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Freeview reception at SO50 6NS


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 4 mobile phone masts within 1.5km of SO506NS (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

1BBC One (SD)Rowridge SouthPSB1
2BBC TwoRowridge SouthPSB1
3ITV 1 (SD)Rowridge Meridian (South Coast)PSB2
4Channel 4 (SD)Rowridge Meridian (South Coast)PSB2
5Channel 5Rowridge Meridian (South Coast)PSB2
 
6ITV 2Rowridge Meridian (South Coast)PSB2
7That's SolentRowridge LSO
9BBC FourRowridge SouthPSB1
10ITV3Rowridge Meridian (South Coast)PSB2
11Sky MixRowridge COM5
 
12QuestRowridge COM6
13E4Rowridge Meridian (South Coast)PSB2
14Film4Rowridge Meridian (South Coast)PSB2
15Channel 4 +1Rowridge Meridian (South Coast)PSB2
17ReallyRowridge COM5
 
18More4Rowridge Meridian (South Coast)PSB2
19DaveRowridge COM5
20DramaRowridge COM4
215USARowridge COM4
23BBC ThreeRowridge SouthPSB1
 
25WRowridge COM6
26ITV4Rowridge Meridian (South Coast)PSB2
27YesterdayRowridge COM6
28ITVBeRowridge Meridian (South Coast)PSB2
29ITV2 +1Rowridge COM4
 
30E4 +1Rowridge Meridian (South Coast)PSB2
31E4 ExtraRowridge COM5
325STARRowridge COM4
335ActionRowridge COM4
34GREAT! moviesRowridge COM6
 
35ITV1 +1Rowridge Meridian (South Coast)PSB2
36Sky ArtsRowridge COM5
38Channel 5 +1Rowridge COM4
39DMAXRowridge COM6
40Quest RedRowridge COM5
 
41LegendRowridge COM4
42GREAT! actionRowridge COM4
43Food NetworkRowridge COM5
44HGTVRowridge COM6
465SELECTRowridge PSB3
 
47Film4 +1Rowridge COM5
48ChallengeRowridge COM5
494sevenRowridge COM5
52GREAT! romanceRowridge COM6
56That's TV (UK)Rowridge COM6
 
57Dave ja vuRowridge COM4
58ITVBe +1Rowridge COM4
59ITV3 +1Rowridge COM4
60Drama +1Rowridge COM5
61GREAT! movies extraRowridge COM6
 
63GREAT! romance mixRowridge COM6
64BlazeRowridge COM4
65That's TV 2Rowridge COM5
67TRUE CRIMERowridge COM4
68TRUE CRIME XTRARowridge COM4
 
70Quest +1Rowridge COM5
71That’s 60sRowridge COM6
73HobbyMakerRowridge COM6
74Yesterday +1Rowridge COM5
75That's 90sRowridge COM5
 
78TCCRowridge COM4
81Blaze +1Rowridge COM4
82Talking Pictures TVRowridge COM6
83Together TVRowridge COM4
84PBS AmericaRowridge COM6
 
89ITV4 +1Rowridge COM4
91WildEarthRowridge COM4
101BBC One HDRowridge PSB3
102BBC Two HDRowridge PSB3
103UTV HDRowridge PSB3
 
103STV HDRowridge PSB3
103ITV 1 HDRowridge PSB3
104Channel 4 HDRowridge PSB3
105Channel 5 HDRowridge PSB3
106BBC Four HDRowridge PSB3
 
107BBC Three HDRowridge PSB3
108BBC Scotland HDRowridge PSB3
110Channel 4 HD (Wales)Rowridge PSB3
201CBBCRowridge SouthPSB1
202CBeebiesRowridge SouthPSB1
 
204CBBC HDRowridge PSB3
205CBeebies HDRowridge PSB3
209Ketchup TVRowridge COM4
210Ketchup TooRowridge COM4
211YAAAS!Rowridge COM4
 
231BBC NewsRowridge SouthPSB1
232BBC ParliamentRowridge SouthPSB1
233Sky NewsRowridge COM5
235Al Jazeera EngRowridge COM6
267Al Jazeera EnglishRowridge COM4
 

 

Advanced options

Show good and blocked paths from SO50 6NS 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, 3 January 2022
G
Glen Lucas
6:41 PM
Whitley Bay

