Ballycastle dab tv Ballygroggan Balmullo tv Balnaguard tv Baltasound tv Bampton dab tv Banbridge tv Banff tv Bantry tv Bargoed tv Barnard Castle Barnoldswick Barnstaple dab Barnstaple tv Barnstaple MF Barrhead Barrow dab radio Barrow Town Hall tv Barry Barry Jackson Tower Barskeoch Hill dab tv Barton Hill Barwell dab Basildon Basingstoke dab Bassenthwaite tv Bath dab tv Bath Batley tv |
| BE | Beacon Hill A tv Beacon Hill B dab Beaminster tv Beary Peark tv Bebington Beddgelert tv Beddgelert Link tv Beddingham dab Bedford Bedlinog tv Bee Lane Beecroft Hill dab tv Beer dab tv Belcoo tv Belfast Bellair tv Bellanoch tv Bellingham tv Belmont dab tv Belper tv Ben Dorrery Ben Gullipen Ben Tongue tv Benagh tv Benfleet dab Berkeley Heath radio Bermondsey Berrynarbor tv Berwick-Upon-Tweed tv Bethesda tv Bethesda North tv Betws y Coed dab tv Betws-yn-Rhos tv Bevan Flats dab Bevendean tv Bexhill radio Bexhill tv Bexhill |
| BF | BFBS Lisburn |
| BI | Bicester Biggar dab tv Biggin Hill tv Biggin Hill Link tv Billesdon Billinge Hill dab Bilsdale dab tv Bincombe Hill dab tv Birch Vale dab tv Birchover tv Birkwood Farm Birmingham East Bishops Stortford tv |
| BL | Black Hill dab tv Black Mountain dab tv Blackburn Blackburn tv Blackburn In Rotherham tv Blackmill tv Blackpool Tower Blackwaterfoot tv Blaen Plwyf dab Blaenau Gwent tv Blaenavon tv Blaenllechau tv BlaenPlwyf tv Blaina tv Blair Atholl tv Blakeney tv Blandford Garrison Blaydon Burn tv Bleach Green tv Bluebell Hill dab tv Bluebell Hill (S) dab Blunsdon dab Blythburgh Water Tower |
| BO | Boars Hill dab Boddam tv Bodmin Bolehill tv Bollington Bollington tv Bolton Bonchester Bridge tv Borve tv Boscastle tv Bossiney tv Boston radio Bournemouth Bourton On The Water Bovey Tracey tv Bovington tv Bovington Camp radio Bow Bow Bow Brickhill dab Bow Street tv Bowmore tv Bowmore Box tv |
| BR | Bradford West tv Brading tv Bradley Stoke Braemar tv Braid Hills dab Brailes tv Bramford tv Branscombe tv Braunton dab tv Brechfa tv Brechin tv Brechin Infirmary Brecon dab Brecon tv Brentwood Bressay dab tv Bretch Hill tv Bridge of Allan tv Bridgnorth tv Bridgwater Bridport dab tv Brierfields Brierley Hill tv Brighstone tv Brighton radio Brighton (Central) tv Brighton Race Course Brill radio Brinscall tv Brisco radio Bristol Bristol Barton House tv Bristol East Dundry Lane Bristol Kings Weston dab tv Bristol Montpelier tv Bristol Warmley tv Briton Ferry tv Brixham dab tv Broad Haven tv Broad Street Mall Broadbottom tv Broadstairs Brockham Hill Brockwell tv Bromsgrove dab tv Broneirion tv Bronnant tv Bronwydd Arms tv Brook Bottom tv Brookmans Park dab radio Brougher Mountain Brougher Mountain tv Brougher Mountain II Broughton tv Broughton Moor dab Brown Carrick Hill dab Bruernish tv Brundall radio Brushford tv Brusselton dab Bruton tv Bryansburn Lane tv Bryn Tail Farm Brynmawr |
| BT | BT Tower dab |
| BU | Buckfastleigh tv Buckna tv Bucknell tv Buckton Barn dab Budleigh Salterton dab tv Builth Wells tv Bulford Camp Bunkers Hill Burbage tv Burgar Hill tv Burghead radio Burnaston radio Burnham tv Burnham on Crouch tv Burnhope dab tv Burrington tv Burry Port tv Burton Burton Down dab Burton Down dab Bury St Edmunds Bury St Edmunds tv Bushmills tv Butetown Butts Brow Buxton dab tv Buxworth |
| BY | Byrness tv |
| CA | Caergybi tv Caerhendy tv Caernarfon tv Cahir tv Cairn Gorm Cairn Hill tv Cairn Pat Caldbeck dab tv Callander tv Calne tv Calver Peak dab tv Calverts Carpets Cambret Hill dab tv Cambret Hill Cambridge dab Cambridge Tower Cambridge University Library Camlough dab Camlough tv Camp Hill Campbeltown dab tv Campbeltown Camperdown tv Cane Hill tv Canford Heath tv Cannongate tv Caradon Hill dab tv Carhampton tv Carie tv Carmarthen dab Carmarthen A Carmel dab tv Carnmoney Hill dab tv Carno tv Carradale tv Cartmel tv Casla tv Castle Caereinion tv Castle Vale dab Castlebar tv Castlebay tv Castlederg tv Castleton tv Castletownbere tv Caterham tv Cathcart tv Catrine tv Catterick Garrison Catton Beacon tv Cave Wold dab |
