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Freeview reception at AL7 3PT


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.

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There are 14 mobile phone masts within 1.5km of AL73PT (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

1BBC One (SD)Hertford LondonPSB1
2BBC TwoHertford LondonPSB1
3ITV 1 (SD)Hertford LondonPSB2
4Channel 4 (SD)Hertford LondonPSB2
5Channel 5Hertford LondonPSB2
 
6ITV 2Hertford LondonPSB2
9BBC FourHertford LondonPSB1
10ITV3Hertford LondonPSB2
11Sky ArtsHemel Hempstead COM5
12QuestHemel Hempstead COM6
 
13E4Hertford LondonPSB2
14Film4Hertford LondonPSB2
15Channel 4 +1Hertford LondonPSB2
17ReallyHemel Hempstead COM5
18More4Hertford LondonPSB2
 
19DaveHemel Hempstead COM5
20DramaHemel Hempstead COM4
215USAHemel Hempstead COM4
23BBC ThreeHertford LondonPSB1
25WHemel Hempstead COM6
 
26ITV4Hertford LondonPSB2
27YesterdayHemel Hempstead COM6
29ITV2 +1Hemel Hempstead COM4
30E4 +1Hertford LondonPSB2
31E4 ExtraHemel Hempstead COM5
 
325STARHemel Hempstead COM4
335ActionHemel Hempstead COM4
34GREAT! moviesHemel Hempstead COM6
35ITV1 +1Hertford LondonPSB2
36pickHemel Hempstead COM5
 
39DMAXHemel Hempstead COM6
40Quest RedHemel Hempstead COM5
41LegendHemel Hempstead COM4
42GREAT! movies actionHemel Hempstead COM4
43Food NetworkHemel Hempstead COM5
 
44HGTVHemel Hempstead COM6
46Channel 5 +1Hemel Hempstead COM4
47Film4 +1Hemel Hempstead COM5
48ChallengeHemel Hempstead COM5
494sevenHemel Hempstead COM5
 
565SELECTHertford PSB3
57Smithsonian ChannelHemel Hempstead COM5
58ITVBe +1Hemel Hempstead COM4
59ITV3 +1Hemel Hempstead COM4
60Drama +1Hemel Hempstead COM5
 
64BlazeHemel Hempstead COM4
67CBS RealityHemel Hempstead COM4
70Quest +1Hemel Hempstead COM5
71Quest Red +1Hemel Hempstead COM6
73HobbyMakerHemel Hempstead COM6
 
74Dave ja vuHemel Hempstead COM4
75Yesterday +1Hemel Hempstead COM5
78TCCHemel Hempstead COM4
81Blaze +1Hemel Hempstead COM4
82Talking Pictures TVHemel Hempstead COM6
 
83Together TVHemel Hempstead COM5
84PBS AmericaHemel Hempstead COM6
88Classic HitsHemel Hempstead COM6
89ITV4 +1Hemel Hempstead COM4
101BBC One HDHertford PSB3
 
102BBC Two HDHertford PSB3
103UTV HDHertford PSB3
103STV HDHertford PSB3
103ITV 1 HDHertford PSB3
104Channel 4 HDHertford PSB3
 
105Channel 5 HDHertford PSB3
106BBC Four HDHertford PSB3
108BBC Scotland HDHertford PSB3
109BBC Three HDHertford PSB3
110Channel 4 HD (Wales)Hertford PSB3
 
201CBBCHertford LondonPSB1
202CBeebiesHertford LondonPSB1
203CITVHemel Hempstead COM4
204CBBC HDHertford PSB3
205CBeebies HDHertford PSB3
 
208Pop PlayerHemel Hempstead COM4
209Ketchup TVHemel Hempstead COM4
210Ketchup TooHemel Hempstead COM4
211YAAAS!Hemel Hempstead COM4
231BBC NewsHertford LondonPSB1
 
232BBC ParliamentHertford LondonPSB1
233Sky NewsHemel Hempstead COM5
235Al Jazeera EngHemel Hempstead COM6
250BBC Red ButtonHertford LondonPSB1

 

Advanced options

Show good and blocked paths from AL7 3PT 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)

Comments
Tuesday, 6 February 2018
R
Roy Isaacson
7:59 PM

How do I test the receptionist from my arial

link to this comment
Roy Isaacson's 1 post GB
Roy's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data wifiR's R&TI Service businessR's digitaluk trade radioR's DAB coverage
Wednesday, 7 February 2018
MikeP
sentiment_very_satisfiedPlatinum

12:02 AM

Roy Isaacson:

I presume you mean to ask how to check the reception from your aerial? Arial is a type face used in printing, etc. A Receptionist works in the front office of a business. I presume you relied on predictive text, which has serious limitations in any technical sphere.

