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Freeview reception at CF83 3AQ


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 5 mobile phone masts within 1.5km of CF833AQ (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)Mynydd Machen WalesPSB1
2BBC TwoMynydd Machen WalesPSB1
5Channel 5Mynydd Machen WalesPSB2
6ITV 2Mynydd Machen WalesPSB2
9BBC FourMynydd Machen WalesPSB1
 
10ITV3Mynydd Machen WalesPSB2
14Film4Mynydd Machen WalesPSB2
15Channel 4 +1Mynydd Machen WalesPSB2
18More4Mynydd Machen WalesPSB2
23BBC ThreeMynydd Machen WalesPSB1
 
26ITV4Mynydd Machen WalesPSB2
30E4 +1Mynydd Machen WalesPSB2
35ITV1 +1Mynydd Machen WalesPSB2
565SELECTMynydd Machen PSB3
101BBC One HDMynydd Machen PSB3
 
102BBC Two HDMynydd Machen PSB3
103STV HDMynydd Machen PSB3
103UTV HDMynydd Machen PSB3
103ITV 1 HDMynydd Machen PSB3
104Channel 4 HDMynydd Machen PSB3
 
105Channel 5 HDMynydd Machen PSB3
106BBC Four HDMynydd Machen PSB3
108BBC Scotland HDMynydd Machen PSB3
109BBC Three HDMynydd Machen PSB3
110Channel 4 HD (Wales)Mynydd Machen PSB3
 
201CBBCMynydd Machen WalesPSB1
202CBeebiesMynydd Machen WalesPSB1
204CBBC HDMynydd Machen PSB3
205CBeebies HDMynydd Machen PSB3
231BBC NewsMynydd Machen WalesPSB1
 
232BBC ParliamentMynydd Machen WalesPSB1
250BBC Red ButtonMynydd Machen WalesPSB1

 

Advanced options

Show good and blocked paths from CF83 3AQ 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
Wednesday, 6 July 2016
M
martin
8:30 PM

Hi. Im in liverpool L8 ad every few weeks i lose 90% of my channels (all the main ones) for several hours before they magically come back.

Any idea why this would be?

link to this comment
martin's 1 post GB
martin's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data wifiM's R&TI Service businessM's digitaluk trade radioM's DAB coverage
J
jb38
sentiment_very_satisfiedPlatinum

9:11 PM

martin: The problem referred to is most likely related to the engineering work being carried out at Winter Hill, *Possible weak signal* having been listed on the engineering board for some time now.

link to this comment
jb38's 7,179 posts GB
Saturday, 9 July 2016
R
Richard Cooper
sentiment_satisfiedGold

9:00 AM
Norwich

FAO: Briantist: Re: 'My Radio Reception'. Whilst I realise you state, " the DAB/FM/AM radio page is under development", I need to draw your attention to the fact that you've forgotten to include Stoke Holy Cross FM for my postcode NR2 2EF .SHC FM carries BBC Radio Norfolk 95,1, Radio Norwich 99.9 on 99.9, Heart East Anglia on 102.4 and Kiss 105-108 on 106.1 (Norwich relay of Mendlesham, 106.4). Whilst your devoted Stoke Holy Cross FM page includes these, it would also be nice to have them on the 'My Radio Reception' page! Thanks Brian, Richard, Norwich, 9th July.

link to this comment
Richard Cooper's 462 posts GB
Sunday, 10 July 2016
A
Andy
5:55 PM
Chester

Masthead Amp powered by distribution amp?

Good Afternoon all

I have a question and would be grateful of any advice anyone may have on the subject.

I have a Vision masthead amp that is powered by a 4 way SLX Distribution Amp, the Masthead Amp states a maximum of 65mA. The SLX Distribution Amp that is powering the Masthead Amp states its line power is only 25mA.