Hi, why is there no map for NE25 9UY for checking signal strength? My brother lives there and there's virtually no Freeview signal strength. He has installed a high signal strength K band aerial and still gets virtually nothing. His TV aerial has a pre amplifier and then goes into a distribution amplifier which I installed since I'm a electrician and have fitted numerous of these home distribution amplifiers and TV aerials without any problems. He has tried to get a signal with just a small tv (in signal reception, strength and quality mode) placed on the roof with the aerial plugged directly into it, still with no joy. Could you please tell me why the signal is so weak there and what is the solution to the problem?
Kind regards
Glen

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Glen Lucas's 1 post GB flag
Glen's: mapG's Freeview map terrainG's terrain plot wavesG's frequency data G's Freeview Detailed Coverage
S
StevensOnln1
sentiment_very_satisfiedPlatinum

7:07 PM

Glen Lucas: Putting that postcode into the detailed coverage checker on Freeview's corporate website gives a prediction of strong signal from both Pontop Pike (222 degrees compass bearing) and Chatton (336 degrees bearing) transmitters. A weak signal is predicted from the temporary mast at Bilsdale Quarry, so maybe he just needs to turn the aerial around to point at a different transmitter.

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StevensOnln1's 3,604 posts GB flag
Friday, 14 January 2022
E
Edward Slater
12:55 PM
Nottingham

We have been receiving excellent signal on all mpxs from the Nottingham transmitter for a number of years. Since around the end of Oct 2021, we have lost virtually all signal on channel 48 - I have recordings of programmes in October to prove it worked! I have followed all the recommended reset procedures and checked the aerial (loft mounted), amplifiers and cables (I am a qualified electronics engineer) to no avail. Signals on channels 38 and 50 are at strength 10 and there is a 5G filter installed (I have tried without it). Any ideas?

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Edward Slater's 15 posts GB flag
Edward's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:53 PM

Edward Slater:

I assume when you say you've checked the cables that includes continuity of the coax core.
Unfortunately the UHF channel list on the Nottingham transmitter page isn't fully up-to-date. The Local multiplex was moved from C50 to UHF C44 during the 700MHz clearance.
The correct UHF channels for Nottingham In the multiplex order PSBs1-3, COMs4-6, Local are -
C27, C24, C21, C33, C36, C48, C44 . It's vertical polarisation.

There is no transmitter in the country transmitting on any channel above C48 other than the temporary COM7 HD mux on C55, not broadcast from Nottingham.

If you have signal on C50, I don't suppose you have any analogue modulators from older equipemnt running ie old Sky boxes, Games consoles etc. If so shift them right to the top of the band.
If not, you need to find out what this signal is. It could be saturating your front end and desensitising it so C48 signal is weakened.

What does your TV tuning section show for signal strength and quality for all the multiplexes?

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Chris.SE's 4,093 posts GB flag
Wednesday, 19 January 2022
E
Edward Slater
10:19 AM
Nottingham

Thanks Chris

Apologies for any confusion - the incorrect information on Nottingham didn't help but it was my mistake. I don't have access to proper test equipment anymore so the data on strength and quality that follows is taken from the television:

Ch Qual Strength
21 10 10
24 10 9
27 10 10
33 9 9
36 5 8
44 8 6
48 1 5

Just to confirm, there is no signal on any channel above 48, as you point out.

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Edward Slater's 15 posts GB flag
Edward's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
C
Chris.SE
sentiment_very_satisfiedPlatinum

10:44 PM

Edward Slater:

Hi. This is certainly a bit odd. Process of elimination seems the best way to proceed, shouldn't need any specialist equipment (hopefully!). Those Signal and Quality figures from the TV are useful.

In your o/p you mentioned signal strengths 10, leaving aside your error with the channel numbers, I assume that they were those higher channels. Those strength and quality figures now show a definite drop with the increase in channel number.

I should perhaps mention that there has been some temperature inversion/tropospheric ducting around which should have now cleared (although some predictions show it n#might return on Friday). Have those strength and quality figures changed since you took them?
That said, it's unusual for such interference to affect several channels in that way, normally it would be an individual channel (or two).

How have you got your equipment interconnected? You mention recordings, so I assume you've got a PVR of some sort connected to the TV. Have you altered anything around, moved any cables etc.?