To anser the questio I think you are asking, your TV set will have a facility for manual tuning and that will show a signal strength reading - check your User Manual for how to do that. DO NOT perform any manual tuning, merely read the numbers for signal strength. Ideally they should be between 60% and 85% on all channels. Any higher or lower will give reception problems such as picture break up, loss of sound or even total loss of a channel.





link to this comment
MikeP's 3,056 posts GB
Tuesday, 13 February 2018
R
Richard Saul
9:37 AM

I'm on the Sandy Heath transmitter (Cambridge) which from maps shows we are close to the edge of the signal. We switched from Sky to BT six months ago and started to loose the picture when planes from military base flew over - not really to much of a problem. Over the last 6 weeks the picture has started to break up a lot on the HD channels. So bad that we cannot watch mainstream channels in HD. I bought a booster box and fitted it yesterday but it has made no difference - last night was fine, but this morning it's poor again. The signal strength is 100% on all channels, but the picture quality is all over the place and every 15 seconds it drops to zero and the picture disappears. Do you think an attenuator would help, could the signal strength be too high?

link to this comment
Richard Saul's 1 post GB
Richard's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data wifiR's R&TI Service businessR's digitaluk trade radioR's DAB coverage
M
MikeB
sentiment_very_satisfiedPlatinum

10:29 AM

Richard Saul:
'The signal strength is 100% on all channels, but the picture quality is all over the place and every 15 seconds it drops to zero and the picture disappears. Do you think an attenuator would help, could the signal strength be too high?'

YES!

100% is far too high. But check your system first, without a booster, looking at which transmitter you should be on (Sandy Heath looks fine), and then look at signal strength. If your losing channels, its a classic sign of a problem with your system. Buying a booster can offset that, but wont solve it, and might actually cause more problems.

Start with cables and connections - it might as simple as a dodgy connection.

link to this comment
MikeB's 2,579 posts GB
L
lynda
7:45 PM

Can our property receive Freeview HD on an indoor aerial?

Which aerial is the best to install?

link to this comment
lynda's 1 post GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

11:07 PM

lynda: Most indoor aerials are rubbish (they are usually little more than a piece of wire sticking out of an amplifier) and will only give good reception if you have a strong signal. If you provide a full postcode you'll get a coverage prediction which will allow further advice to be given.

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StevensOnln1's 3,435 posts GB
Sunday, 18 February 2018
P
peter rance
12:36 PM
Canvey Island

I have a problem i have a humax fvp=5000t freeview, using the arial settings roof top to Blubell hill Trasmitter as the arial guy said it was the better signal instead of the London Crystal Palace transmitter, arial was put up about 4 years ago, i have someone elses arial which is faulty and in strong winds it leans on my arial, i think its made my arial move a bit, My problem is i now get a 1 or 2 second picture freeze on most channels,
I live on Canvey Island in Essex, post code is ss8 7rn . On checking your map and using predicted signal for ss8 7rn they all come up with the London Crystal palace Transmitter, Is This picture freeze due to faulty humax or is it down to not being lined to the right transmitter.Im due to get a new 4g tv so would i be better of getting a new Arial to replace my old one. Thank you

link to this comment
peter rance's 13 posts GB
M
MikeB
sentiment_very_satisfiedPlatinum

10:15 PM

peter rance: Check your signal strength. Humax have sensitive tuners, and so if your getting too strong a signal (80% plus), then you will get breakup. Thats easily sorted.

If its too weak, then at least you can narrow down the possible causes.

link to this comment
MikeB's 2,579 posts GB
Monday, 19 February 2018
P
peter rance
1:17 AM

MikeB: hi Mike my tuner signal strength is 81%, and quality 100% Just so annoying withv it keep freezing for 1 or 2 seconds. would not advise anyone to get a Humax, their support is non existant

link to this comment
peter rance's 13 posts GB
M
MikeB
sentiment_very_satisfiedPlatinum

10:01 AM

peter rance: 81% is too high, as you can see if you look at the page 'too much of a good thing'.

Thats why you have a problem - every so often the tuner is being overwhelmed by the signal strength and breaking up. Its not a fault with the PVR (and anyway, its only Panasonic and Humax that really supply PVR's these days) but simply a need to damped down the signal a little.

I use fixed strength attenuators which I bought off Amazon, which can be fitted together to cut the strength by a varying amount.


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MikeB's 2,579 posts GB
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Your comment please
Please post a question, answer or commentIf you have Freeview reception problems before posting a question your must first do this Freeview reset procedure then see: Freeview reception has changed, Single frequency interference, and Freeview intermittent interference.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

If you have other problems, please provide a full (not partial) postcode (or preferably enter it in box at the top right) and indicate where if aerial is on the roof, in the loft or elsewhere.

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