Freeview reception at BT92 1DE
For reliable and stable Freeview reception, you need an unobstructed path between the TV aerial on your roof and the digital TV transmitter. The map below shows the transmitters predicted to provide a signal at this location.
You can click on any transmitter symbol to show the coverage area as a green overlay on the map. Double click on a transmitter symbol to go to the transmitter information page.
You can also view the ten closest potential '4G-at-800' mobile phone masts within 1.5km of the selected location - these masts may be used for 4G-at-800 mobile broadband services from 2013-2015.
These icons show the potential locations for 4G-at-700MHz services that may interfere with Freeview reception at some point from 2020 when the 5G 700MHz services start.
For actual mobile phone reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 T-Mobile EE Virgin
You can click on any transmitter symbol to show the coverage area as a green overlay on the map. Double click on a transmitter symbol to go to the transmitter information page.
You can also view the ten closest potential '4G-at-800' mobile phone masts within 1.5km of the selected location - these masts may be used for 4G-at-800 mobile broadband services from 2013-2015.
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There are 0 mobile phone masts within 1.5km of BT921DE (page shows closest 10)What do the map symbols mean?
EE, Multiple operators, O2, 3, Vodafone, location on line-of-sight, Selected location, Freeview transmitter, Freeview light transmitter, Engineering/fault today.These icons show the potential locations for 4G-at-700MHz services that may interfere with Freeview reception at some point from 2020 when the 5G 700MHz services start.
For actual mobile phone reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 T-Mobile EE Virgin
Predicted Freeview channel list
| RTÉ2 HD | Clermont Carn | SV1 | ||
| RTÉ One HD | Clermont Carn | SV2 | ||
| Virgin Media 1 | Clermont Carn | SV1 | ||
| TG4 (RoI) | Clermont Carn | SV1 | ||
| Virgin Media 3 | Clermont Carn | SV2 | ||
| RTÉ One +1 | Clermont Carn | SV2 | ||
| Virgin Media 2 | Clermont Carn | SV2 | ||
| RTÉ jr | Clermont Carn | SV2 | ||
| RTÉ2+1 | Clermont Carn | SV2 | ||
| RTÉ News Now | Clermont Carn | SV1 | ||
| Tithe an Oireachtais | Clermont Carn | SV1 | ||
| Saorview Information (* | Clermont Carn | SV2 | ||
| 1 | BBC One (SD) | Brougher Mountain Northern Ireland | PSB1 | |
| 2 | BBC Two | Brougher Mountain Northern Ireland | PSB1 | |
| 3 | ITV 1 (SD) | Brougher Mountain UTV | PSB2 | |
| 4 | Channel 4 (SD) | Brougher Mountain UTV | PSB2 | |
| 5 | Channel 5 | Brougher Mountain UTV | PSB2 | |
| 6 | ITV 2 | Brougher Mountain UTV | PSB2 | |
| 9 | BBC Four | Brougher Mountain Northern Ireland | PSB1 | |
| 10 | ITV3 | Brougher Mountain UTV | PSB2 | |
| 11 | Sky Arts | Brougher Mountain | COM5 | |
| 12 | Quest | Brougher Mountain | COM6 | |
| 13 | E4 | Brougher Mountain UTV | PSB2 | |
| 14 | Film4 | Brougher Mountain UTV | PSB2 | |
| 15 | Channel 4 +1 | Brougher Mountain UTV | PSB2 | |
| 17 | Really | Brougher Mountain | COM5 | |
| 18 | More4 | Brougher Mountain UTV | PSB2 | |
| 19 | Dave | Brougher Mountain | COM5 | |
| 20 | Drama | Brougher Mountain | COM4 | |
| 21 | 5USA | Brougher Mountain | COM4 | |
| 23 | BBC Three | Brougher Mountain Northern Ireland | PSB1 | |
| 25 | W | Brougher Mountain | COM6 | |
| 26 | ITV4 | Brougher Mountain UTV | PSB2 | |
| 27 | Yesterday | Brougher Mountain | COM6 | |
| 29 | ITV2 +1 | Brougher Mountain | COM4 | |
| 30 | E4 +1 | Brougher Mountain UTV | PSB2 | |
| 31 | E4 Extra | Brougher Mountain | COM5 | |
