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Freeview reception at BS15 1BQ


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 16 mobile phone masts within 1.5km of BS151BQ (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

E4 (Wales)Mendip COM4
1BBC One (SD)Mendip WestPSB1
2BBC TwoMendip WestPSB1
3ITV 1 (SD)Mendip WestPSB2
4Channel 4 (SD)Mendip WestPSB2
 
5Channel 5Mendip WestPSB2
6ITV 2Mendip WestPSB2
7Made in BristolMendip LBS
8Made in CardiffWenvoe LCF
9BBC FourMendip WestPSB1
 
10ITV3Mendip WestPSB2
11Sky MixMendip COM5
12QuestMendip COM6
13E4Mendip WestPSB2
14Film4Mendip WestPSB2
 
15Channel 4 +1Mendip WestPSB2
17ReallyMendip COM5
18More4Mendip WestPSB2
19DaveMendip COM5
20DramaMendip COM4
 
215USAMendip COM4
23BBC ThreeMendip WestPSB1
25WMendip COM6
26ITV4Mendip WestPSB2
27YesterdayMendip COM6
 
28ITVBeMendip WestPSB2
29ITV2 +1Mendip COM4
30E4 +1Mendip WestPSB2
31E4 ExtraMendip COM5
325STARMendip COM4
 
335ActionMendip COM4
34GREAT! moviesMendip COM6
35ITV1 +1Mendip WestPSB2
36Sky ArtsMendip COM5
38Channel 5 +1Mendip COM4
 
39DMAXMendip COM6
40Quest RedMendip COM5
41LegendMendip COM4
42GREAT! actionMendip COM4
43Food NetworkMendip COM5
 
44HGTVMendip COM6
465SELECTWenvoe PSB3
47Film4 +1Mendip COM5
48ChallengeMendip COM5
494sevenMendip COM5
 
52GREAT! romanceMendip COM6
56That's TV (UK)Mendip COM6
57Dave ja vuMendip COM4
58ITVBe +1Mendip COM4
59ITV3 +1Mendip COM4
 
60Drama +1Mendip COM5
61GREAT! movies extraMendip COM6
63GREAT! romance mixMendip COM6
64BlazeMendip COM4
65That's TV 2Mendip COM5
 
67TRUE CRIMEMendip COM4
68TRUE CRIME XTRAMendip COM4
70Quest +1Mendip COM5
71That’s 60sMendip COM6
73HobbyMakerMendip COM6
 
74Yesterday +1Mendip COM5
75That's 90sMendip COM5
78TCCMendip COM4
81Blaze +1Mendip COM4
82Talking Pictures TVMendip COM6
 
83Together TVMendip COM4
84PBS AmericaMendip COM6
89ITV4 +1Mendip COM4
91WildEarthMendip COM4
101BBC One HDWenvoe PSB3
 
102BBC Two HDWenvoe PSB3
103ITV 1 HDWenvoe PSB3
103UTV HDWenvoe PSB3
103STV HDWenvoe PSB3
104Channel 4 HDWenvoe PSB3
 
105Channel 5 HDWenvoe PSB3
106BBC Four HDWenvoe PSB3
107BBC Three HDWenvoe PSB3
108BBC Scotland HDWenvoe PSB3
110Channel 4 HD (Wales)Wenvoe PSB3
 
201CBBCMendip WestPSB1
202CBeebiesMendip WestPSB1
204CBBC HDWenvoe PSB3
205CBeebies HDWenvoe PSB3
209Ketchup TVMendip COM4
 
210Ketchup TooMendip COM4
211YAAAS!Mendip COM4
231BBC NewsMendip WestPSB1
232BBC ParliamentMendip WestPSB1
233Sky NewsMendip COM5
 
235Al Jazeera EngMendip COM6
267Al Jazeera EnglishMendip COM4

 

Advanced options

Show good and blocked paths from BS15 1BQ 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
Monday, 10 July 2017
S
StevensOnln1
sentiment_very_satisfiedPlatinum

6:28 PM

JOSETTE GERLIER: There have been no technical changes announced for Channel 4 and therefore no need to retune. I've got program data for Friday but I can't see data for any of Channel 4's various channels on Freeview from Saturday onwards. I suspect this is probably just a fault with data supplied by Channel 4 that should be resolved soon.

