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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 (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
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, 28 September 2011
S
Steve Hopkins
10:18 PM
Buckingham

Sony Bravia from Buckingham with High Gain Class 1 Wideband aerial pointing at Oxford & no other analogue kit attached but still can't pick up Mux Channel 60 everything else Ok. So what next?

link to this comment
Steve Hopkins's 4 posts GB
Briantist
sentiment_very_satisfiedOwner

10:30 PM

tom: No, there is nothing wrong with the Oxford transmitter, quite the reverse. Have you looked at Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice ?

link to this comment
Briantist's 38,844 posts GB
M
Mike Oxlade
10:52 PM

OX33 can see Beckley from our garden and loving the new service. Full strength on all channels and can't stop watching HD - brilliant. This is the first time we have had anything that was on CH68 - ie most of the ITV channels - for nearly 2 years!!!

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Mike Oxlade's 2 posts GB
Thursday, 29 September 2011
M
mst
12:01 AM
Oxford

Just noticed on a Technika HD box that ArqA and ArqB on C55 and C59 are using 3/4 FEC compared to all others using 2/3 FEC. This is correct according to digitalUK until COM power up when ArqB comes in line with the others. My understanding is that FEC 3/4 has less error correction than 2/3 (25% vs 33%) to squeeze more data out of the link.

Technika signal strength Nos on same aerial connection quite different than Toppy look more like dB than percent, but trend the same BBC on C53 significant stronger than others C60 same as C55 (should be x8 or 9dB stronger) C59 weakest, but everything reported as 95% quality - which I suspect is the maximum (perfect picture).

C53 now so strong single can receive good quality signal on internal loop antenna on ground floor opposite side of house to transmitter!

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mst's 19 posts GB
R
Rick Mock
8:26 AM

I have BT Vision and Phillips set top boxes.I live in Didcot and I now find since the switch over yesterday I have very low signal quality 25% on CH59 Dave and Dave Ja View etc.
All others seem to be at 100%
I have a set top aerial with a booster and the signal strength is around 62% on all channels except CH59.Can't remember what the signal strength is thoughbut it is a lot lower than 62%.
In fact the guy from BT who came to replace our set top box said we get better signal strength on our indoor aerial than his roof top aerial.

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Rick Mock's 3 posts EU
Briantist
sentiment_very_satisfiedOwner

8:46 AM

Nick Wilcock: If you look at the Oxford frequency allocation table (above), if you were using any of the current six digital frequencies for your RF connection from a Sky box, then it would have been rendered useless by the presence of a high power analogue channels on it or the neighbouring frequency as they analogue four used C53, C57, C60, and C63.

link to this comment
Briantist's 38,844 posts GB
Briantist
sentiment_very_satisfiedOwner

8:47 AM

Rick Mock: I would get rid of the booster to start with. Indoor aerials perform badly for Freeview reception, and as you have not provided a full postcode it is impossible to say more.

link to this comment
Briantist's 38,844 posts GB
Briantist
sentiment_very_satisfiedOwner

8:48 AM

Mike Oxlade: I am pleased to hear that you now have all the TV services. Freeview HD is rather good, isn't it?

link to this comment
Briantist's 38,844 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

8:54 AM

Jonathan: Fully appreciating that you do not have a direct line of sight to the transmitter, however I still feel that at only five miles away from a 100Kw (main Muxes) transmitter there is a possibility of you receiving a signal that's slightly too strong for your boxes tuner, especially with the aerial system you are using.

The other point being, that signal strength indications can be totally incorrect in these type of situations because of the measuring system used being upset, so purely for a test I would try reducing the input to your box by the inclusion of an attenuator in line with the aerial socket, then try a manual scan on the ITV Mux Ch60 to see what comes up.

Needless to say, and although not mentioned, but if you have any form of booster it must be removed.

It could well be that the obstruction you mention is causing a severe reduction in signal strength, but frequently they don't to the extent that some may imagine that they would do.


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jb38's 7,179 posts GB
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