| 32 | 5STAR | Brougher Mountain | COM4 | |
| 33 | 5Action | Brougher Mountain | COM4 | |
| 34 | GREAT! movies | Brougher Mountain | COM6 | |
| 35 | ITV1 +1 | Brougher Mountain UTV | PSB2 | |
| 36 | pick | Brougher Mountain | COM5 | |
| 39 | DMAX | Brougher Mountain | COM6 | |
| 40 | Quest Red | Brougher Mountain | COM5 | |
| 41 | Legend | Brougher Mountain | COM4 | |
| 42 | GREAT! movies action | Brougher Mountain | COM4 | |
| 43 | Food Network | Brougher Mountain | COM5 | |
| 44 | HGTV | Brougher Mountain | COM6 | |
| 46 | Channel 5 +1 | Brougher Mountain | COM4 | |
| 47 | Film4 +1 | Brougher Mountain | COM5 | |
| 48 | Challenge | Brougher Mountain | COM5 | |
| 49 | 4seven | Brougher Mountain | COM5 | |
| 53 | TG4 | Brougher Mountain | NIMM | |
| 54 | RTÉ One | Brougher Mountain | NIMM | |
| 55 | RTÉ Two | Brougher Mountain | NIMM | |
| 56 | 5SELECT | Brougher Mountain | PSB3 | |
| 57 | Smithsonian Channel | Brougher Mountain | COM5 | |
| 58 | ITVBe +1 | Brougher Mountain | COM4 | |
| 59 | ITV3 +1 | Brougher Mountain | COM4 | |
| 60 | Drama +1 | Brougher Mountain | COM5 | |
| 64 | Blaze | Brougher Mountain | COM4 | |
| 67 | CBS Reality | Brougher Mountain | COM4 | |
| 70 | Quest +1 | Brougher Mountain | COM5 | |
| 71 | Quest Red +1 | Brougher Mountain | COM6 | |
| 73 | HobbyMaker | Brougher Mountain | COM6 | |
| 74 | Dave ja vu | Brougher Mountain | COM4 | |
| 75 | Yesterday +1 | Brougher Mountain | COM5 | |
| 78 | TCC | Brougher Mountain | COM4 | |
| 81 | Blaze +1 | Brougher Mountain | COM4 | |
| 82 | Talking Pictures TV | Brougher Mountain | COM6 | |
| 83 | Together TV | Brougher Mountain | COM5 | |
| 84 | PBS America | Brougher Mountain | COM6 | |
| 88 | Classic Hits | Brougher Mountain | COM6 | |
| 89 | ITV4 +1 | Brougher Mountain | COM4 | |
| 101 | BBC One HD | Brougher Mountain | PSB3 | |
| 102 | BBC Two HD | Brougher Mountain | PSB3 | |
| 103 | ITV 1 HD | Brougher Mountain | PSB3 | |
| 103 | STV HD | Brougher Mountain | PSB3 | |
| 103 | UTV HD | Brougher Mountain | PSB3 | |
| 104 | Channel 4 HD | Brougher Mountain | PSB3 | |
| 105 | Channel 5 HD | Brougher Mountain | PSB3 | |
| 106 | BBC Four HD | Brougher Mountain | PSB3 | |
| 108 | BBC Scotland HD | Brougher Mountain | PSB3 | |
| 109 | BBC Three HD | Brougher Mountain | PSB3 | |
| 110 | Channel 4 HD (Wales) | Brougher Mountain | PSB3 | |
| 201 | CBBC | Brougher Mountain Northern Ireland | PSB1 | |
| 202 | CBeebies | Brougher Mountain Northern Ireland | PSB1 | |
| 203 | CITV | Brougher Mountain | COM4 | |
| 204 | CBBC HD | Brougher Mountain | PSB3 | |
| 205 | CBeebies HD | Brougher Mountain | PSB3 | |
| 208 | Pop Player | Brougher Mountain | COM4 | |
| 209 | Ketchup TV | Brougher Mountain | COM4 | |
| 210 | Ketchup Too | Brougher Mountain | COM4 | |
| 211 | YAAAS! | Brougher Mountain | COM4 | |
| 231 | BBC News | Brougher Mountain Northern Ireland | PSB1 | |
| 232 | BBC Parliament | Brougher Mountain Northern Ireland | PSB1 | |
| 233 | Sky News | Brougher Mountain | COM5 | |
| 235 | Al Jazeera Eng | Brougher Mountain | COM6 | |
| 250 | BBC Red Button | Brougher Mountain Northern Ireland | PSB1 |
Advanced options
Show good and blocked paths from BT92 1DE for aerial height of ...10m20m (Angel of the North)25m30m40m56m (Hyde Park Flats, Sheffield)62m (Monument)90m (Royal Liver Building, Liverpool)107m (Meridian Quay Tower, Swansea)115m (Bridgewater Place, Leeds)127m (Glasgow Tower)143m (Guy's Hospital)158m (Blackpool Tower)170m (Spinnaker Tower, Portsmouth)180m (The Gherkin/BT Tower) 193m (Tower 42)235m (Canary Wharf)310m (The Shard)(default view)
Monday, 22 May 2017
G
Graham Jones3:59 PM
Alloa