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StevensOnln1's 3,607 posts GB flag
J
Jane Cresswell
8:08 PM
Taunton

Some of my channels - for example 10 ITV3 and 20 Drama amongst others - seem to have disappeared over night; I have tried re-tuning but they haven't re-appeared! Have there been some changes ?

Thank you.

link to this comment
Jane Cresswell's 2 posts GB flag
Jane's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
M
MikeB
sentiment_very_satisfiedPlatinum

10:42 PM
Peterborough

Jane Cresswell: Your 40km from Mendip, so its likely your aerial system is failing - check for loose or damaged cables, etc.

link to this comment
MikeB's 2,579 posts GB flag
MikeB's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 11 July 2017
J
Jane Cresswell
6:36 PM
Taunton

MikeB:

Many thanks, Mike; I'll check everything and see what happens!

link to this comment
Jane Cresswell's 2 posts GB flag
Jane's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
R
raymond harris
8:26 PM

Thank you StevensOnln1 for explaining to Mike B what a mains adapter is.
I still have the problem though. I believe it's an aerial connection fault somewhere as the TV is OK on standard but unstable on HD.

link to this comment
raymond harris's 4 posts GB flag
M
MikeB
sentiment_very_satisfiedPlatinum

10:01 PM
Peterborough

raymond harris: I'm very aware as to what the mains adapter was...since I read the instructions! It would perhaps be helpful if you did the same.

link to this comment
MikeB's 2,579 posts GB flag
MikeB's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
Tuesday, 18 July 2017
E
Emma Atkinson
7:25 PM
Shoreham-by-sea

I am not sure the Freeview antenna solution each house nearby will need will be affordable for our area. I think the mobile network firms will want to offload the risk of poor reception onto local TV antenna firms and households; or push us onto Virgin Media cable, FreeSAT and Sky.

I have been analysing the predicted Freeview Channel List for BN43 5LG and combined that information with transmitter information for Rowridge and Whitehawk transmitters, their polarisations and power levels and signal path lengths given on the terrain diagrams.

To cope with the forthcoming changes I reckon that we will need
(a) 3 antennae, two pointing West and one pointing East as now.
(b) possibly a signal amplifier or two or three
(c) move the antennae outside onto a guyed mast
(d) a signal mixer / bandpass filter arrangement to mix down the antenna feeds into a single cable for distribution to rooms inside the house.

Signal Strength Calculations
#1 Vertical Long Yagi Antenna for Rowridge PSB1, PSB2, PSB3. These output 200kW ERP in Vertical polarisation on UHF C21 to C27. The signal travels over 78km; mainly sea. Signal strength is likely to vary in calm weather due to multipath effects due to reflections off a smooth water surface as the tide rises and falls. The nearby church is likely to attenuate the signal. The increased likelihood of rain suggest an extra 6dB to 12dB margin might be prudent if it does not overload receivers under normal conditions. I tried pointing a loft antenna at Rowridge a long while ago without much luck. Admittedly, I did not try very hard because the Whitehawk signal was easier to make work at that time. The Whitehawk signal reflected off the church nicely too.

#2 Horizontal Long Yagi Antenna and band-filtered masthead amplifier: Rowridge COM7 (24kW), COM8(18kW), LSO(10kW) on UHF C29 to CH37. The signal travels over 78km mainly sea. It is likely to need a 15dB masthead signal booster to raise the signal level to that of PSB1, 2 and 3. The nearby church might attenuate the signal. The increased likelihood of rain suggest an extra 6dB to 12dB margin might be prudent if it does not overload receivers.

#3 Vertical Long Yagi Antenna: Whitehawk COM4, COM5, COM6 (4kW) and LBN (0.4kW). This is about 17dB weaker ERP than Rowridge but much nearer at 12km (equivalent to a 16dB boost). They should be about the same signal strength. My calculation ignored obstacles and the increased likelihood of a lot of rain between here and the Isle of Wight. Some multipath deterioration in signal may be experienced in calm weather when the sea is flat as the tide rises or falls. Some reflection off of other buildings such as the power station chimney may be involved too. So we need to ensure that there is both a good signal quality and a strong signal under normal conditions on all multiplexes.

