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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.

Are there any planned engineering works or unexpected transmitter faults on the Oxford (Oxfordshire, England) mast?

Oxford transmitter - Oxford transmitter: Possible effect on TV reception week commencing 19/09/2022 Pixelation or flickering on some or all channels Digital tick


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

MuxH/VFrequencyHeightModeWatts
PSB1
BBCA
 H max
C41+ (634.2MHz)295mDTG-3100,000W
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

PSB2
D3+4
 H max
C44- (657.8MHz)295mDTG-3100,000W
Channel icons
3 ITV (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 ITV +1 (Central west),

PSB3
BBCB
 H max
C47 (682.0MHz)295mDTG-6100,000W
Channel icons
56 5SELECT, 101 BBC One HD (England no regional news), 102 BBC Two HD (England), 103 ITV 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

COM4
SDN
 H -3dB
C29 (538.0MHz)295mDTG-850,000W
Channel icons
12 Quest, 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 MAX, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others

COM5
ArqA
 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 8 others

COM6
ArqB
 H -3dB
C31 (554.0MHz)319mDTG-850,000W
Channel icons
 FreeSports, 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 Aljazeera English, plus 19 others

LOX
 H -10dB
C51 (714.0MHz)295mDTG-1210,000W
Channel icons
from 22nd December 2014: 7 Thats Oxford,

com7
 H -7.9dB
C55 (746.0MHz)295mDTG-616,400W
Channel icons


DTG-3 64QAM 8K 2/3 24.1Mb/s DVB-T MPEG2
DTG-6 256QAM 32KE 2/3 40.2Mb/s DVB-T2 MPEG4
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
VHFC/D EC/D EC/D EC/D EC/D E TW TW T
C2BBCtvwaves
C29SDN
C31com7com7
C37com8com8
C41BBCA
C44D3+4
C46_local
C47BBCB
C49tv_offC5wavesC5waves
C50tv_off SDNSDN
C51tv_offLOXLOX
C53tv_offC4wavesC4wavesC4waves+BBCA+BBCA+BBCA
C55tv_offArqBArqBArqBcom7tv_off
C56tv_offCOM8tv_off
C57tv_offBBC1wavesBBC1wavesBBC1wavesBBCBBBCBBBCB
C59tv_off-ArqA-ArqA-ArqA
C60tv_offITVwavesITVwavesITVwaves-D3+4-D3+4-D3+4
C62SDN
C63BBC2wavesBBC2wavesBBC2waves

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.

Comments
Sunday, 20 May 2012
M
Matt Crowther
9:06 PM
Aylesbury

Only problem, Stephen, I might have channel wise is that all my Channel 4 lot are missing from my EPG for a week from now -C4, +1, More4, E4 etc.

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Matt Crowther's 11 posts GB
Friday, 25 May 2012
C
Chris James
12:41 PM

The reception on BCA/PSB1(Ch1,2,7,9,70,71,80,81 etc)has deteriorated significantly over the past three or four weeks with frame freezing and sometimes disappearing completely yet had been working very well before that.All other stations come through perfectly.I have tried a different set-top box and the problem persists.
I know that the aerial position is not ideal (too low) but, as I said earlier, everything has been working perfectly until recently. Any suggestions?

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Chris James's 3 posts GB
M
Mark Fletcher
sentiment_satisfiedGold

5:45 PM
Halifax

Chris James.As you did not leave a full postcode or nearby location as such,my only suggestion is to look up Single Frequency Interference,that is one possible cause.

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Mark Fletcher's 673 posts GB
Sunday, 27 May 2012
M
mst
11:36 AM
St. Albans

@Chris James

BBCA is by far the strongest signal from Oxford, so you are either picking up the mux from somewhere else or getting signal overload

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mst's 7 posts GB
Wednesday, 6 June 2012
Ryan D
5:17 PM
Swindon

My freeview plays through my PS3, but the channels were freezing and jittery, so I put the aerial connection in to my TV and all was fine, then after 2 days, I have the same problem, virtually no picture on all channels. This has been like it for about 2 weeks now and I have no idea how to fix this, it would appear the signal in the spare room is fine, yet both TV's have run from the same connection for years.

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Ryan D's 1 post GB
Monday, 11 June 2012
M
Martyn
7:50 PM
Buckingham

I've had Freeview for several years with no trouble, using a Humax PVR9150. I've now lost all the BBC channels and have tried resets and rescans etc with manual tuning on Ch53 but no channels are found. I also have a Freeview HD tuner in my TV and when I connect the aerial directly to this, I still don't get the BBC channels but I get perfect BBC and ITV HD reception. So the conclusion is that it's not the aerial or the PVR that's at fault. Can anyone enlighten me please? I'm on the Oxford transmitter at MK18 2QP.

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Martyn's 6 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

9:11 PM

Martyn: Go into your TV or boxes tuning menu / manual tune and enter Oxfords BBC on Ch53, you do not really require to scan it because on most equipment as soon as the channel number is entered the signal strength / quality that its being received at will immediately be indicated, although if the indications are about 50% or so then try a scan, the main point about this test being that it will give you an idea if the signal is there but is just sitting just under the reception threshold of your TV.

If though still nothing is shown, and although this might not work as the rear of your aerial is approximately 40 degrees off track, but just for a test try a manual tune on Sandy's BBC on Ch27, giving an update on both tests.

And by the way if you could also give the model number of your TV.

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jb38's 7,179 posts GB
M
Martyn
11:42 PM
Buckingham

The TV is an LG 37" with Freeview HD, its about 18 months old. On Ch53 I get a signal strength in the 30% ish region with 0% quality and the manual scan gives "no channels found". It can drop to a signal strength of around 18% too. On Ch 27 I get a signal strength of 16% and again, a manual scan finds no channels. On the other hand, ITV on Oxon & Bucks transmitter (Ch60)gives a signal strength of around 60% and quality of 100%. I would be very grateful for any suggestions you might have, thanks
Martyn

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Martyn's 6 posts GB
Tuesday, 12 June 2012
J
jb38
sentiment_very_satisfiedPlatinum

8:22 AM

Martyn: Yes, 30% isn't really high enough to resolve a picture although zero quality guarantees that you wont, but as a second test I would like you to try that same manual signal check but this time on Oxfords Ch55 as that transmits on half the power of the BBC, and should it indicate around 50% or so strength with a reasonably high quality, should you by any chance be using any form of booster in-line with the aerial lead try by passing it then try BBC1 again.

If though you are not using any form of booster, then unfortunately that strongly suggests a problem out with your control, and about the only thing you can then do is to confirm this one way or another by making an enquiry with a not too far away neighbour.

By the way, your test on Sandy's Ch27 was about what was expected, as although signals can be picked up on the rear of most aerials at sometimes far higher levels than would be expected, your aerial would be receiving Sandy at not that far off half way towards the aerials (any horizontal aerial) dead spot of 90 degrees from the signal.

Give an update on the Ch55 test though.

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jb38's 7,179 posts GB
M
Martyn
9:26 AM

Thanks JB, I'll give that a try tonight. I don't use a booster. I have the aerial in from the roof going into the Humax and then another lead going to the TV. There is also a scart connection from box to TV. On separate inputs I have a DVD player connected via HDMI as well as a Humax HD Freesat box (non PVR) connected to another HDMI. Finally, there is a Wii which is connected via a 5 way lead to the component plugs. I'll report back tonight.
Thanks
Martyn

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Martyn's 6 posts EU
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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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