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Freeview reception at W1J 6DL


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 288 mobile phone masts within 1.5km of W1J6DL (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)Crystal Palace LondonPSB1
2BBC TwoCrystal Palace LondonPSB1
3ITV 1 (SD)Crystal Palace LondonPSB2
4Channel 4 (SD)Crystal Palace LondonPSB2
5Channel 5Crystal Palace LondonPSB2
 
6ITV 2Crystal Palace LondonPSB2
8LONDON LIVECrystal Palace LW
9BBC FourCrystal Palace LondonPSB1
10ITV3Crystal Palace LondonPSB2
11Sky ArtsCrystal Palace COM5
 
12QuestCrystal Palace COM6
13E4Crystal Palace LondonPSB2
14Film4Crystal Palace LondonPSB2
15Channel 4 +1Crystal Palace LondonPSB2
17ReallyCrystal Palace COM5
 
18More4Crystal Palace LondonPSB2
19DaveCrystal Palace COM5
20DramaCrystal Palace COM4
215USACrystal Palace COM4
23BBC ThreeCrystal Palace LondonPSB1
 
25WCrystal Palace COM6
26ITV4Crystal Palace LondonPSB2
27YesterdayCrystal Palace COM6
29ITV2 +1Crystal Palace COM4
30E4 +1Crystal Palace LondonPSB2
 
31E4 ExtraCrystal Palace COM5
325STARCrystal Palace COM4
335ActionCrystal Palace COM4
34GREAT! moviesCrystal Palace COM6
35ITV1 +1Crystal Palace LondonPSB2
 
36pickCrystal Palace COM5
39DMAXCrystal Palace COM6
40Quest RedCrystal Palace COM5
41LegendCrystal Palace COM4
42GREAT! movies actionCrystal Palace COM4
 
43Food NetworkCrystal Palace COM5
44HGTVCrystal Palace COM6
46Channel 5 +1Crystal Palace COM4
47Film4 +1Crystal Palace COM5
48ChallengeCrystal Palace COM5
 
494sevenCrystal Palace COM5
565SELECTCrystal Palace PSB3
57Smithsonian ChannelCrystal Palace COM5
58ITVBe +1Crystal Palace COM4
59ITV3 +1Crystal Palace COM4
 
60Drama +1Crystal Palace COM5
64BlazeCrystal Palace COM4
67CBS RealityCrystal Palace COM4
70Quest +1Crystal Palace COM5
71Quest Red +1Crystal Palace COM6
 
73HobbyMakerCrystal Palace COM6
74Dave ja vuCrystal Palace COM4
75Yesterday +1Crystal Palace COM5
78TCCCrystal Palace COM4
81Blaze +1Crystal Palace COM4
 
82Talking Pictures TVCrystal Palace COM6
83Together TVCrystal Palace COM5
84PBS AmericaCrystal Palace COM6
88Classic HitsCrystal Palace COM6
89ITV4 +1Crystal Palace COM4
 
101BBC One HDCrystal Palace PSB3
102BBC Two HDCrystal Palace PSB3
103UTV HDCrystal Palace PSB3
103STV HDCrystal Palace PSB3
103ITV 1 HDCrystal Palace PSB3
 
104Channel 4 HDCrystal Palace PSB3
105Channel 5 HDCrystal Palace PSB3
106BBC Four HDCrystal Palace PSB3
108BBC Scotland HDCrystal Palace PSB3
109BBC Three HDCrystal Palace PSB3
 
110Channel 4 HD (Wales)Crystal Palace PSB3
201CBBCCrystal Palace LondonPSB1
202CBeebiesCrystal Palace LondonPSB1
203CITVCrystal Palace COM4
204CBBC HDCrystal Palace PSB3
 
205CBeebies HDCrystal Palace PSB3
208Pop PlayerCrystal Palace COM4
209Ketchup TVCrystal Palace COM4
210Ketchup TooCrystal Palace COM4
211YAAAS!Crystal Palace COM4
 
231BBC NewsCrystal Palace LondonPSB1
232BBC ParliamentCrystal Palace LondonPSB1
233Sky NewsCrystal Palace COM5
235Al Jazeera EngCrystal Palace COM6
250BBC Red ButtonCrystal Palace LondonPSB1
 

 

Advanced options

Show good and blocked paths from W1J 6DL 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, 6 March 2023
C
Chris.SE
sentiment_very_satisfiedPlatinum

11:21 PM

Luke :

Hi. If that location is very close to Mother Ivy's Bay, then you are about half-way between two transmitters, Caradon Hill to the east of you and Redruth to the SSW. However Caradon Hill is the more powerful transmitter and that location is predicted to get better reception of all 6 multiplexes.

The other disadvantage of Redruth is that is is co-channel for the PSB multiplexes with Wenvoe (across the water near Cardiff) and may give interference problems under adverse conditions, the COM multiplexes are also co-channel with some of Mendip's channels and reception could be variable.
However, you'd need to make sure that the aerial was high enough not to have an obstructed line-of-sight, ie no other caravans directly in the way, or large dense clumps of trees.

For Caradon Hill, your aerial should point at compass bearing 96 degrees (6 degrees S of due E), the rods (or squashed Xs) should be horizontal.
For Redruth, it's compass bearing 205 degrees, that's pretty much SSW, rods horizontal again.
Other than local obstructions, there should be line-of-sight to either transmitter.
Which way do your immediate neighbours point their aerial (which may not be the best of course")?

The UHF channels for Caradon Hill are C28, C25, C22, C21, C24, & C27
& Redruth C41, C44, C47, C48, C33, & C32
both in multiplex order BBCA/PSB1, D3&4/PSB2, BBCB HD/PSB3, SDN/COM4, ArqA/COM5, ArqB/COM6.

