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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 26/09/2022 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
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
Saturday, 28 September 2013
M
Mark
9:49 AM

Patrick Brennan: Good Morning We Also live in Highworth and have spent the last 2 hours trying to sort out what may be the problem. We have had this once before and this tied into the atmospheric conditions and fog and humidity seemed to be the problem last time . I Have just found this article on the freeview pagewhich was put up on the 24th sep high pressure is affecting the signal in some areas. Fingers crossed that this is the problem and not 4G. Tuesday 24 Sept: high pressure weather system may be causing interference | Freeview

link to this comment
Mark's 1 post GB
Q
Quinnicus
11:41 AM
Swindon

Hey all

+1 for Highworth as well !

Just done a full re-scan of channels and all is now working (fingers crossed)

link to this comment
Quinnicus's 5 posts GB
P
Phil Costigan
12:31 PM

Freeview aerial chiseldon. Fringe area but usually good reception. Poor all last week and no signal yesterday. Particularly bad 7.00 am and 6 pm.
Could it be low power or eng works ?

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Phil Costigan's 1 post GB
P
pikpilot
sentiment_satisfiedBronze

1:58 PM
Swindon

Like the people above, I found that channel 44 (5+1) and others disappeared soon after 6pm last night. Further investigation showed that both RF 50 and RF 59 were down to a very low level so eliminating all programmes multiplexed on COM 4 and COM 5. Deeper investigation showed it was not a weather related problem as there was no sign of signal strength reduction on other frequencies. That just leaves the cause as power reduction at the transmitter or someone had realigned the antennae on the mast. Perhaps the authority would like to comment now, and next time put up a post when a problem occurs rather than just leaving up the default "no problems" message.
It was still the same when I went out at 9am but was back to normal when I returned soon after 1pm.

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pikpilot's 23 posts GB
Q
Quinnicus
2:50 PM
Swindon

Me again.
Mux's COM4 and COM5 having big problems from Oxford Transmitter. No signal at all. Other Mux's are fine.

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Quinnicus's 5 posts GB
C
Colin Freemantle
2:50 PM
Swindon

Hello. Like many posts above, many people in Purton are experiencing the same problem of loss of signal often when foggy conditions prevail as mentioned elsewhere. According to the map we are in a fringe area, but when I retune my TV I can receive Camb and Bucks (Look East) and London signal without problem. We have a TV with an aerial pointing at the Mendip (HTV) Transmitter, and never had a problem no matter what the weather. I suggest that those of you having problems turn their aerial around 180 degrees and try the Mendip transmitter.
On my TV I have two indicators, Signal strength, which was at the maximum of 10, and Signal Quality which was less than 2. Does this support the power reduction theory?
Looking at the map of the transmision area, parts of both Highworth and Purton look to be in a 'shadow', the white areas on the map. In Purtons' case this is probably Blunsdon Hill, though why tranmitters much further away still function OK is beyond me.
Like many others I find the silence from the transmitter authorities, frustrating.

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Colin Freemantle's 1 post GB
Q
Quinnicus
4:04 PM
Swindon

Colin Freemantle - Your suggestion of pointing to Mendip is not really the answer, unfortunately. I live in a block of flats, that has a communal dish on the roof. The answer is to get someone to admit a fault and fix it. Oxford Transmitter has always fed into where I live.

link to this comment
Quinnicus's 5 posts GB
N
Neil H
5:09 PM
Frome

Have had interrupted freeview for a couple/three days now. I have followed all the reset procedures etc, showing occasional good signal strength on (frequent) retuning (showing good signal quality on some) - but even those showing good signal strength are dipping in and out.

There is a note on the main (ukfree.tv) Mendip transmitter page saying:

"MENDIP transmitter - Over the next week Mendip main transmitter: TV (digital) Liable to interruption, no analogue radio, Radio (digital) working normally." - but it is undated, and I don't know if it is new or has been there for some time.

Non-technical person here, so any news - particularly from anyone running things at Mendip transmitter - would be welcome.

link to this comment
Neil H's 1 post GB
S
Steve D
8:51 PM

I have been having problems with varying channels over the last week similar to all the posts above, but as others some channels are perfect & not always when we have fog or bad weather & then instantly perfect so it must be the transmitter ! Why does it always state no problems with Oxford transmitter when so many of us are having issues, please own up & sort out the problem.
Stratton, Swindon.

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Steve D's 3 posts GB
Sunday, 29 September 2013
B
Bertie
12:24 PM
Cheltenham

Intermittent signal loss on Oxford at Chedworth GL54 4AB for 4 or 5 days now. All MUX and day and night. Thanks but no thanks for Saturdays night's German stations.

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Bertie's 1 post GB
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