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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, 201 CBBC SD, 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 (SD), 6 ITV 2, 10 ITV3, 13 Channel 4 +1 South ads, 14 More4, 15 Film4, 24 ITV4, 28 E4, 33 ITV +1 (Central west), 45 Film4 +1,

PSB3
BBCB
 H max
C47 (682.0MHz)295mDTG-6100,000W
Channel icons
86 More4 +1, 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, 204 CBBC HD,

COM4
SDN
 H -3dB
C29 (538.0MHz)295mDTG-850,000W
Channel icons
20 Drama, 21 5USA, 27 ITV2 +1, 30 5STAR, 34 ITV3 +1, 37 Quest, 44 Channel 5 +1, 54 Paramount Network, 55 5SELECT, 58 ITVBe +1, 59 ITV4 +1, 63 Blaze, 66 CBS Reality, 70 Horror Channel, 76 Quest +1, 77 TCC, 80 Blaze +1, 87 Keep It Country, 203 CITV, 211 Ketchup TV, plus 21 others

COM5
ArqA
 H -3dB
C37- (601.8MHz)319mDTG-850,000W
Channel icons
11 pick, 12 Dave, 17 Really, 29 E4 +1, 32 Sony Movie Channel, 38 Quest Red, 41 Food Network, 46 Challenge, 48 Movies4Men, 61 True Entertainment, 72 YourTV, 233 Sky News, plus 9 others

COM6
ArqB
 H -3dB
C31 (554.0MHz)319mDTG-850,000W
Channel icons
18 4Music, 19 Yesterday, 25 Home, 31 5Spike, 39 CBS Justice, 42 DMAX, 47 4seven, 62 True Movies, 71 CBS Drama, 73 Sewing Quarter, 79 Dave ja vu, 81 Talking Pictures TV, plus 16 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
 Vintage TV, 57 5USA +1, 67 CBS Reality +1, 92 Pick +1, 99 Smithsonian Channel HD, 107 BBC News HD, 108 Aljazeera English HD, 109 Channel 4+1 HD, 110 4seven HD, 113 RT HD, plus 2 others

com8
 H -7.7dB
C56 (754.0MHz)295mDTG-617,100W
Channel icons
 CBS Action +1, 56 5STAR +1, 64 Freesports, 83 NOW 80s, 84 Now 90s, 89 Together, 91 PBS America, 96 Forces TV, 106 BBC Four HD, 114 Quest HD, 205 CBeebies HD, plus 2 others

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 EWC/D EC/D E TW TW T
C2BBCtvwaves
C29DSDN
C31com7com7
C341
C37com8com8
C41BBCA
C44D3+4
C46_local
C47BBCB
C48C
C49tv_offC5wavesC5waves
C50tv_off SDNSDN
C51tv_off-ALOXLOX
C52tv_off-B
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
C682

tv_off Being removed from Freeview (for 5G use) by 30 June 2020 - 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, 17 March 2018
S
Simon George
10:46 AM

Thank you Mike for the response. I must admit my outside aerial was fitted about 10 years ago but installed by a professional installer. I have had no problems whatsoever with reception since then until the past two weeks. COM 7 & COM 8 show 0% signal strength, where it was 85%-100% always before. All other multiplexs seem fine.

The TV is no more than 1 metre from the aerial wall socket in the lounge. I tried putting a signal booster between the TV and the wall socket and valour I am back to full strength on both COM 7 and COM 8. I don't think we have had any strong winds and the outside aerial seems very secure and not have moved. So i can only conclude that transmitted signal strength has been reduced? Is that a fair conclusion.

