Freeview: Terrain between AB238SY and Freeview masts
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Freeview reception at AB23 8SY

Terrain between AB238SY and Freeview masts

For reliable and stable Freeview reception, you need an unobstructed path between the TV aerial on your roof and the digital TV transmitter.

The diagrams below show the transmitters you can get a signal from - in order from best to worst. The blue line tests the line-of-sight between an aerial 10 metres above ground level (the line is red if there is an obstruction in the line-of-sight). You may be able to improve reception by raising the aerial higher - for safety's sake consult a reputable aerial installer if you need rooftop access. See below the diagrams for advanced options including selecting the receiver aerial height.

The terrain information (from Ordnance Survey and GIS) does not include forestation (where leaf cover changes with the seasons) or city buildings. The line-of-sight line can appear curved as this straight line moves over the Earth's surface.

When you click on a diagram, you will see map with the location selected shown with this symbol: .Internet Explorer 9+, Firefox, Opera, Chrome, and Safari required.

What do the map symbols mean?

 location on line-of-sight,  Selected location,  Freeview transmitter,  Freeview light transmitter,  Engineering/fault today....



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Your comments are always welcome. Please use the form below to add your thoughts or questions to this page. We will get back to you as soon as we can.

A
ann gillespie
Thursday 17 April 2014 10:37PM Dungannon

I cant get rte1 on my soarview 2010 H D box I have retuned it .t v ariel is on pole close to house


D
David Moore
Saturday 19 April 2014 10:23AM Cambridge

Hi
For the past week I am getting low/no signal in the early mornings, until 10.30-11.00am, by which time the full signal is restored and the all free view tv's in my house work fine.
Are you running tests or at reduced power overnight ?
I can't see it is my equipment as by late morning everything is fine again each day
Please advise


J
jb38
Saturday 19 April 2014 4:57PM

David Moore: As indications are that no engineering work is / or has been taking place at the Sandy transmitter last week then the problem you are experiencing could possibly be down to the normal seasonal night / daytime fluctuations in levels experienced by many viewers residing in non line-of-sight situations such as shown on the terrain indicator as applying in the case of your location, multiple obstructions to the signal path being seen starting from approximately 3.5miles from same.

The effect of these variations are not really noticed by most except in cases where the signal being received is sitting at a level that is not that terribly far above that necessary to resolve a picture, i.e: the reception threshold, and so its really a case of when you refer to "low" or "full" signal what does this represent in strength / quality indications?

The other point I wondered about being, as more than one Freeview TV is involved are all TV's being used fed from a splitter? powered or otherwise!

The obstructions referred to being seen by opening the undermentioned link.


http://www.megalithia.com/elect/terrain.php?Make=2&Transmitters=TL204494+217&ngr=TL376630&bht=10&ngr1=TL204494&daod=217&dname=Sandy+Heath&dht=0&go=go


G
Grace
Saturday 19 April 2014 5:19PM Exeter

I live in a very rural area on high ground at Telegraph Hill with no neighbours close by on the main A380 between the M5 and South Devon. I have a Panasonic free view HD TV set and get my reception using an outdoor aerial from the Stockland Hill TV mast. It works very well. My partner has been told that if we want to get the additional free view HD channels we will need to change our aerial and have it pointing in a different direction towards a transmitter called Beacon Hill about 15 miles away. I contacted two aerial contractors today. One said that as our bungalow is on the south side of the hill and has a clear line of sight towards the Beacon Hill transmitter we should have no problems at all in getting BBC 4 and BBC News HD when the service begins shortly, but the transmitter we now use is not being upgraded for these new HD services, hence the need to change. The other said he wouldn't recommend it. He said that a different television transmitter not very far away at Budleigh Salterton uses the same frequencies as Beacon Hill and is as strong as Beacon Hill in our elevated region, that he feels could possibly cause problems with interference and in addition as we have a mobile phone mast close by to our home that will soon carry some 4G signals used by mobile phones, we will need to have a special filter fitted along the cable to get the BBC channels. He said he recommends we get Free sat HD that would cost us more money to install and also will require a dish but we then we will get lots of HD channels. A very different set of opinions - what do the people here think here? Thank you, I am a novice. Grace


A
algernonblack
Saturday 19 April 2014 7:46PM

Grace: Hello from Gloucestershire. I had Freeview and I live 800 feet above sea level.
The signal from the Oxford transmitter was appalling. Whenever the sun shines the
pictures disappear so I changed to FREESAT. Yes you need a dish and a freesat box.
The dish will cost about £150 and the box is £50 BUT the reception is brilliant on all channels (including radio). When the new BBC HD channels started they all appeared automatically on FREESAT, no retuning needed either.

I would recommend you seriously consider Freesat.

A.Black.


J
jb38
Saturday 19 April 2014 8:55PM

Grace: Although I fully agree with A.Black that Freesat is really the answer to solving the extra channels problem in your particular situation due to technical snags in trying to use a alternative transmitter or a combination of two of them.

But apart from that I would advise "not" making any changes to your present arrangements until after Beacon Hills new service has started and you are able to conduct a test on your Panasonic to find out if any traces of a signal is being picked up from Beacon Hill's new COM7, as although your aerial is slightly out as far as picking up a signal on its rear is concerned, "if" a signal of any magnitude is being received it should still appear on the signal level bars, possibly giving a yellow indication on both.

The procedure involves pressing "menu" on your Panasonic's remote control then selecting DVB tuning / manual tune and entering C33 (Beacon Hills COM7) into the box but "not" followed by pressing search.

It all hinges on whether or not Beacon Hill is indeed a clear line-of-sight from your location? as the terrain indicator suggests that its not, DUK's reception predictor somewhat backing this up by zero reception being indicated on the two main PSB channels (BBC & ITV1) and with poor reception on the normal HD service plus SDN (ITV3 etc) and ArqA (Pick TV etc) variable being indicated on ArqB (4 Music etc) including COM7.


G
Grace
Saturday 19 April 2014 10:27PM Exeter

Thanks for such a prompt reply. I have managed to locate exactly where our property is by zooming in on the map attached to this website and it looks as if our property and the nearby road junction is right underneath a small strip of green indicating that the Beacon Hill transmitter in Torbay would be available to us, if of course the map is accurate! There are many areas close by where the map suggests there is no signal from this transmitter, but they are largely uninhabited areas of forest. We get excellent reception listening to Torbay's Palm Radio on 105.5fm, but friends who live in the nearby village at Kennford get terrible reception from that community radio station, and are only able to listen to the Exeter ones. So we must be in shouting distance of some broadcasts coming from the Torbay area at least, so fingers crossed for the TV channels too. Grace


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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'

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