| CE | Cefn Mawr A tv Cemaes tv Central Leicester Cerne Abbas tv Cerrigydrudion tv |
| CH | Chagford tv Chaigley tv Chalford tv Chalford Vale tv Chambercombe tv Chantry High School Chapel-en-le-Frith Chard dab Charing Hill dab Charlbury tv Charlock Hill Charmouth tv Charter House Chartham dab Chartham tv Chatburn tv Chatham Town tv Chatton Chatton dab tv Cheadle tv Chedington Cheltenham Chepping Wycombe dab tv Chepstow tv Cheselbourne tv Chesham dab tv Chesterfield dab tv Chesterton Fen Chideock tv Chilfrome tv Chillerton Down dab Chilworth Chingford radio Chingford tv Chinley tv Chippenham Chisbury tv Chiseldon tv Chitterne tv Chorley Christchurch dab Chudleigh tv Church Green radio Churchdown dab tv |
| CI | Cilfrew tv Cilycwm tv Cirencester dab tv Cirencester radio |
| CL | Clachan tv Clacton-on-Sea tv Claonaig tv Clapham Court Clatterbridge Hospital radio Claudy tv Clearwell tv Cleckheaton tv Clennon Valley tv Clermont Carn tv Clettraval dab tv Clevedon Clifden tv Cliff Hill Clifton dab Clipstone radio Clonakilty tv Clonmany tv Clonmel tv Clovenfords tv Clun dab tv Clydach tv Clyro dab tv |
| CN | Cnoc An Oir tv Cnoc Malagan |
| CO | Coalbrookdale tv Coed Derw tv Coker Hill dab Colchester dab Colchester Garrision Coldean tv Cole Green Coleford tv Colindale House dab Colinswell radio Colinward dab Collafirth Hill tv College Campus SH574723 College Campus SJ508953 College Campus SO966842 College Campus SS551323 College Campus ST620780 radio College Campus SU737726 College Campus SU997705 College Campus SX853718 College Campus TQ548562 Collingham Collins Barracks tv Combe Martin tv Combe Martin Compton tv Condor Ferries Booking Office Congleton tv Conisbrough tv Coniston tv Conlig Conlig tv Conway dab tv Coombe tv Cop Hill tv Copley tv Coppid Beech dab Copt Oak dab Corby Corfe Castle tv Cornholme tv Corris tv Corsham tv Corwen tv Countisbury tv Coventry Coventry Cow Hill dab tv Cowes (GKN) Cowling tv Coxheath |
| CR | Crabwood Farm dab Cragg Vale tv Craig Cefn Parc tv Craigellachie tv Craigkelly dab tv Cranevalley Golf Club radio Creake tv Crediton tv Creetown tv Creteway Down dab Crewkerne tv Crickhowell tv Crieff dab tv Crieff Crimpsall radio Crockerton dab tv Croeserw tv Cromarty tv Crosby Ravensworth tv Crosshaven tv Crosthwaite tv Croyde tv Croydon dab tv Croydon (Old Town) tv Crubenmore radio Crucorney tv Crumhaugh Hill dab Crumlin tv Crystal Palace dab tv |
| CU | Cullingworth tv Culm Valley tv Cumbernauld Cumbernauld Village tv Cupar tv Cushendall tv Cushendun tv |
| CW | Cwm Ffrwd-Oer tv Cwm Twrch tv Cwmafan tv Cwmaman tv Cwmfelinfach tv Cwmgors tv Cwrtnewydd tv |
| CY | Cyffylliog tv Cynwyl Elfed tv |
| DA | Daliburgh tv Dallington Park tv Dalmally tv Dalnacardoch Wood radio Dalton tv Danbury dab Darley Dale tv Darlington Dartford Marshes radio Dartford Tunnel radio Dartington Hall Dartington Dartmouth Dartmouth tv Darvel dab tv Darwen dab tv Daventry dab Dawlish tv |
| DE | Deanston tv Dechmont Hill radio Deiniolen dab tv Delph tv Dentdale tv Derby tv Deri tv Derrygonnelly tv Devizes Dewsbury |
| DI | Divis dab tv |
| DO | Dog Hill tv Dolgellau dab tv Dollar tv Dolwyddelan tv Dolybont tv Doncaster Donhead tv Dooncarton tv Dorking dab tv Douglas dab Douglas tv Dover dab tv Dover Town tv Dowlais tv Downderry tv Downpatrick |
| DR | Draperstown tv Dreghorn Barracks Droitwich radio Dromore tv Dronfield tv Drum Hill Drumcarrow Craig dab |
