Freeview reception at AL5 4QH
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 5G-at-700MHz services that may interfere with Freeview reception. For actual mobile device reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 EE VM
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 10 mobile phone masts within 1.5km of AL54QH (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 5G-at-700MHz services that may interfere with Freeview reception. For actual mobile device reception prediction (at 800-960MHz and 1710-2170MHz) see these phone operator's mapping sites: Three O2 EE VM
Predicted Freeview channel list
| 1 | BBC One (SD) | Sandy Heath Cambridge | PSB1 | |
| 2 | BBC Two | Sandy Heath Cambridge | PSB1 | |
| 3 | ITV 1 (SD) | Sandy Heath Anglia (West) | PSB2 | |
| 4 | Channel 4 (SD) | Sandy Heath Anglia (West) | PSB2 | |
| 5 | Channel 5 | Sandy Heath Anglia (West) | PSB2 | |
| 6 | ITV 2 | Sandy Heath Anglia (West) | PSB2 | |
| 8 | LONDON LIVE | Crystal Palace | LW | |
| 9 | BBC Four | Sandy Heath Cambridge | PSB1 | |
| 10 | ITV3 | Sandy Heath Anglia (West) | PSB2 | |
| 11 | Sky Mix | Sandy Heath | COM5 | |
| 12 | Quest | Sandy Heath | COM6 | |
| 13 | E4 | Sandy Heath Anglia (West) | PSB2 | |
| 14 | Film4 | Sandy Heath Anglia (West) | PSB2 | |
| 15 | Channel 4 +1 | Sandy Heath Anglia (West) | PSB2 | |
| 17 | Really | Sandy Heath | COM5 | |
| 18 | More4 | Sandy Heath Anglia (West) | PSB2 | |
| 19 | Dave | Sandy Heath | COM5 | |
| 20 | Drama | Sandy Heath | COM4 | |
| 21 | 5USA | Sandy Heath | COM4 | |
| 23 | BBC Three | Sandy Heath Cambridge | PSB1 | |
| 25 | W | Sandy Heath | COM6 | |
| 26 | ITV4 | Sandy Heath Anglia (West) | PSB2 | |
| 27 | Yesterday | Sandy Heath | COM6 | |
| 28 | ITVBe | Sandy Heath Anglia (West) | PSB2 | |
| 29 | ITV2 +1 | Sandy Heath | COM4 | |
| 30 | E4 +1 | Sandy Heath Anglia (West) | PSB2 | |
| 31 | E4 Extra | Sandy Heath | COM5 | |
| 32 | 5STAR | Sandy Heath | COM4 | |
| 33 | 5Action | Sandy Heath | COM4 | |
| 34 | GREAT! movies | Sandy Heath | COM6 | |
| 35 | ITV1 +1 | Sandy Heath Anglia (West) | PSB2 | |
| 36 | Sky Arts | Sandy Heath | COM5 | |
| 38 | Channel 5 +1 | Sandy Heath | COM4 | |
| 39 | DMAX | Sandy Heath | COM6 | |
| 40 | Quest Red | Sandy Heath | COM5 | |
| 41 | Legend | Sandy Heath | COM4 | |
| 42 | GREAT! action | Sandy Heath | COM4 | |
| 43 | Food Network | Sandy Heath | COM5 | |
| 44 | HGTV | Sandy Heath | COM6 | |
| 46 | 5SELECT | Sandy Heath | PSB3 | |
| 47 | Film4 +1 | Sandy Heath | COM5 | |
| 48 | Challenge | Sandy Heath | COM5 | |
| 49 | 4seven | Sandy Heath | COM5 | |
| 52 | GREAT! romance | Sandy Heath | COM6 | |
| 56 | That's TV (UK) | Sandy Heath | COM6 | |
| 57 | Dave ja vu | Sandy Heath | COM4 | |
| 58 | ITVBe +1 | Sandy Heath | COM4 | |
| 59 | ITV3 +1 | Sandy Heath | COM4 | |
| 60 | Drama +1 | Sandy Heath | COM5 | |
| 61 | GREAT! movies extra | Sandy Heath | COM6 | |
| 63 | GREAT! romance mix | Sandy Heath | COM6 | |
| 64 | Blaze | Sandy Heath | COM4 | |
| 65 | That's TV 2 | Sandy Heath | COM5 | |
| 67 | TRUE CRIME | Sandy Heath | COM4 | |
| 68 | TRUE CRIME XTRA | Sandy Heath | COM4 | |
| 70 | Quest +1 | Sandy Heath | COM5 | |
| 71 | That’s 60s | Sandy Heath | COM6 | |
| 73 | HobbyMaker | Sandy Heath | COM6 | |
| 74 | Yesterday +1 | Sandy Heath | COM5 | |
| 75 | That's 90s | Sandy Heath | COM5 | |
| 78 | TCC | Sandy Heath | COM4 | |
| 81 | Blaze +1 | Sandy Heath | COM4 | |
| 82 | Talking Pictures TV | Sandy Heath | COM6 | |
| 83 | Together TV | Sandy Heath | COM4 | |
| 84 | PBS America | Sandy Heath | COM6 | |
| 89 | ITV4 +1 | Sandy Heath | COM4 | |
| 91 | WildEarth | Sandy Heath | COM4 | |
| 101 | BBC One HD | Sandy Heath | PSB3 | |
| 102 | BBC Two HD | Sandy Heath | PSB3 | |
| 103 | UTV HD | Sandy Heath | PSB3 | |
| 103 | STV HD | Sandy Heath | PSB3 | |
| 103 | ITV 1 HD | Sandy Heath | PSB3 | |
| 104 | Channel 4 HD | Sandy Heath | PSB3 | |
| 105 | Channel 5 HD | Sandy Heath | PSB3 | |
| 106 | BBC Four HD | Sandy Heath | PSB3 | |
| 107 | BBC Three HD | Sandy Heath | PSB3 | |
| 108 | BBC Scotland HD | Sandy Heath | PSB3 | |
| 110 | Channel 4 HD (Wales) | Sandy Heath | PSB3 | |
| 201 | CBBC | Sandy Heath Cambridge | PSB1 | |
| 202 | CBeebies | Sandy Heath Cambridge | PSB1 | |
| 204 | CBBC HD | Sandy Heath | PSB3 | |
| 205 | CBeebies HD | Sandy Heath | PSB3 | |
| 209 | Ketchup TV | Sandy Heath | COM4 | |
| 210 | Ketchup Too | Sandy Heath | COM4 | |
| 211 | YAAAS! | Sandy Heath | COM4 | |
| 231 | BBC News | Sandy Heath Cambridge | PSB1 | |
| 232 | BBC Parliament | Sandy Heath Cambridge | PSB1 | |
| 233 | Sky News | Sandy Heath | COM5 | |
| 235 | Al Jazeera Eng | Sandy Heath | COM6 | |
| 267 | Al Jazeera English | Sandy Heath | COM4 | |
Advanced options
Show good and blocked paths from AL5 4QH 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)
Thursday, 12 December 2013
