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Full Freeview on the Oxford (Oxfordshire, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.790,-1.179 or 51°47'25"N 1°10'46"Wsa_postcodeOX3 9SS


The symbol shows the location of the Oxford (Oxfordshire, England) transmitter which serves 410,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

This transmitter has no current reported problems

The BBC and Digital UK report there are no faults or engineering work on the Oxford (Oxfordshire, England) transmitter.

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Oxford transmitter broadcast?

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.

 H max
C41+ (634.2MHz)295mDTG-100,000W
Channel icons
1 BBC One (SD) South (Oxford), 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, 250 BBC Red Button, plus 16 others

 H max
C44- (657.8MHz)295mDTG-100,000W
Channel icons
3 ITV 1 (SD) (Meridian/Central (Thames Valley micro region)), 4 Channel 4 (SD) South ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 South ads, 18 More4, 26 ITV4, 30 E4 +1, 35 ITV1 +1 (Central west),

 H max
C47 (682.0MHz)295mDTG-100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 1 HD (ITV Central West), 104 Channel 4 HD South ads, 105 Channel 5 HD, 106 BBC Four HD, 109 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H -3dB
C29 (538.0MHz)295mDTG-850,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 41 Legend, 42 GREAT! movies action, 46 Channel 5 +1, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 CBS Reality, 74 Dave ja vu, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 203 CITV, 208 Pop Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

 H -3dB
C37- (601.8MHz)319mDTG-850,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 E4 Extra, 36 pick, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 57 Smithsonian Channel, 60 Drama +1, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

 H -3dB
C31 (554.0MHz)319mDTG-850,000W
Channel icons
12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 71 Quest Red +1, 73 HobbyMaker, 82 Talking Pictures TV, 84 PBS America, 88 Classic Hits, 235 Al Jazeera Eng, plus 19 others

 H -10dB
C46 (674.0MHz)295mDTG-1210,000W
Channel icons
from 22nd December 2014: 7 Thats Oxford,

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Oxford transmitter?

regional news image
BBC South (Oxford) Today 0.4m homes 1.6%
from Oxford OX2 7DW, 6km west-southwest (258°)
to BBC South (Oxford) region - 6 masts.
BBC South (Oxford) Today shares 50% content with Southampton service
regional news image
ITV Meridian News 0.9m homes 3.4%
from Whiteley PO15 7AD, 102km south (183°)
to ITV Meridian/Central (Thames Valley) region - 15 masts.
Thames Valley opt-out from Meridian (South). All of lunch, weekend and 50% evening news is shared with all of Meridian+Oxford

How will the Oxford (Oxfordshire, England) transmission frequencies change over time?

1950s-80s1984-971997-981998-20112011-132013-182013-1723 May 2018
C50tv_off SDNSDN

tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 14 Sep 11 and 28 Sep 11.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 500kW
BBCA, D3+4, BBCB(-7dB) 100kW
SDN, ARQA, ARQB(-10dB) 50kW
Analogue 5(-11dB) 40kW
com8(-14.7dB) 17.1kW
com7(-14.8dB) 16.4kW
Mux 1*, Mux 2*, LOX(-17dB) 10kW
Mux C*, Mux D*(-18dB) 8kW
Mux A*, Mux B*(-19.2dB) 6kW

Which companies have run the Channel 3 services in the Oxford transmitter area

Feb 1956-Jul 1968Associated TeleVision†
Feb 1956-Jul 1968Associated British Corporation◊
Jul 1968-Dec 1981Associated TeleVision
Jan 1982-Dec 2006Central Independent Television
Dec 2006-Feb 2009ITV Thames Valley
Feb 2009-Dec 2014ITV plc
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Oxford was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Sunday, 26 January 2014

4:37 PM

Rob : If, as was previously mentioned you manage to test the Sony out on your daughters aerial connection and with the result of this action being a reasonably glitch free C60, then interference from a Tetra transmitter cannot be involved as it would affect the TV no matter where it was installed in your property, however it would though be inclined to point to the source of the problem as being most likely connected with the equipment used by your next door neighbour, as the test you previously carried out using a temporary fly lead bypassing the under floor section of your cable still resulted in the problem being seen until you moved the TV away from the wall.

By the way, I feel it unlikely that any other device that you may decide to purchase would be affected in a similar way to that of the Sony.

link to this comment
jb38's 7,179 posts GB

5:01 PM

Hi JB38,
why do you think that another new set would not be effected? I suppose i should stay away from Sony if i do by a new set. The Bravia is 5 to 6 years old, are tv's better shielded these days?


link to this comment
rob's 25 posts GB
Monday, 27 January 2014

6:58 PM

So, I have a tetra filter on the way but really i am not holding out any hope with that one. Going to take all of the gadgets from the tv today, Sony PS3 and hhd player and set top box and put them down the other end of the room to see it any of them are the problem. Then that's the end of me trying to get to the bottom of this, if it is next door there is not much i can do and to be honest i don't think it is, i have a 1930's house with solid walls so i doubt any signal could get through that.
The only other thing it can be is a fault on the Sony tuner around channel 60, The TV is under 5 years old so have contacted Sony as i am sure they used to come with a 5 year warranty.
Don't think the Ariel can be at fault as the picture is perfect on the Alba 300HD i have borrowed also i set the Ariel through my HHD recorder as the TV does not have a Quality meter (why the F not seeing its the most important) and all is looking good at 70 to 80 signal and 100 quality on all channels.