| DU | Duffryn tv Dumbarton Dumfires Dumfries radio Dumfries South dab tv Duncraig tv Dundee Law Dundee Menzieshill tv Dundry Dundry East dab Dungannon Dungarvan tv Dunkeld tv Dunkeld Town tv Dunkirk dab Dunoon Dunoon Forest Row tv Dunsford tv Dunure tv Durham tv Durness tv Durris tv Durris dab Dursley dab tv Duxhurst radio |
| DY | Dychliemore Link tv |
| EA | Eardiston tv Earl Sterndale tv Earls Hill Earls Hill dab Easdale tv East Casterton East Dean tv East Dundry East Grinstead dab tv East Grinstead East Neuk Eastbourne tv Eastbourne dab Eastbourne (Old Town) tv Easter Compton tv Eastwood tv |
| EB | Ebbw Vale dab tv Ebbw Vale South tv |
| ED | Edale tv Ederny tv Edgbaston tv Edginswell tv Edmonton tv |
| EF | Efail Fach tv |
| EG | Egford Hill Egham Eglwysilan dab Eglwysilan |
| EI | Eitshal Eitshal tv Eitshal dab Eitshal |
| EL | Elham tv Eliot College Elland tv Ellon tv Elton tv Ely Cathedral |
| EM | Emley Moor dab tv |
| EN | Enniskillen radio Enniskillen dab |
| EP | Epping Green dab |
| ER | Erwood tv |
| ES | Esh tv Esher TE dab Eskdale Green tv Eston Nab dab tv Eston Nab dab |
| ET | Etherley |
| EU | Europa Hotel Belfast |
| EW | Ewyas Harold tv |
| EX | Exeter Exeter Exeter (St Thomas) dab tv Exford tv Exmouth |
| EY | Eyemouth dab tv |
| FA | Faire Mhor dab Fakenham Falstone tv Fanad tv Fanum House (AA) Far Highfield tv Fareham radio Farleigh tv Farlington Marshes radio Farnborough radio Farndon radio Farningham tv Farthinghoe dab Faversham dab Faversham tv Fawley tv |
| FE | Felixstowe Felixstowe tv Felling tv Fenham dab tv Fenton tv Fermoy tv Ferndale tv Fernhill tv Ferrypoint tv Ferryside tv Fetlar tv |
| FF | Ffestiniog tv Ffestiniog |
| FI | Finchley tv Findon dab tv Fintry tv Fishguard dab tv Fishpond Hill dab Fitful Head tv Fiunary tv |
| FL | Flint tv |
| FO | Fodderty tv Foel Fynyddau dab Folkestone radio Folkestone tv Folkestone MF radio Forden Forest Gate Forest Row tv Forfar Fort Albert Fort Augustus tv Fort George radio Fort Southwick dab Fort Staddon Fort Widley dab Fort William Forth Mountain tv Four Marks Fowey tv Foxdale tv Foxhall Heath |
| FR | Freemens Common Fremont Point Fremont Point tv Friarton Road Frome Frome tv Frys Hill |
| FU | Fulford Fulney |
| GA | Galashiels tv Gallows Hill tv Garelochhead tv Garleton Hills Garth Hill tv Gartley Moor dab tv Gateshead |
| GE | Geddington dab Gellifendigaid tv |
| GI | Gib Heath tv Gigha Island tv Gilfach tv Gillingham Gillingham Girvan dab tv |
| GL | Glade Lane Glanmire tv Glasgow Glasgow Glasgow Glasgow Glasgow West Central tv Glastonbury Glen Convinth tv Glen Urquhart tv Glenachulish Glenariff tv Glencoe Glencolumcille tv Glencourse Barracks Glencoyne tv Glenelly Valley tv Glengorm Glengorm tv Gleniffer Braes Glenluce tv Glenmaye tv Glenridding tv Glespin tv Glossop tv Gloucester radio Glyn Ceiriog tv Glyncorrwg tv Glyndyfrdwy tv Glynn tv |
| GO | Gog Magog dab Gogwell Gorey tv Gorey tv Gorleston on Sea tv Gorse Hill City Farm Leicester Gortnageeragh tv Gortnalee tv Gosforth tv Gourdon tv Goxhill |
| GR | Grandtully tv Grangemouth tv Grantham Grantown dab tv Grasmere tv Grassington tv Gravelly Hill tv Gravesend tv Great Barton Great Braxted Great Massingham dab Great Missenden tv Great Ormes Head Great Torrington tv Great Yarmouth dab Great Yarmouth Great Yarmouth tv Greenhill tv Greenhill dab Greenside radio Greenside Scalp Greenwich tv Greystoke tv Greystones tv Grimsby tv Grinton Lodge tv Gronant tv |
| GU | Guildbourne House radio Guildford dab tv Guildford AM Guisborough tv Guiting Power tv Gulval tv Gunnislake tv Gunthorpe Guston Guys Hospital Tower |
| GW | Gwaenysgor |