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lesley8:42 AM
Nottingham
No signal on analogue channels since yesterday hd channels ok. Area ng17 2da. What is wrong?
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lesley's: ...
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Gail9:20 AM
London
I haven't been able to get any TV channels for 24 hours. London N6 5HL
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Gail's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
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Gary k9:37 AM
Bishop's Stortford
I live in bishops Stortford CM234PB and the free view maps show that my aerial should point towards sandy, but they actually point to crystal palace. However, I see that there is a booster transmitter in bishops Stortford that is within range, which of the three transmitters should my aerial point towards please and does my existing aerial work for the other two transmitters or do I need different aerials?
Thanks
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Gary's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
The signal in Hull has been bad these last few days then last night we lost every channel, still same this morning. Almost wasted money on aerial guy, because we get no warning or info about signal problems, Surely something is wrong in Hull with signals
HU5 5DT is my postcode but other people in HU5 area are also affected
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Paul's: mapP's Freeview map terrainP's terrain plot wavesP's frequency data P's Freeview Detailed Coverage
S
Steve11:19 AM
Paul: Very bad inversion effect going on at the moment. Nothing you can do about it.
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L
Lesley12:08 PM
London
For 3 days I have lost channels and when i can watch ITV, BBC is out and vice versa..lost Dave and other channels and lots of break up on some channels
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Lesley's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
D
Darryl4:09 PM
leigh on sea essex no signal received since 7pm last night 11th December can you explain please
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B
BILL A4:38 PM
Gravesend
BILL in DA13 (Dartford/Gravesend, Kent).......Have had no signal since 9pm Tuesday evening............why isn't any mention of the TV reception problems mentioned on the newscasts..........we are able to watch TV programmes (some) on my tablet PC via TV catch up and ITV Player, is there any change in sight
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BILL's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
Gary k: Your aerial should point to the one you want to point it. There is no compulsion to use any particular transmitter!
The Bishop's Stortford relay transmitter carries only PSB (Public Service Broadcaster) channels, so you might like to use either Crystal Palace or Sandy Heath, if at all possible, so as to receive all channels.
It would appear that you are on the edge of the area served by the Bishop's Stortford transmitter and that you might potentially find the signal degraded at times due to interference from other high-power transmitters which use the same frequencies.
I suggest that the area that the Bishop's Stortford is intended to serve is that low-lying and near the river. This presumably has difficulty in achieving reliable reception from Crystal Palace.
Crystal Palace uses Group A channels exclusively and if your aerial is a Group A one (red tip) then it won't be suitable for Bishop's Stortford relay or Sandy Heath's COMs.
See:
Aerials, TV Aerial and Digital Aerial
Sandy Heath's PSBs are Group A and its COMs are top of Group B/bottom of C/D. Thus, for Sandy Heath an aerial spanning at least Group K is required.
For a list of PSB services and a list of COM services, see:
DTG :: DTT Services by Multiplex
Whilst Sandy Heath is only 24 miles away, line-of-sight is obstructed 13 miles away, due to the high ground around Therfield.
The effectivenes of yagi aerials on lower channels (frequencies) isn't as good on higher channels, so for Crystal Palace either use a log periodic or Group A yagi:
Crystal Palace Transmitter
You appear as if you might have line-of-sight to Crystal Palace (this excluding any obstruction on the ground such as buildings and trees):
Terrain between ( m a.g.l.) and (antenna m a.g.l.) - Optimising UK DTT Freeview and Radio aerial location
The area between the yellow line and the pink one is known as the first Fresnel Zone. Objects within it can adversely affect reception. The ground from you up to Sawbridgeworth and the high ground around Epping Green are all within or near to it. For that reason, even though you have line-of-sight you could potentially have difficulty.
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