Thanks again all for your help.

Will keep you up to date


link to this comment
Rob's 63 posts GB

8:57 PM

Hi All ,
Another update, unplugged all of the other gadgets and still and glitching. So i have moved the TV to the other end of the room with the fly lead and there we go it has not glitched once and i have been watching it for the last 45 mins. This defiantly means that the interference must be entering the TV from the back of the set from next door.
I have spoken to them and they have turned off there phone for a couple of days and that does not seem to have helped. They have a virgin cable and he has noticed the picture quality is not great on his TV, however it is all installed under there floor so moving it is not an option.
So the question now is what can i do to shield against the signal from entering the back of the TV as i don't think there is an option to change anything next door.

Again thanks for all your help.

Kind Regards

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Rob's 63 posts GB

9:25 PM

Rob : Why should the TV tuner have a fault on that one RF channel? You could try checking it out on another aerial, just to make sure.

Considering how much you've spent on various filters, perhaps its time to call in a professional? The TV sounds fine overall (and although a Sony might have a five year warrenty via redemption, normally you only get a one year warrenty with a TV, unless the store gave you a five year warranty), so I suspect that its the feed from your aerial, with possibly interference from next door. Dont assume that a brick wall will stop intereference (its certainly does not stop noise, as I've found to my cost) - just check out which wifi networks your laptop can pick up, and you'll see what I mean.

link to this comment
MikeB's 2,579 posts GB

9:45 PM

Hi mike B
it must be interference from next door how can i shield the back of my tv?
regards Rob.

link to this comment
rob's 25 posts GB

11:05 PM

Here's a little experiment you could try if you're reasonably handy with tools. Find a piece of plywood or hardboard that is larger than your TV set when stood on the floor behind it. Then lay some aluminium foil on the face of that board. probably best to glue it on with a little contact adhesive so it doesn't fall off. Then stand that against the wall, foil away from the TV, where you suspect the 'interference' is coming through. Then check your TV channels that have been causing annoyance.

Have they improved? If so then you have probably discovered where the problem originates, but more checks would be needed to identify the source.

(There is another check but that requires rather more 'DIY engineering' and connection to an Earth point. You could look up 'Faraday Cage' in a search engine. But if you try anything like that do, do, please be very careful of any electrical connections unless you are proficient with mains voltage electricity!).

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MikeP's 3,056 posts GB

11:05 PM

rob: I really dont know, although the idea of the TV needing shielding is something I've never come across (is the RF input loose?) However, in theory, a bit of foil between the back of the TV and the wall might help, but I'm sure someone has a better idea than I do. At worst, buy a really cheap digibox (like the Alba), since its seems to be less sensitive than the Sony's tuner (which I can well believe).

When you look at it, should you be sorting it out? It seems that its interference from next door, so why shouldn't they be sorting it. As you say 'They have a virgin cable and he has noticed the picture quality is not great on his TV, however it is all installed under there floor so moving it is not an option.' So they are paying good money to Virgin, but some part of their electrical system is degrading their picture - sounds like its in their interest to get it sorted out, and be good neighbours. Tot up how much you've spent on filters of all kinds - its certainly a fair amount (hopefully you can take some of it back), and that really, they should be curing it.

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MikeB's 2,579 posts GB
Tuesday, 28 January 2014
Transmitter engineering

4:23 AM

OXFORD transmitter - Over the next week Oxford main transmitter: TV (digital) Liable to interruption, Radio (analogue) working normally, Radio (digital) working normally. [DUK]

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Transmitter engineering's 141,262 posts xx

11:22 AM

Rob : Having just managed to catch up with all said, it would now appear that you have proven that the C60 problem is indeed associated with the TV's particular location within the room by the fact of it seemingly operating without fault when moved elsewhere, and with this, as was previously mentioned, somewhat excluding Tetra from being involved provided that the TV is still connected into the same aerial system.

However, purely out of curiosity there is a simple little test that I would like you to carry out should you possess a small multiband portable radio of the type capable of operating over (or any) of the LW/MW/SW bands, the test being to place the radio leaning against the adjoining wall with its volume set to about halfway and then scanning each band in turn, the idea being to note if any "loud" purring or any odd noises are heard at any time during the scan, as spurious non specific frequency interference could be emitting from your neighbours equipment and with a harmonic of one of them happening to land up on C60.

The reason for saying this being, that no domestic devices are capable of sending out an actual (not harmonic) C60 signal except RF modulators used to enable Sky or older (SA) Virgin boxes to send programmes to analogue TV's in other rooms, and although modern Virgin boxes do not have this facility "external" scart connected modulators can be used with them in a similar way to the latest SkyHD boxes, albeit in the case of Sky+HD boxes the modulator is coupled via the I.O port.

By the way, an FM radio could also be used for the test, although in this case the result could be different insomuch that the background "hiss" is liable to fade in the presence of a strong signal, but there are no hard and fast rules as to what will be heard as the main object of the exercise is to note for any changes being heard in the background level.

Another little test I would like to know the result of being, whilst you are observing the glitching referred to turn your TV around at 90° to the wall (facing end on) and see if anything changes.

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jb38's 7,179 posts GB
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