| HA | Haddington tv Haden Hill tv Hadfield Road Hagg Wood tv Haining Halesowen tv Halifax tv Halton radio Haltwhistle tv Halwell tv Ham Street tv Hameldon Hill Hammerpot Hammersmith tv Hampstead Heath tv Hamstead tv Handy Cross Farm Hangleton tv Hannington dab tv Harbertonford tv Harborne tv Hardhurst Farm Wirksworth Harlow (Rye Hill) dab Harlow Hill Harrop Edge Harrow Weald dab Hartington tv Hartland tv Hartlepool Hartshill Quarry dab radio Hasland tv Haslemere tv Haslingden dab tv Hastings dab tv Hastings (Old Town) tv Haughton Green tv Havant Haverfordwest dab tv Haverhill Hawes Hawick tv Hawkshead tv Haydon Bridge dab tv Haywards Heath tv Haywards Heath Hazler Hill dab tv |
| HE | Headingley tv Headless Cross Heath Hill Heathfield dab tv Heathrow radio Hebden Bridge dab tv Hedge End Hedleyhope tv Hele tv Helston dab tv Hemdean tv Hemdean dab Hemel Hempstead dab tv Hemel Hempstead Town tv Hendon dab Henley tv Heolgerrig dab Hereford tv Hertford tv Heyshaw tv |
| HI | High Hunsley dab High Keil tv High Warren Reservoir High Wycombe High Wycombe tv Hill of Allargue Hill of Foudland Hinchingbrooke dab Hindhead |
| HO | Holcombe Down dab Hollington Park tv Holme Moss dab Holmfield tv Holmfirth tv Holmhead tv Holyhead South Stack dab Holywell radio tv Holywell Hill tv Honiton tv Honiton Community College Hoo Hoo Ash Farm Coalville Hoo St Werburgh Hoo St Werburgh radio Hope tv Hope Mountain dab Hope under Dinmore tv Hope Valley Horn Street tv Horndean tv Horsham Hospital NO378304 radio Hospital NO390303 radio Hospital NO711574 Hospital NT289935 Hospital NZ229644 Hospital SD920062 radio Hospital SJ003760 Hospital SJ636911 Hospital SK362904 Hospital SK430910 radio Hospital SK439141 radio Hospital SK523197 Hospital SK589798 Hospital SK605046 Hospital SN427214 radio Hospital SP829117 radio Hospital SS615957 radio Hospital ST138131 Hospital ST150779 Hospital SU867059 radio Hospital SU989825 Hospital SX499595 radio Hospital TA082288 Hospital TG524087 Hospital TL046072 Hospital TL050228 radio Hospital TL498207 radio Hospital TQ172938 Hospital TQ228060 Hospital TQ285482 radio Hospital TQ341229 radio Hospital TQ700872 Hospital TR154564 radio Houghton-on-the-Hill dab Hoylandswaine |
| HU | Hughenden tv Hull radio Hulme Humber Bridge - North Pier Humshaugh tv Hungerford Hungry Hill dab Hunmanby tv Hunters Stone dab Huntingdon Huntshaw Cross dab tv Hurstbourne Tarrant tv Hutton Hutton dab tv |
| HY | Hythe Marina tv |
| IC | Icewell Hill Icomb Hill dab |
| ID | Idle tv Idle dab |
| IL | Ilchester Cresent radio tv Ilfracombe dab tv Ilkeston |
| IN | Innerleithen dab tv Inverarish tv Inverbervie Inverness tv |
| IP | Ipstones Edge tv Ipswich Stoke tv |
| IR | Irchester Ireshopeburn tv Ironbridge tv Irvine |
| IS | Isles of Scilly tv |
| IV | Ivybridge dab tv |
| JE | Jedburgh dab tv |
| JU | Jurby tv |
| KE | Keelylang Hill dab tv Keighley dab Keighley tv Keighley Town tv Kelvindale tv Kempston Kendal dab tv Kendal Fell tv Kenilworth tv Kenley dab tv Kenmore tv Kensal Town tv Kerry tv Keswick tv Keswick Forest Keswick Forest Keswick UHF dab Kettlewell tv Kewstoke tv |
| KI | Kidderminster tv Kielder tv Kilbride South Uist tv Kilduff tv Kilkeaveragh tv Kilkeel radio tv Killearn tv Killin tv Killowen Mountain tv Kilmacolm tv Kilmelford tv Kilve tv Kilvey Hill dab tv Kimmeragh tv Kimpton tv Kings Heath Kings Lynn tv Kingsbridge dab tv Kingskerswell tv Kingswear dab Kington tv Kingussie tv Kingussie dab Kinlochbervie tv Kinlochleven tv Kinnoull Hill Kinross tv Kinsale tv Kintraw tv Kinver tv Kippure tv Kirk OShotts dab Kirkby Lonsdale Kirkby Stephen tv Kirkcaldy Kirkconnel dab tv Kirkconnel Kirkcudbright tv Kirkfieldbank tv Kirkmichael tv Kirkoswald VP tv Kirkton Mailer Kirkton Mailer dab |