Is the Masthead Amp ok only having a 25mA supply? will it be working normally only having a 25mA supply?
Is the Masthead Amp likely to be over working the SLX Distribution Amp?

Any advice much appreciated

link to this comment
Andy's 12 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

7:17 PM

Andy: The vision mast head amp would be a continual overload on the SLX's output, which on this older model you are using likely result in failure of same, as nothing is mentioned on the spec sheet about it having overload protection.

My advice would be to purchase the Vision power supply as seen on the link, feeding its output into the SLX's UHF input socket.

Vision Masthead Power Supply (V23-2102G) > AerialSat.com


link to this comment
jb38's 7,179 posts GB
Monday, 11 July 2016
R
Richard Cooper
sentiment_satisfiedGold

9:29 AM
Norwich

Ron: Hi, Ron. I have a number of different DAB radios, some of which are made by Roberts Radios Ltd. In order for you to get help from this website, we need you to provide the postcode of a building on your street or road, such as a shop or a post Office or a Garage. Alternatively, you can give us the name of your district or village. This is so we can look up which transmitters cover your locality, and then we can suggest things that you can do to get and/or improve DAB reception on your Roberts Sports DAB radio. Hope to hear from you soon, Richard, Norwich.

link to this comment
Richard Cooper's 462 posts GB
MikeP
sentiment_very_satisfiedPlatinum

1:49 PM

Andy:

I suspect you have an incorrect understanding of how electricity works. At a given working voltage, the design of the electronics will determine how much current is required to be consumed.

The masthead amplifier requires a certain voltage and will consume up to 65 mA current. From your figures, the SLX distribution amplifier will provide the correct voltage but can only deliver up to 25 mA current - which is well below that demanded by the masthead amplifier. That means the SLX is *not* suitable as it cannot deliver sufficient current. As jb38 says, it is likely to mean the SLX fails. The only solution is as jb38 suggests.

Hint: remember Ohm's law and the formula for DC power P (power) = I (current) x V (voltage).



link to this comment
MikeP's 3,056 posts GB
A
Andy
4:50 PM
Chester

MikeP: jb38 thank you both for your replies, much appreciated.

Mike you are correct I could do with learning more about electricity, I am somewhat lacking in this area!

When I took a look at both the SLX and the Masthead amp It did get me thinking that things didn't seem to match up.
like I say I am no electrician but I did think that the numbers didn't seem to add up and it was my concern that if the amp is overworking the SLX that it may fail, I was even more concerned that its up in the loft that does get very hot in summer and the thought of it being over worked and in heat leaves me feeling a little uncomfortable! hence me asking you guys that know considerable more about this subject than me!!

Not sure what you guys think about my plan, please feel free to correct me if incorrect on anything, my main aim is making sure the setup is safe and will deliver years trouble free service.

The SLX has been in the loft for a long time buy the looks of it so I was thinking of replacing it with a newer updated possibly safer distribution amp, obviously I need to make sure a new distribution amp has line powering and is capable of supplying the Masthead amp with the correct current, keeping in mind that I have a Vision Masthead Amp (that's is new! and very low noise) and I am really pleased with its performance I was thinking about replacing the SLX with one of these -

V65-204LTE 4 Way 4G-800 IR Return Amplifier

link to this comment
Andy's 12 posts GB
M
Mazbar
sentiment_satisfiedGold

7:30 PM

Andy: after reading all your posts, you said you had 90 dbuv at the aerial head, you don't need a masthead amp or a distribution amplifier, at those readings I could put it into a 12 way splitter and expect perfect reception on all TVs. If you have perfect line of sight to winter hill all you need to run 4 TVs would be a basic 12 elements aerial and a 4 way splitter. Sorry but you have been ripped off.

link to this comment
Mazbar's 384 posts GB
A
Andy
7:49 PM
Chester

Mazbar:

Mazbar sorry I should have said take no notice of earlier posts! they were from my old address, I moved home end of March :-)




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Andy's 12 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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