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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
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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 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
Wednesday, 19 October 2011
Briantist
sentiment_very_satisfiedOwner

8:36 AM

... in addition C62 is going to be reallocated for use by 4G mobile services.

link to this comment
Briantist's 38,844 posts GB
M
Mike Dimmick
sentiment_very_satisfiedPlatinum

9:01 AM

Briantist: Yes, but that's not yet in the Digital UK postcode checker. If the conclusion is that the interference from those relays doesn't significantly affect that many Oxford viewers, chances are that Oxford and those relays will be moved to the same channels.

Ofcom's latest 'Table of Digital Stations' (version 5) now has High Wycombe and Assendon BBC B, and Chisbury BBC A, using C50 rather than C62 from their DSO dates. So perhaps that isn't the source of interference, or not the whole story.

The next nearest transmitter using the same channels is Midhurst, and of course this is a relatively high-power main transmitter using horizontal polarization. The variable reception prediction may just reflect lift conditions. At present C55 is an analogue channel at Midhurst, C59 and C62 are low-power digital multiplexes.

link to this comment
Mike Dimmick's 2,486 posts GB
Briantist
sentiment_very_satisfiedOwner

11:02 AM

Mike Dimmick: I can't help noticing that funding for "Digital UK" will dry up once the last switchover event has taken place, so I can't help wondering if "Digital UK" will have anything to do with post-2012 changes to the broadcasting arrangements, beyond what is arranged for pre-DSO stations.

I will have to go though http://licensing.ofcom.or….pdf and look for all the relevant changes.

I suppose there is a possibility that the post-2012 changes shown here are caused by changes from international stations, as they are for the Brighton area.


link to this comment
Briantist's 38,844 posts GB
Thursday, 20 October 2011
A
Algernon Black
sentiment_satisfiedBronze

5:54 PM

Thanks for the reply on "variable reception" from Oxford next year. I live near Northleach in Gloucestershire at 752 feet above sea level.

All along their "post code checker" has been somewhat dodgy and taking into account your comments I suspect my reception will not change much, if at all.

I note that the digital change over in the USA took place on one night, that is, all stations coast to coast in one night, pity our lot couldn't manage that!

Keep up the good work.

Algy.

link to this comment
Algernon Black's 23 posts GB
Friday, 21 October 2011
Briantist
sentiment_very_satisfiedOwner

7:24 AM

Algernon Black: In the US there were sufficient frequencies for the full power replacement digital services to be in operation for many years.

This is because the US terrestrial system is city based and does not cover what we would term "rural areas".

So, the US was a "switch off analogue" event, not a "switchover event" as here, where the low power digital and high power analogue services are replaced with high power digital.

With almost 100% coverage in the UK, this means a rolling switchOVER plan.

It is highly unfair to compare different implementations.

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Briantist's 38,844 posts GB
Saturday, 22 October 2011
A
andrew
9:13 PM

Why are some of the multiplexes transmitting on low power?is it to save electricity?

link to this comment
andrew's 16 posts GB
Sunday, 23 October 2011
M
Mark Fletcher
sentiment_satisfiedGold

12:07 AM

Andrew.The SDN,ArqA & ArqB mux's from the main Oxford transmitter are transmitting on lower power not to save electricity,it is more a case of avoiding clashes with nearby regional transmitters/relays that are either now all digital,or still broadcasting analogue and low powered pre-digital switched signals using the same frequencies as that of the Oxford mast,more so the current understrength SDN ch62,ArqA ch59 & ArqB ch 55 mux's which had they're been on full power by now will affect nearby transmitters/relays broadcasting on ch 55,ch59,ch62 whether already digitally switched or still broadcasting analogue/lower powered pre-digital switched signals.Im sure the true pros on here,Briantist,Mike Dimmick,JB 38,etc,will give more professional assistance as such.

link to this comment
Mark Fletcher's 673 posts GB
Monday, 24 October 2011
Tuesday, 25 October 2011
C
Christine
9:39 AM
Cirencester

Can anyone help, please? We have a Goodmans Freeview box and also an old Wharfedale Freeview box. Everything was working fine before the Digital Switchover, but now our pictures (on most channels) frequently freeze and then jump. Also, we often get a brief, strange sound (a bit like a switch), followed by a brief reduction in volume before it gradually improves. Confusingly, it doesn't seem to happen much when the telly is first switched on, but gets worse.

Better on the Goodmans box, but it still happens.

Any advice gratefully received - thank you!

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Christine's 2 posts GB
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