| KN | Knock Hill dab Knock-Breckan radio Knockmore dab tv Knockmoyle tv Knott Hall dab Knowsley Knucklas tv |
| KY | Kylerhea tv |
| LA | Lacock Ladder Hill dab tv Ladywood House Lairg tv Lamberhurst tv Lambourn tv Lambourne House Lancaster dab tv Langholm dab tv Langley tv Langley Mill radio Langley Mill (B) radio Laragh tv Largs tv Lark Stoke tv Lark Stoke dab Larne dab tv Lauder tv Laurencekirk Laxey tv |
| LE | Lea Bridge tv Lea Bridge Road Leadhills tv Leamington Spa dab tv Leatherhead Stoke dAbernon dab Leeds Leeds MF Leek dab tv Lees tv Leicester Leicester tv Leicester Leith Leitrim tv Lerwick Les Platons dab Les Touillets dab Les Touillets Les Touillets tv Letchworth Lethanhill tv Letterkenny tv Lewes tv Lewes County Hall Lewisham dab Lewsey Farm |
| LI | Lichfield dab tv Lickey Hills dab Limavady dab tv Limber Hill tv Lincoln Lincoln Cathedral Lincoln Central tv Lincoln University Lindores tv Linnet Valley tv Lisbellaw tv Lisburn radio Lisnagarvey radio Little Eaton tv Little Oxendon Farm Little Shurdington Little Walsingham tv Littleborough dab tv Littlebourne radio Liverpool Cathedral Liverton tv |
| LL | Llanarmon-yn-Ial tv Llanbrynmair tv Llandderfel tv Llanddona dab tv Llanddulas tv Llandecwyn dab tv Llandinam dab tv Llandinam Llandrindod dab Llandrindod Wells tv Llandrindod Wells Llandudno Llandyfriog tv Llandysul tv Llanelli dab tv Llanengan tv Llanfach tv Llanfoist tv Llanfyllin tv Llanfyllin Llangadfan tv Llangeinor tv Llangernyw tv Llangollen tv Llangollen dab Llangranog tv Llangurig tv Llangybi tv Llangynog tv Llanharan tv Llanhilleth tv Llanidloes tv Llanidloes dab Llanrhaeadr ym Mochnant tv Llansawel tv Llanuwchllyn tv Llanwrtyd Wells tv Llwyn Onn tv Llyswen tv |
| LO | Loch Feochan tv Lochearnhead tv Lochgoilhead tv Lochgoilhead AD tv Lochinver tv Lochmaddy tv Lochwinnoch tv Londonderry dab tv Londonderry Londonderry Londonderry Long Compton tv Long Mountain dab tv Longsight Longton Longwood Edge tv Looe tv Lorton tv Lostwithiel tv Loughborough University Lowestoft tv Lowther Valley tv |
| LU | Luccombe tv Luddenden tv Ludlow tv Lulworth tv Lumphanan tv Luscombe Valley tv Luton Luton tv |
| LY | Lydbrook tv Lydd radio Lydden tv Lydgate tv Lyme Regis dab Lyminge tv |
| MA | Maamclassach tv Macclesfield tv Machen Upper tv Machynlleth dab tv Maddybenny More dab Madingley dab tv Maentwrog tv Maesteg tv Maghera tv Magheraroarty tv Maitland House dab Malin tv Mallaig tv Malvern dab tv Manchester Hulme tv Mander House Mangotsfield Mannamead Mannings Heath Manningtree dab Manor Farm Manton Mapperley Mapperley Ridge dab Margate tv Marine and Coastguard Agency Market Weighton Markethill Industrial Estate Markham Tower dab Marlborough dab tv Marlow Bottom tv Marystow tv Maston Manchester Matlock tv Mayland Hill |
| ME | Meldrum dab Meldrum Melling tv Melvaig dab Melvich tv Membury dab Mendip Mendip dab tv Mendlesham dab Meriden Meriden dab Mersey Tunnel radio Merthyr Tydfil Merthyr Tydfil tv Methven tv Metropolitan House dab Mevagissey tv |
| MI | Micklefield tv Mickleham tv Mickleham Mickleton dab tv Midanbury Middlesbrough Middleton tv Midhurst dab Midhurst tv Midsomer Norton RFC Milbury Heath dab Mildenhall St Marys Church Military NZ402173 Military SE184964 radio Military SJ939242 radio Military SO045285 radio Military SP408885 radio Military ST908808 Military ST920084 radio Military SU832615 radio Military TQ763689 radio Millbrook tv Millburn Muir dab tv Millhouse Green tv Millom Park tv Millport tv Millthrop tv Milverton Minehead Minehead North Minkey Hill Minnigaff tv Minster Mitchelstown tv |
