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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 06/12/2021 Possible 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
_______

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 Player, 211 Ketchup TV, 212 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 9 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, 91 Classic Hits, 235 Aljazeera English, plus 18 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-80s1984-971997-981998-20112011-1329 May 132013-1723 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
Friday, 28 January 2022
R
Roger Turner
2:59 PM
Bampton

We've had breaks in all channels just recently, checking the signal strength on two separate aerials and we are down to 50%, this used to be 95%+.
OX18 1BL using the Oxford Transmitter.
Both aerials are in the loft and this is affecting all TV's with the cables inside, so no weather or water ingress issues. All connections checked and are fine.

link to this comment
Roger Turner's 1 post GB
Saturday, 29 January 2022
C
Chris.SE
sentiment_very_satisfiedPlatinum

7:36 AM

Roger Turner:

This is most likely to be due to current weather conditions. The current high pressure weather system has been accompanied by some "Temperature Inversion/Tropospheric Ducting" where signals from distant transmitters are carried further than normal, due to the particular layers of the atmosphere. It causes interference to your wanted signals. This can result in changes to received signal strength and quality.
The problems can last for seconds, minutes ,hours, sometimes even longer. Do NOT retune, you are likely to just lose your correct tuning.
There are currently no reported transmitter faults or listed Planned Engineering for Oxford.
As the conditions vary you should see changes in those figures and current predicted suggest that it all may clear over the next couple of days.
If you continue to see problems, post back with some more specific figures for each multiplex.

link to this comment
Chris.SE's 3,042 posts GB
Wednesday, 27 April 2022
M
Mal McGar
3:50 PM

Hi I am in Milton Keynes but due to terrain I have to receive your service via the Oxford Transmitter. However since the last update I am no longer able to watch all the channels I did previously. Before I proceed, please can you tell me which channels I should be able to see.

The list provided here is far from user friendly, therefore can you either send me a channel list or a suitable link.

Thank you in anticipation

link to this comment
Mal McGar's 1 post GB
S
StevensOnln1
sentiment_very_satisfiedPlatinum

4:24 PM

Mal McGar: This website has nothing to do with operating any channel or transmitter, this is an independent technical help website. If you provide a full postcode we can check what you are predicted to receive. There is a full list of channels including which multiplex carries each channel on the Freeview corporate website (see link below). If you can tell us which channels you are no longer able to receive that may help identify the cause.

Channel listings for Industry Professionals | Freeview

link to this comment
StevensOnln1's 3,358 posts GB
Monday, 18 July 2022
C
Chris.SE
sentiment_very_satisfiedPlatinum

4:41 PM

All:

As the listings at the top of this page aren't fully updated, for the sake of clarity, here is the current data -
In the multiplex order BBCA/PSB1, D3&4/PSB2, BBCB HD/PSB3, SDN/COM4, ArqA/COM5, ArqB/COM6
Oxford UHF channels are -
The main multiplexes are C41, C44, C47, C29, C37, C31
The Local mux L-OFD is on C22.

Note - COM7 has now closed.

link to this comment
Chris.SE's 3,042 posts GB
Tuesday, 19 July 2022
A
Aerialman
sentiment_satisfiedSilver

3:33 PM

Local mux L-OFD is also on channel 40 as well with directional petal.
Absolutely,agree! if you are going to have a site that gives information of TV Transmitters,channel numbers,frequencies Kw powers it's most important that they are accurate and kept up to date with.
If not then this site is not useful to anyone!and can be misleading.
The owner of this site in passed years has decided not to keep up with transmitter technical changes
and that is not a responsible position!

link to this comment
Aerialman's 139 posts GB
C
Chris.SE
sentiment_very_satisfiedPlatinum

10:47 PM

Aerialman:

Thanks for pointing out the extra petal for the Oxford Local mux. I recall seeing it mentioned in an OFCOM document I read some 18months+ ago but had forgotten since.
According to OFCOM and Freeview/DUK documents it is actually on UHF C46 (not 40) and beams due E.
The petal on C22 beams both NW and a little less to the SW.
Both petals use 10kW each.

I'm not sure that "decided" is the right word for the lack of some site updates by the owner, I think it's more a case of not having had sufficient time, as you probably know there are over 1100 transmitters in the UK many of which had changes with the 700MHz clearance. I know that updating is a tedious job because the updates from OFCOM documents have to be entered into the database manually as the source documents are all .pdf so not a task I would relish!
Nevertheless it is rather a shame that there hasn't been some progress on updating at least the 80+ main transmitters where needed. I know the site owner has been in hospital recently with pneumonia which obviously isn't helpful to the cause.

link to this comment
Chris.SE's 3,042 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.

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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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