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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.

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 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),

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 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

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

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
Monday, 17 October 2011
N
Nicholas
10:23 AM
Luton

Mike,

Thanks for your help. It was mux B from Crystal Palace on ch 28 that was causing all the problems with the Oxford EPG. Did a retune pulling out the aerial after ch 27, and putting it back in again very quickly at ch 29! All the Oxford channels are also now back in their proper place, with Crystal Palace in the 800s and Sandy Heath in the 900s.

link to this comment
Nicholas's 15 posts GB
S
Spartan
4:43 PM

HD channels. I suspect that my freeview receiver (Philips DTR 220/05) isn't technically capable of resolving the BBCB HD mux. I have tried a manual tune for Ch.57 but it found nothing. All other mux's are showing 100% now.

Can someone kindly confirm my findings...

link to this comment
Spartan's 12 posts GB
A
Adam B
sentiment_satisfiedBronze

5:29 PM
Dunstable

Spartan:

Your suspicions are correct, the box cannot see HD transmissions.

Hope this helps,
Adam.

link to this comment
Adam B's 91 posts GB
J
jb38
5:33 PM

Spartan: Yes, you are quite correct, as that box is not fitted with a DVB-T2 tuner which is necessary for HD reception, the DVB-T tuner as is fitted in your box just ignoring HD signals.

link to this comment
jb38's 13 posts GB
J
jb38
5:36 PM

Adam B: Duplicate posting not intentional Adam, didnt notice you had replied!

link to this comment
jb38's 13 posts GB
S
Spartan
5:58 PM

Many thanks guys...

link to this comment
Spartan's 12 posts GB
S
Susan
8:02 PM

For several days the reception in our part of Headington for ITV3 has been lost- I retuned a digital tv today and am down to 80 channels from over 100 after the switchover in September. Is there anything else I should be considering ?( I have my Father on at me from time to time).

link to this comment
Susan's 1 post GB
Tuesday, 18 October 2011
A
Algernon Black
8:32 PM

I note from the web page of Digital UK (www.digitaluk.co.uk) that from 2012 the transmissions from Oxford will deteriorate.

I have taken up this matter with Digital UK and they replied:-

""Our postcode checker does suggest that you may receive a good overall reception on around 18 channels and a variable reception on around 48 channels in 2012.""

Surely this is totally unacceptable.

Algy

link to this comment
Algernon Black's 1 post GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

11:13 PM

Algernon Black: Because the switchover programme is still in progress, a later change at another transmitter can affect some viewers. If they'd switched everything over in one go, this wouldn't have happened - and you'd never have noticed.

Most likely you're in the south or south-east of the coverage area, near High Wycombe, Assendon or Chisbury. Those three transmitters' PSB multiplexes will clash with Oxford's COM multiplexes. The commercial multiplexes are not required to meet any specific level of coverage and certainly not to match the PSB multiplexes, which are required to substantially match analogue coverage.

'Variable' reception in Digital UK's postcode checker does not necessarily mean variable results. It means that using their aerial model, the percentage of locations that should, on average, have reliable performance 99% of the time, is below 70%. It means siting an aerial to get reliable results will be more difficult than if the 'good' standard was met. The aerial model is quite pessimistic, compared to real aerials, regarding rejection of signals from other directions and from the other polarization (those relays will transmit vertically-polarized signals and Oxford uses horizontal polarization).

High Wycombe and Chisbury already use C55/C59/C62 for their analogue transmissions, but a digital service does do more damage to another digital service than an analogue one does. Assendon uses C55 now and will start using C59 and C62 at switchover.

If you do find you are affected, you may be able to fix the problem by rotating the aerial slightly towards or away from the interfering transmitter - real aerials have peaks and troughs in their 'polar response' - how much signal is picked up from different directions - and you may be able to drop the interfering signals into a trough in the response.

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Mike Dimmick's 2,486 posts GB
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