| MO | Mochdre tv Modbury tv Moel y Parc dab tv Moel y Sant tv Moffat tv Monaghan tv Moneymore tv Monksilver tv Monkswearmouth Sunderland Monmouth dab tv Moorside Edge radio Morecambe Bay dab Morfa Nefyn tv Morley dab Mormond Hill Mormond Hill dab Mormond Hill dab Morpeth dab tv Morpeth dab Morrone Moss Bank tv Mottram in Longdendale tv Mount Leinster tv Mount Vernon dab Mounteagle dab Mounteagle tv Mountfield tv Moville tv Mow Cop dab |
| MU | Muddiford tv Muirkirk tv Muldonagh tv Mull Hill Mullaghanish tv Musgrove Park Hospital |
| MY | Mynydd Bach tv Mynydd Baedan dab Mynydd Emroch tv Mynydd Machen dab tv Mynydd Pencarreg dab tv |
| NA | Nailsworth tv Naish Hill dab Nant Y Moel tv Nantyglo tv Nature Reserve radio Nature Reserve radio Nature Reserve radio Nature Reserve radio Nature Reserve radio Nature Reserve radio |
| NE | Neath Abbey tv Ness of Lewis tv Netherton Braes tv New Addington tv New Barnet tv New Cumnock tv New Galloway tv New Radnor tv Newark radio Newbattle tv Newbury Newbury dab Newcastle dab Newcastle tv Newchurch tv Newhaven dab tv Newhaven MCA Mast radio Newnham tv Newport Newport Bay tv Newry Golf Club radio Newry North tv Newry South tv Newton tv Newton Abbot tv Newton Barrow Newton Ferrers tv Newtongrange Newtown Newtownards tv |
| NI | Nigg Nine Barrow Down dab |
| NO | Norden tv Normanton North Bovey tv North Dorset Council North Hessary Tor dab tv North Looe radio North Oldham tv Northallerton Northampton dab Norwich Central dab tv Nottingham tv Nottingham |
| OA | Oakamoor tv Oakeley Mynd tv Oakenhead tv |
| OB | Oban tv Oban dab |
| OC | Occombe Occombe Valley tv |
| OD | Odiham dab |
| OG | Ogbourne St George tv Ogmore Vale tv |
| OK | Okehampton Okehampton dab tv |
| OL | Old Coulsdon tv Old Knebworth Old Trafford LCCC Olivers Mount dab tv |
| ON | Onich tv |
| OR | Orfordness_B Orpington tv Orton tv |
| OT | Otford tv |
| OU | Oughtibridge tv Oulton dab |
| OV | Over Biddulph tv Over Norton tv Overstrand tv Ovingdean tv |
| OX | Oxcliffe Oxenhope tv Oxford Oxford dab tv |
| PA | Palace Barracks radio Parbold tv Park Royal Water Tower Parkend tv Parwich tv Patcham tv Pateley Bridge Pattiswick |
| PE | Peasmarsh radio Peebles dab tv Peebles Pembroke Dock tv Pen-y-Banc tv Penaligon Down dab tv Pencader tv Penderyn tv Pendle Forest dab tv Penicuik dab tv Penicuik Cricket Club Penifiler tv Penmaen Rhos dab tv Penmon Pennar tv Pennorth tv Pennsylvania tv Penny Bridge tv Penrhiwceiber tv Penrhyn-Coch tv Penrith dab Penryn Penryn tv Penwaun Perranporth tv Perry Beeches tv Perth tv Peterborough dab Peterchurch tv Peterhead tv Peterlee tv |
| PI | Piddletrenthide tv Pierowall tv Pillowell tv Pinwherry tv Pitlochry dab tv |
| PL | Plaistow Plumbridge tv Plumer Barracks Plymouth North Rd tv Plymouth Weston Mill tv Plympton dab tv |
| PO | Polbain Polperro tv Pontardawe tv Pontfadog tv Pontop Pike dab Pontop Pike tv Pontypool dab tv Pontypridd tv Poole Poole dab tv Poole House Poolewe tv Pooley Bridge tv Poplar tv Porlock tv Port Ellen tv Port Henderson radio Port Isaac tv Port St Mary tv Portbury tv Portglenone Porth tv Porthleven tv Porthtowan tv Portishead tv Portland Tower dab Portnahaven tv Portpatrick tv Portreath tv Portree Portslade tv Portwood tv Portwood tv Postwick radio Potternewton Lane Potton Poulner tv |
| PR | Praa Sands tv Presely dab tv Prestatyn tv Prestbury tv Presteigne tv Preston tv Preston Preston Primrose Hill tv Procter Heights radio |
| PU | Pur Down dab Purin Hill dab Puttocks Hill dab |
| PW | Pwll-glas tv |
| PY | Pye Green BT dab |
| QU | Quainton Hill Quarndon dab radio Queslett tv |
| RA | RAF Aldergrove Rails Farm Biddulph Moor Rampisham tv Rams Walk Ramsbottom tv Ramsey Ramsey Ramsey tv Ramsgate Ramsgate tv Ratcliffe Towers Ravenscar tv Ravenscraig tv Ravenstonedale tv Rayleigh radio |
