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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 06/12/2021 Possible 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
_______

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, 25 ITV4, 30 E4 +1, 35 ITV +1 (Central west),

PSB3
BBCB
 H max
C47 (682.0MHz)295mDTG-6100,000W
Channel icons
73 Shopping Quarter , 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, plus 1 others

COM4
SDN
 H -3dB
C29 (538.0MHz)295mDTG-850,000W
Channel icons
 CCXTV, 12 Quest, 20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 42 GREAT! movies action, 45 Channel 5 +1, 56 5SELECT, 58 ITVBe +1, 59 ITV3 +1, 60 ITV4 +1, 64 Blaze, 67 CBS Reality, 68 Horror Channel, 74 Drama +1, 78 TCC, 81 Blaze +1, 203 CITV, 211 Ketchup TV, 212 YAAAS!, plus 16 others

COM5
ArqA
 H -3dB
C37- (601.8MHz)319mDTG-850,000W
Channel icons
11 Sky Arts, 17 Really, 19 Dave, 31 4Music, 36 pick, 40 Quest Red, 43 Food Network, 46 Film4 +1, 47 Challenge, 48 4seven, 57 Smithsonian Channel, 70 Quest +1, 75 Yesterday +1, 83 Together TV, 233 Sky News, plus 9 others

COM6
ArqB
 H -3dB
C31 (554.0MHz)319mDTG-850,000W
Channel icons
25 Dave ja vu, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 41 CBS Justice, 44 HGTV, 68 CBS Drama, 82 Talking Pictures TV, 84 PBS America, 234 RT, 235 Aljazeera English, plus 17 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
 Together TV +1,  Merit,  Court TV, 65 FreeSports, 71 Quest Red +1, 76 Now 70s, 86 More4 +1, 87 PBS America +1, 91 That's TV , 96 Forces TV, 106 BBC Four HD, 107 BBC News HD, 113 RT 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-80s1984-971997-981998-20112011-132013-182013-1723 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 - 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, 6 May 2015
R
robbie mullaney
7:39 AM
Faringdon

I have lost itv and e4 and a few others.
i have 2 aerials serving 2 tvs and they have both lost the same programs.
one aerial is indoors and the other is outside so there must be a fault in the transmitter.................

link to this comment
robbie mullaney's 1 post GB
Dave Lindsay
sentiment_very_satisfiedPlatinum

11:50 AM

robbie mullaney: ITV, ITV2, E4 and others are carried on PSB2 multiplex. Oxford broadcasts this on UHF channel 60, which is the highest and the closest to 4G services in the 800MHz band which may be operating in your area, these occupying channel 61 upwards. The mobile base stations which are a short distance from you are also in line with your aerial too.

Therefore, it's worth seeing if 800MHz 4G has started by ringing at800. at800 is the company set-up by the mobile operators and tasked with alleviation of reception issues:

Contact us | Advice or general enquiries | at800



There are mobile base stations a short distance away.

link to this comment
Dave Lindsay's 5,724 posts GB
M
MikeB
sentiment_very_satisfiedPlatinum

2:00 PM

robbie mullaney: It sounds like a stupid question, but are the two aerial systems entirely seperate, and are you sure that the TV's are being fed independently?

link to this comment
MikeB's 2,579 posts GB
Sunday, 10 May 2015
R
Rob
sentiment_satisfiedSilver

11:40 AM

This Week has been very bad for Freeview TV reception..... due to change of weather condition's... It did affect Hannington, Oxford also London via Crystal Palace. Best thing to do is to ride it out and DON'T adjust anything to your TV and aerial. In old days of co channel interferance there used to be a BBC and ITV transmitter announcements saying due to weather conditions please do not adjust your tv set. Shame we don't see or hear of this anymore.

I remember many years ago.. that Digital TV will not be affected to poor weather and no interference..... wish this were true.. but science and theory does not apply to terrestrial transmissions and receiving.

This also applies to SKY / freesat mini dishes... when it rains lose the signal.... the mini dish might look pretty and neat.. but no good in heavy rains... i have recently installed a standard 80cm dish OK it might be bigger but very reliable satellite signal in any weather.... best to use solid dish and polish it with car wax polish every 6 months then any water hit the dish just rolls off.... it works for me.. hope this tip helps.

link to this comment
Rob's 171 posts GB
N
nickwilcock
sentiment_satisfiedBronze

7:28 PM

Poor weather affects satellite TV due to rain attenuation at microwave frequencies. However, although high atmospheric pressure can cause tropospheric ducting and reception of UHF at extreme ranges, probably the only significant effect of poor weather / heavy rain is due to moisture ingress in poorly insulated TV antenna systems.

BSB was far less affected by heavy rain than analogue Sky TV, due in part to slightly higher transmission frequencies but also higher power and DMAC modulation. Sky Digital is much more resilient (as far as the viewer is concerned) and the 'sparklies' which used to plague analogue satellite TV aren't a factor - only in severe weather, when the signal drops completely, are you likely to lose Sky.

link to this comment
nickwilcock's 44 posts GB
Monday, 11 May 2015
M
MikeP
sentiment_satisfiedSilver

8:06 PM
Trowbridge

Rob
Whether you use a solid or perforated dish makes not the slightest difference to the way it reflects the microwave signals onto the input horn of the LNB. A perforated dish has the advantage of allowing airflow through, so reducing the wind loading that can cause mis-alignment plus they tend to be a little lighter so reducing the load on the mountings. The holes/perforations are too small to affect the ability to reflect the signals onto the LNB. Having a clean surface that repels water is a good idea though. The key factors on how efficient dishes are is largely determined by the effective diameter of the said dish, a larger surface area 'collecting' more signal to be reflected, and how well the surface curvature is formed to focus accurately into the LNB horn. All the advice on dish size is based on using a conventional perforated dish and would be identical if you used a non-perforated dish. You can work it out if you understand spherical geometry at microwave wavelengths.

link to this comment
MikeP's 215 posts GB
R
Rob
sentiment_satisfiedSilver

9:01 PM

Rob: Mike I have been using satellite television since 1989.... so i DO know what improves the reception of satlitte TV also the lower noise LNB I.E 0.2dB helps... the SKY mini dish is really an gimmick for sky and i had alots of problems with them due to heavy rains in the past..... the mini dish is far too small.....

so don't tell me that i am talking rubbish!

link to this comment
Rob's 171 posts GB
Tuesday, 12 May 2015
M
MikeP
sentiment_satisfiedSilver

10:46 PM
Trowbridge

Rob
I wrote the original installation and service manuals for both the dishes and set top boxes needed for Astra reception in 1988 and 1989 and subsequently those for BSB Squarials and receivers. As a senior technical trainer and manager, I too know what I'm talking about, especially as part of my thesis was on satellite receiving and transmission systems. (But I chose not to use my full title on these pages.)

link to this comment
MikeP's 215 posts GB
Thursday, 14 May 2015
L
LOX
9:01 PM
Oxford

COM8 now live from Oxford on C37 I assume showing only

111 QVC + 1 HD
112 QVC Beauty HD

for now

link to this comment
LOX's 5 posts GB
J
jb38
sentiment_very_satisfiedPlatinum

11:29 PM

LOX: Yes, for the time being anyway, this being in common with all other stations COM8 multiplexes of the "On air" variety.

It is though advisable to carry out a rescan now and again in order to update the programme guide, purely to check if any additions associated with COM8 have been made to it.

link to this comment
jb38's 7,179 posts GB
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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.

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