Two things to check - make sure you haven't got any HDMI cables close to the aerial cable or flyleads as HDMI has been known to cause interference (especially when the coax isn't high quality double screened eg. CT100 or similar). Carefully check any flyleads, they can go intermittent especially the connection at the back of the plug if they are pre-made moulded types.

You mention a 5G filter and an amplifier. Is the amp a distribution amp/splitter or a "masthead type"? Does it have variable gain?

What could be useful is seeing what the strength and quality figures are for each multiplex with the aerial coupled direct to the coax direct to the TV, bypassing any filter. amp, splitter and PVR etc. Then try the same with the filter in place.

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Chris.SE's 4,093 posts GB flag
Thursday, 20 January 2022
E
Edward Slater
1:09 PM
Nottingham

Chris.SE

Thanks again. i have done much of this previously but frustration means I'm happy to re-think it all!

Cable continuity has been checked throughout the whole system and HDMI leads moved well out of the way (previous experience of this particular problem). Flyleads are high-quality, double screened.

The 10-director wideband aerial feeds via the 5G filter (Televes 403210) to an SLX 8-port distribution amp - fixed 11dB gain - and on to the outlets. The main one, with a Panasonic DMRHWT150 PVR to a Panasonic TX40CX680 tv is where the measurements have been taken. The aerial itself is mounted in the loft of a three story house - estimated elevation 75m.

In truth, we need the gain from the amp, so measurements without it are next to meaningless but follow the general pattern as above, albeit at a lower level.

Your comments on the weather conditions are interesting although it's hard to see that this can have been the problem since October when we were getting acceptable signals on Ch48 - the recordings I have are the evidence! The system has been unable to tune to Ch48 since then although, oddly, it has managed to locate the channel on one occasion since we started this communication.

What are your thoughts on adding extra gain in the system?

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Edward Slater's 15 posts GB flag
Edward's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
Friday, 21 January 2022
C
Chris.SE
sentiment_very_satisfiedPlatinum

1:11 AM

Edward Slater:

Thanks for the detail of the setup.
As I said, it would be unusual for the tropo to affect several channels in this way - ie. I don't think your issue is the tropo. The only reason for mentioning it was in case you saw some variation around the last few days that then recovered.

Quote > What are your thoughts on adding extra gain in the system?

>> Certainly NOT at this point without knowing what is going on.

Quote > we need the gain from the amp, so measurements without it are next to meaningless but follow the general pattern as above, albeit at a lower level.

>> That's precisely what we need to see, I'm afraid it's not meaningless and it's the precise pattern of quality and strength figures that's important, not a general pattern -
without ANY intervening equipment, to eliminate any oddities, faults, spurious signals or even too much signal. All the intervening equipment should ideally be powered off as well to be certain.

Just a thought, I don't suppose their in anything new on the line of sight of the aerial in the near proximity?
Any scaffolding on an adjacent building, any trees grown taller, any metal flues appeared, water tanks - nothing changed in your loft?

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Chris.SE's 4,093 posts GB flag
E
Edward Slater
12:34 PM
Nottingham

Chris.SE

OK - here goes. Measured at the tv with a direct connection to the aerial and all other equipment off. DC loop resistance of the coax run is 12ohms.

Ch qual str
21 8/9 6
24 10 6
27 10 6
33 4/5 5
36 2 3/4
44 1/5 3
48 0 3

(slashes show variation during measurement)

We are 5k from the transmitter with no high land between us. I can see no local changes to buildings or trees etc and no changes within the house/loft. Owing to the age of the property, the aerial is separated from the outside only by a layer of slate roof tiles.

Thanks again

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Edward Slater's 15 posts GB flag
Edward's: mapE's Freeview map terrainE's terrain plot wavesE's frequency data E's Freeview Detailed Coverage
C
Chris.SE
sentiment_very_satisfiedPlatinum

4:06 PM

Edward Slater:

> DC loop resistance of the coax run is 12ohms.

Crikey, something is not right there. That's about the resistance of the end to end of a centre-core on a full 100m drum of cable, the sheath end to end would be about half that, so total loop around 18ohms for 100m!

Apart from checking from the filter location to the aerial and distribution amp to TV outlet, check for corrosion at the wall-plate and the aerial connections itself.

Other than that, does the cable run anywhere not seen but where vermin may have had a go at it and chewed it badly?

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Chris.SE's 4,093 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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