| RE | Reading Redbrook tv Redcliff Bay tv Redditch tv Redmoss dab Redmoss Redruth dab Redruth tv Redruth Reigate dab Reigate tv Reigate Repton tv Reydon |
| RH | Rhayader tv Rheola dab tv Rhondda dab tv Rhondda Fach tv Rhyl Rhymney dab tv |
| RI | Ribblesdale tv Richmond Richmond Hill dab Riddings Hill Ridge Hill dab radio tv Ridge Hill (ITV West) tv Ripley Ripon Ripponden tv Risca tv Riverside House |
| RO | Roadwater tv Rohais radio Romiley tv Rookhope tv Roose tv Rosedale Abbey tv Rosehearty tv Rosemarkie tv Rosemount radio Rosneath dab tv Ross on Wye tv Rostrevor Forest tv Rothbury tv Rotherham Rothesay dab tv Rothesay Town tv Rothesay Town Rough Common Rouncefall (new) tv Rowridge dab tv Royal Court Rounds Garden Royal Infirmary |
| RU | Rugeley tv Rumster Forest dab tv Rusthall |
| RY | Ryde Pier Rye tv |
| SA | Saddleworth dab tv Saffron Green radio Salcombe tv Salisbury dab tv Saltcoats Saltdean tv Samuel Vale House dab Sandale dab Sandale tv Sandwell Sandy Heath dab tv |
| SC | Scalloway tv Scalloway dab Scar Hill Scarborough Scarva Street Banbridge School School School Scots Community Centre radio Scoval tv |
| SE | Seagry Court tv Seaham tv Sedbergh tv Sedgley radio Sedlescombe tv Selattyn Selkirk dab tv Sennybridge tv Sergeant Law dab Sewards End dab |
| SH | Shaftesbury Shaftesbury dab Shatton Edge tv Sheffield MF Shelton Sherborne radio Shilbottle dab Shilton Shooters Hill dab Shotleyfield tv Shrewsbury Shrewton tv |
| SI | Sideway radio Sidmouth dab tv Singleton tv Siston dab tv Sittingbourne |
| SK | Skelmersdale tv Skew Hill radio Skinningrove dab tv Skipton tv Skipton Skipton Town tv Skirmett tv Skriaig dab tv |
| SL | Slad tv Slapton dab tv Slough Slough |
| SN | Snaefell |
| SO | Soar Somerset County Cricket Club Somersham tv Sorn tv South Brent tv South Knapdale dab tv South Maesteg tv South Tredegar tv Southampton Solent University Southway tv |
| SP | Spean Bridge tv Springfield Road Grantham Spur Hill tv |
| ST | St Albans tv St Albans St Anselms Church radio St Anthony-in-Roseland tv St Austell dab tv St Austell RFC St Bees tv St Boswells RFC St Brelades Bay tv St Briavels tv St Catherines Hill dab St Davids tv St Dogmaels tv St Fillans tv St Helier tv St Hilary dab St Johns Beacon dab St Just dab tv St Marks tv St Maws Water Tower dab St Michaels Brierley Hill St Neot tv St Peter Port tv Staffin tv Stafford radio Stagshaw radio Staines dab Staithes tv Stamford tv Stanton Moor dab tv Start Point Stavely In Cartmel tv Stewart Park Court Steyning tv Stirling Hill Stockend Wood dab Stockland Hill dab tv Stockport tv Stocksbridge dab tv Stockton Stockton-on-Tees Stody Stoke Holy Cross dab Stoke Holy Cross Stoke On Trent Stokeinteignhead tv Stonebridge Stonehaven Stoneyfield Storeton tv Stow tv Strabane Strabane dab tv Stracathro Hospital Strachur tv Stranraer dab tv Strathallan tv Strathblane tv Strathyre tv Strathyre Link tv Strode House Tamworth Strontian tv Stroud tv Stroud (High St) |
| SU | Sudbury dab Sudbury tv Suir Valley tv Sunderland tv Sunley Building dab Sunningdale tv Sussex Heights dab Sutton tv Sutton Coldfield dab tv Sutton Common dab Sutton in Ashfield Sutton in Craven tv Sutton Row tv |
| SW | Swimbridge tv Swindon MF Swingate dab Swinster tv Swinton Civic Centre radio |
| SY | Symington |
| TA | Tacolneston dab tv Taffs Well tv Talley tv Tapton Hill dab tv Tarbat Ness Tarbert tv Tarbert (Harris) tv Taunton Taunton Taunton Taunton DAB dab Tavistock tv Tay Bridge dab tv Taynuilt tv Tayvallich tv |
| TE | Tedburn St Mary tv Teignmouth tv Tenbury Wells tv Tenby Tenby dab tv |
| TH | Thanet dab The Bournes tv The Brunel Tower Swindon The Civic Centre The Steam Mill The Trundle dab The Wrekin dab tv The Wrekin B tv Thetford tv Thetford MOD dab Thirsk Thorne Thornhill dab tv Three Rock tv Threlkeld tv Thurso tv |