You may have to try manual tuning if signals are weak.

link to this comment
Chris.SE's 3,333 posts GB
Wednesday, 8 March 2023
L
Luke
9:43 PM
Kingsbridge

Chris.SE: my holiday home caravan is a challaborough bay near Bigbury on sea in Devon. Regards

link to this comment
Luke's 5 posts GB
Thursday, 9 March 2023
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:07 AM

Luke :

As you didn't give a full postcode, I went by the location information that appeared at the bottom of your previous post (but couldn't find a "challaborough bay" which I assumed was a small unmarked bay on the map). At least Bigbury-on-sea now gives a location where I can find "Challaborough Bay".

It's a poor location I'm afraid, and you will probably be lucky to get any Freeview signals and it will depend on your exact location as to which transmitter you might get some weak signals from.
You will need a high gain Group K aerial and possibly a pre-amp (which should have variable gain).
The aerial would be suitable for any transmitter.

As it so happens the two main transmitters are the same - Caradon Hill and Redruth, the direction is obviously different. Predictions by Freeview are poor, the BBC simply say you are unlikely to get reliable reception.

It's 46km from Caradon Hill and is at compass bearing 304 degrees (between WNW and NW).
It's 96km from Redruth and is at compass bearing 266 degrees (almost due W).
Despite the larger distance you might get more reliable signals from Redruth, try it first (without any pre-amp). I don't think Caradon Hill will be any good, but reception from either transmitter is predicted to be poor and you are unlikely to get all the multiplexes (if any!).
Tuning information as as mentioned in my previous post. Good luck.

However - Predictions, especially in difficult locations aren't 100%. The poor reception of the main transmitters is no doubt due to local terrain - being is a slight valley etc.
So having had a quick look on street view, I see that there are some aerials with their rods vertical and appear to be pointing roughly in a westerly direction, so could be getting signals from a relay transmitter possibly on the east cornish coast. As I mentioned in the previous post -
Do the neighbouring caravans have any aerials? Which way do they point?

Often reception over the water can be quite reasonable but may not be stable.
I suggest point your aerial in the same direction as the neighbours (with the rods (or squashed Xs) vertical and as previously mentioned, try Manual tuning but do so working your way up through the UHF channels (starting at 21) and just see what you pick up. Make a note of the channels with the strongest signals.

Post back with how you get on and as much detail as possible, any signal strength and quality figures, as it might be possible to give further comment.

link to this comment
Chris.SE's 3,333 posts GB
L
Luke
8:44 AM
Kingsbridge

Chris.SE:

Hi, I've just had a look. All the caravans on site have vertical aerials aimed at a mast on the cliff but it doesn't seem to be working

link to this comment
Luke's 5 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

5:34 PM

Luke :

Hi. How far away roughly are we talking for this mast, can you put any name to that part of the coast?
It could be what's called a "self-help" relay which may not be listed anywhere, but I'll try and check some other listings. If it is, and it's an "active" transponder or a transposer, it could have been switched off because of the energy costs at present, it depends on who provides it. If it's there primarily because of the holiday caravans I can't imagine there'll be many there at this time of year, so they may have turned it off.
More detail on it's location may help.

link to this comment
Chris.SE's 3,333 posts GB
L
Luke
6:28 PM
Kingsbridge

Chris.SE: the transmitter is on the cliff next to the holiday park. Thanks

link to this comment
Luke's 5 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

7:22 PM
Kingsbridge

Luke:

If it's on the corner of the cliff next to the beach (by the coastal path) there's no record of it that I can find. I assume it's not a new mobile phone mast and that TV aerials happen to point in that direction!

In which case it could well be a self-help relay and more than likely the site will have something to do with it.
I think your best bet will be to go and ask Parkdean Resorts what they can tell you about it (I assume they'll have a site office). If not, try asking someone in the Nisa Local store to see if they can tell you anything.

link to this comment
Chris.SE's 3,333 posts GB
L
Luke
7:45 PM
Kingsbridge

Thanks for your help. I found this information on it. It looks a bit homemade using standard B&Q aerials! http://tx.mb21.co.uk/gallery/gallerypage.php?txid=1640

link to this comment
Luke's 5 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

8:06 PM

Luke :

Well done for finding that. mb21 was my next point of call for a search just in case it had anything!
Are you looking at the latest pictures with the new lattice mast from 2021, kit doesn't look quite so home-made!

If this information is correct then it's a transposer, but where does it get it's power?

Quote -
Closeup of receive antenna, from Redruth. Challaborough re-transmits all 6 multiplexes. It is a transposer using channels 49,50,54,55,56,59 VP. 700 MHz clearance has yet to be implemented here.
Interesting, if it still uses those channels? Perhaps you can go have a look for a power source (solar?). Ask around if nothing obvious. Please let us know what you find out.

link to this comment
Chris.SE's 3,333 posts GB
Monday, 13 March 2023
C
Chris.SE
sentiment_very_satisfiedPlatinum

3:04 PM

Luke:

Well looking at the latest picture after Storm Eunice repair March 2022, the new receive antenna is suggested pointing at Caradon Hill.
If this self-help relay is now just a (active?) transponder, try Caradon Hill's UHF channels.
If it's still a transposer, no idea which UHF channels might be used as the ones previously mentioned are unlikely to be licenced.
As previously suggested, try a manual tune for every UHF channel starting at C21 and work upto C48 and see what you pick up.
This all assumes that if it's active, it's actually powered at present.

link to this comment
Chris.SE's 3,333 posts GB
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