Weather and Outside Antennas
Our house faces the prevailing SW weather directly off the sea. Most of the year the weather is great; the wind always carries some saltiness and causes rusting. However, often around equinoxes, we get some days with very strong, salty, sandy, wet and gusty gale force winds (G8 to G10 Beaufort). Any outside antenna array (3 long yagis at lower end of UHF TV spectrum) and masthead amplifiers and its masting arrangement will be required to handle this weather without causing or suffering damage. Our chimney stack is unlikely to be strong enough on its own.

What do I have now?
Presently, I have a high quality single wideband antennae in the loft pointed at Whitehawk with about 12dB signal boost near the antenna. I get generally good Freeview reception. I had to position the antenna carefully in the loft and adjust the amplifier gain to get the signal up on all channels (lots of trial and error with an antenna signal meter device).

Who is doing the work?
Q1: Who will design and build the new antenna system required?
Local antenna firms have failed to design a successful solution for just Whitehawk. I don't think they have the skills. The previous owner's contractor ended up walking away after repeated calls to fix poor reception. Some TV installation firms I went to plainly don't appear to know what they are talking about - expecting me to swallow nonsense.

I fear we will end up losing, having to find our own solution without reimbursement from the mobile network operators.

Q2: Is setting to work a capable installation going to be covered by the mobile phone operators even if I design and build it?

Q3: If not what might they offer as an alternative? FreeSAT, Virgin cable, Sky subscription for life

Q4: Finally, has anyone asked Eon if they can build and install a Freeview and DAB repeater on the massive Rampion Wind Farm export sub-station? It is being constructed over the course of this year just 8km away from a huge stretch of the south coast and there is a clear line of sight path to Rowridge. Electrical power shouldn't be a problem. Maintenance out at sea might be rather more expensive than a man or woman in a van. But it might remove the need for Whitehawk and a few Freeview local area transmitters.

I hope you can help

Regards
Emma Atkinson



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Emma Atkinson's 3 posts GB flag
Emma's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
Wednesday, 19 July 2017
MikeP
sentiment_very_satisfiedPlatinum

10:50 AM

Emma:

I congratulate you on your thoroughness. However, you will not need 3 aerials at all, one log-periodic will suffice. That should be aimed at Whitehawk Hill and not Rowridge. If you look at Coverage Checker - Detailed View you will see that the only transmitter providing reasonably good service at your location is Whitehawk Hill. The other listed are too far away for reliable reception.

The frequency changes planned do not affect the coverage of any transmitter significantly, so by using a good log-periodic will allow reception of all current and foreseeable future transmissions. I doubt you will need an amplifier at only 12km from the transmitter.

COM7 and COM8 are likely to cease when the 700MHz changes take place as they were only ever intended as a temporary solution to limited capacity.

Note that there will be a gradual change from DVB-T transmissions to use DVB-T2 encoding, which is much more efficient in usage of available bandwidth as well as allowing more channels and more HD services. So any equipment used should become Freeview HD certified.

If you were ever to consider a guyed mast for your aerial, you will need to discuss with your local planning authority whether you will need planning consent and/or building regulations approval. Best to ask first.

You should always check the reported signal strengths on your TV. The ideal is between 60% and 85%, less is unreliable and more will cause loss of pictures and/or sound (even though you have a strong signal, it can be too strong).

So the situation is not a complicated as you fear. A single simple log-periodic properly positioned and aimed should be sufficient for your needs. I am assuming you are not on a communal aerial. If you are, the aerial system is entirely a matter for the managing agents of the property.



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MikeP's 3,056 posts GB flag
Saturday, 29 July 2017
S
Steve carvalhi
8:44 AM

No locals Chanel

link to this comment
Steve carvalhi's 1 post GB flag
MikeP
sentiment_very_satisfiedPlatinum

10:22 AM

Steve Carvahli:

To assist you we need you to provide a full post code please. There could be many reasons for you not receiving local channels. Please will you check with your neighbours as to whether they are receiving those channels.



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MikeP's 3,056 posts GB flag
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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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