The aerial is in the loft and we had good reception on all channels until quite recently. We now have several channels with either no signal or break up intermittantly. I have retuned from scratch without any difference being made there are no new electronic items in the home. All the channels are on Black Hill COM4 they are channels 10, 20, 66 etc.
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Graham Jones: Your just 31km from the transmitter (Black Hill) - so its unlikely to be a problem with you getting a signal.
Check the signal strength - is it too high or too low. A month ago you had a retune event, and it could be that signal levels have risen at that point, and now its a bit high on some muxes, hence the 'no signal', etc.
But if you signal levels are low, then its certainly your system - so check for frayed cables, loose connections, etc.
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Friday, 26 May 2017
getting break up on channels on Multiplex COM4 - SDN - SDN Ltd - ilchester crescent transmitter
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Saturday, 27 May 2017
MikeP
10:28 AM
10:28 AM
Paul Denning:
There is no fault reported at the Bristol Ilchester Crescent transmitter. Check your aerial cables and connections. Also check you signal strength, if it is above 85% then search this website for 'too much of a good thing' as too high signal will cause your problem.
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P
paul denning6:27 PM
paul denning: the breakup cleared after a few hours
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paul denning: You very close to the transmitter, and MikeP rightly suggested too high a signal. Just because the signal has stopped breaking up does not mean its cured - it could just be that high pressure etc has pushed signal strength above the point where the tuner is happy. But its probably going to happen again.
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Sunday, 28 May 2017
P
paul denning7:44 PM
MikeB: yes I understand what high pressure does to tv signals - but would expect it would happen to more than one mux at a time
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Monday, 29 May 2017
MikeP
10:47 AM
10:47 AM
Paul Denning:
It is not just high pressure that causes problems such as you report. Being so close to the transmitter means that you may well be receiving too much signal which overloads the tuner in your equipment, so causing break up. It will vary by small amounts with different weather patterns, but the weather is unlikely to be the main cause of your reported problems.
Please chack the signal strengths for all the available multiplexes. If they, or any one of them, is above 85% then you have too much signal and it needs to be reduced by fitting an in-line attenuator. They come in various strengths so try a 6dB one first. They are quite cheap to buy on line and be prepared to fit a stronger one of 12dB if necessary to give good performance. Your signal strengths must be between 55% and 85% for SD multiplexes and between 65% and 85% for HD multiplexes.
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paul denning: All I meant was that a very slight change would mean that your signal would change in a way that would be noticed - it could be any variable.
As MikeP says, get a load of attentuators - you can put them in series, to get the right level. 6km is very close to the transmitter, you've been lucky it hasn't happened before.
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P
paul denning5:18 PM
MikeP: thanks for your advice -I will see what happens
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