| TI | Tick Hill dab Tideswell Moor tv Tidworth tv Tidworth Tighnabruaich tv Till Valley tv Tillicoultry tv Tingley Tintern tv Tircoed Titterstone Cleehill dab Tiverton dab tv |
| TO | Todmorden dab tv Tolworth Tower Tomatin tv Tomich tv Tomich Link tv Tomintoul tv Ton Pentre tv Tonabrocky tv Tonbridge radio Tonypandy tv Tonyrefail tv Toot Hill dab Topcliffe Tor Sliasg Torosay tv Torquay Town tv Torteval tv Totley Rise tv Totnes Totnes tv Tottington |
| TR | Trawden tv Trebanog tv Trecastle tv Treencreek dab Trefechan tv Trefilan tv Trefin tv Trefor B tv Tregaron tv Tregynon tv Treharris tv Trent View Flats Trinity radio Trislaig Troon tv Trowell radio Truleigh Hill dab Truro dab tv Truskmore tv |
| TU | Tullich dab tv Tully Quarry dab Tulnagee Quarry radio Tummel Bridge tv Tunbridge Wells dab tv Turners Hill dab Turners Hill 2 Turnpike Hill tv Turves Green tv |
| TW | Twechar tv |
| TY | Tyersal Lane radio Tyne Tunnel Tynewydd tv Tywyn radio |
| UB | Ubley tv |
| UC | Uckfield |
| UI | Uig tv |
| UL | Ullapool tv |
| UN | Union Mills tv University NS352215 radio University of Northampton University of Warwick radio University SD486572 radio University SE622506 radio University SH579721 radio University SJ413877 University SJ746782 University SK547385 University ST770646 University SU425151 University SU986502 radio University SX922940 University TG172066 radio University TL214074 |
| UP | Upavon tv Uplawmoor tv Upper Killay tv Upper Soudley tv |
| UR | Urswick tv |
| US | Usk tv |
| VA | Valley Farm Van Terrace tv Varteg Hill dab |
| VE | Veals Farm radio Ventnor dab tv |
| VI | Vicars Lot Villa Farm radio |
| VO | Voe tv |
| WA | Wales Sheffield Wall tv Wallasey Wallingford Walsall Walsden tv Walsden South tv Waltham dab tv Walthamstow North tv Walton Le Dale tv Wanlockhead tv Wantage Warbreck Wardle tv Warminster Warminster Warren Heath dab Washford tv Washwater Watford YMCA Wattsville tv Waunfawr tv |
| WE | Weardale dab tv Weaverthorpe tv Weisdale tv Wells next the Sea dab tv Welwyn tv Wenallt Wensleydale Wenvoe dab tv West Burton tv West Howe West Kilbride dab tv West Kirby tv West Lavington tv West Linton tv West Lynn radio West Road Newcastle upon Tyne West Runton dab tv West Wycombe tv Westbourne tv Wester Erchite tv Westerglen radio Westgate Hill dab Westward Ho tv Westwood dab tv Westwood Weymouth |
| WH | Whaley Bridge tv Whalley dab tv Wharfedale dab tv Wheatley tv Whitaside tv Whitby tv Whitby dab White Lodge Farm Whitehaven dab tv Whitehaven Whitehaven MF radio Whitehawk Hill dab tv Whitehead tv Whitehills Health Centre radio Whitehouse Farm Whitewell tv Whittingslow tv Whitworth dab tv |
| WI | Wickhambrook dab Widecombe In The Moor tv Wideford Hill Willaston radio William Harvey Hospital Winchcombe Winchcombe dab tv Wincobank tv Windermere dab tv Windmill Business Centre Windsor radio Windsover Farm Middleton Windwhistle Winsh-wen Winshill tv Winter Hill dab tv Winterbourne Steepleton tv Winterbourne Stickland dab tv Withernsea Witney Wivenhoe Park tv Wivenhoe Park |
| WO | Wolverhampton Wonersh tv Wooburn tv Woodbridge dab tv Woodbridge Station Woodchurch Woodcock Hill tv Woodcombe tv Woodford Halse tv Woodnook tv Woofferton Woolacombe tv Wooler tv Woolmoor radio Woolwich tv Wootton Courtenay tv Worcester Worcester MF Workington dab tv Worksop Worlds End tv Worlebury Hill |
| WR | Wrekenton radio Wrexham Wrexham Wrexham Rhos dab tv Wrotham dab |
| WY | Wye dab Wye tv Wyke tv Wythenshawe |
| YE | Yetholm tv |
| YN | Ynys-Pennal tv Ynysowen tv |
| YS | Ystalyfera tv Ystumtuen tv |
| ZO | Zouches Farm dab |