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Simon George's 3 posts GB
Simon's: mapS's Freeview map terrainS's terrain plot wavesS's frequency data wifiS's R&TI Service businessS's digitaluk trade radioS's DAB coverage
S
StevensOnln1
sentiment_very_satisfiedPlatinum

11:07 AM

Simon George: COM8 hasn't changed frequency at Oxford yet (it moves on 23rd May). Digital UK are reporting the same power levels for COM7&8 so they don't appear to have been reduced. Giving that they are the lowest powered muxes broadcast from Oxford (excluding the local mux) it would suggest that you are starting to see signs of a problem with your aerial system which may require attention at some point.

link to this comment
StevensOnln1's 2,310 posts GB
R
RDP
9:39 PM

For the last few days COM6 ARQ-B (Ch.55) from Beckley Oxford has presented no signals. Other viewers locally also have similar problems. A reset and rescan found all other mux's but nothing under COM6 ARQ-B. All other mux's present 99% solid signals. Is this a transmitter fault?

link to this comment
RDP's 1 post GB
Sunday, 18 March 2018
MikeP
sentiment_very_satisfiedPlatinum

11:22 AM

RDP:

Without a full post code we cannot tell what the reception conditions are like at your location.

However, a signal strength of 99% is far too strong. The ideal is between 60% and 85% and an attenuator could help by reducing the excessive signal strength.



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MikeP's 2,702 posts GB
Monday, 26 March 2018
J
Jason
1:43 AM

Ch 4+1HD and other channels have no signal, aerial in loft and no problems before this.

link to this comment
Jason's 1 post GB
Friday, 30 March 2018
S
Stephen
sentiment_satisfiedBronze

8:15 PM

Does anybody know whether the MUXes that carry both SD and HD channels can be recorded simultaneously on one tuner or is it one or the other?

I have five tuners on a PC that record Freeview but I have noticed that I have run out of tuners when recording two programmes at the same time on COM7 & COM8.

Thanks

link to this comment
Stephen's 31 posts US
J
js
sentiment_satisfiedGold

9:43 PM

Stephen: A tuner is tuned to the frequency of the multiplex it is receiving.

To record off n multiplexes simultaneously requires n tuners.

To record off com7, com8 and BBC B, the tuners need to be DVB-T2 capable.

It would appear that only two of the five tuners are DVB-T2.

link to this comment
js's 617 posts GB
Saturday, 31 March 2018
S
Stephen
sentiment_satisfiedBronze

8:34 PM

Sorry my post was badly worded, my system only has DVB-T2 tuners.

So as an example. I'm recording 6 programmes at the same time, four on separate muxes and the last two are on COM7, one is SD and the other is HD. Should this work?

My system allows the six records as but when the programmes actually start only the one that starts first on COM7 actually does.

I'm trying to find out if I have a hardware problem or if it won't work in the first place.

link to this comment
Stephen's 31 posts US
J
js
sentiment_satisfiedGold

10:49 PM

Stephen: It should work. SD or HD makes no difference.

Which channels, are you certain they are both on com7?

COM7
(
LCN SID TYPE SERVICE NAME
056 A180 22 5USA+1
057 A200 22 5Spike+1
064 A1E0 22 CBS Action+1
067 A170 22 CBS Reality +1
082 A1B0 22 Vintage TV
084 A1D0 22 Quest Red+1
087 A1A0 22 Keep It Country
097 A1F0 22 Pick+1
107 A000 25 BBC NEWS HD
108 A050 25 Al Jazeera Eng HD
109 A030 25 Channel 4+1 HD
110 A040 25 4seven HD
113 A150 25 RT HD
272 A160 12 Bollywood HD
733 A0D0 02 Trans World Radio
792 A110 22 VIVA
)

What software are you using?

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js's 617 posts GB
Sunday, 1 April 2018
S
Stephen
sentiment_satisfiedBronze

10:38 PM

It seems to be 4Seven HD that I have had problems with.

It's possible that it's the scheduler as I was setting up yesterday and it seemed to be treating Radio 1 as being on a different Mux from BBC1 and BBC2, I have not had a problem with radio and TV before although most of the radio I record is not on at prime time so there are usually plenty of tuners available.

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Stephen's 31 posts US
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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.

If you have no satellite signal, see Sky Digibox says 'No Signal' or 'Technical fault'

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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