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Full Freeview on the Oxford (Oxfordshire, England) transmitter

Brian Butterworth first published this on 1st May 2004 at 08:20 - UK Free TV

51.790,-1.179 or 51°47'25"N 1°10'46"W

OX3 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.

Mux	H/V	Frequency	Height	Mode	Watts
PSB1 BBCA	H max	C41+ (634.2MHz)	295m	DTG-	100,000W
	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)	295m	DTG-	100,000W
	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)	295m	DTG-	100,000W
	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 66 TBN UK,
COM4 SDN	H -3dB	C29 (538.0MHz)	295m	DTG-8	50,000W
	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 Player, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, plus 15 others
COM5 ArqA	H -3dB	C37- (601.8MHz)	319m	DTG-8	50,000W
	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 9 others
COM6 ArqB	H -3dB	C31 (554.0MHz)	319m	DTG-8	50,000W
	12 Quest, 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 Al Jazeera Eng, plus 19 others
LOX	H -10dB	C46 (674.0MHz)	295m	DTG-12	10,000W
	from 22nd December 2014: 7 Thats Oxford,

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?

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

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-80s	1984-97	1997-98	1998-2011	2011-13	2013-18	2013-17	23 May 2018
	VHF	C/D E	C/D E	C/D E	C/D E	C/D E T	W T	W T
C2	BBCtv_waves
C29								SDN
C31							com7	com7
C37							com8	com8
C41								BBCA
C44								D3+4
C46								_local
C47								BBCB
C49_{tv_off}			C5_waves	C5_waves
C50_{tv_off}						SDN	SDN
C51_{tv_off}							LOX	LOX
C53_{tv_off}		C4_waves	C4_waves	C4_waves	+BBCA	+BBCA	+BBCA
C55_{tv_off}					ArqB	ArqB	ArqB	com7_{tv_off}
C56_{tv_off}								COM8_{tv_off}
C57_{tv_off}		BBC1_waves	BBC1_waves	BBC1_waves	BBCB	BBCB	BBCB
C59_{tv_off}					-ArqA	-ArqA	-ArqA
C60_{tv_off}		ITV_waves	ITV_waves	ITV_waves	-D3+4	-D3+4	-D3+4
C62					SDN
C63		BBC2_waves	BBC2_waves	BBC2_waves

_{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

Local transmitter maps

Oxford Freeview Oxford DAB Oxford TV region BBC South (Oxford) Meridian/Central (Thames Valley micro region)

Which companies have run the Channel 3 services in the Oxford transmitter area

Feb 1956-Jul 1968	Associated TeleVision†
Feb 1956-Jul 1968	Associated British Corporation◊
Jul 1968-Dec 1981	Associated TeleVision
Jan 1982-Dec 2006	Central Independent Television
Dec 2006-Feb 2009	ITV Thames Valley
Feb 2009-Dec 2014	ITV plc

Feb 1983-Dec 1992	TV-am•
Jan 1993-Sep 2010	GMTV•
Sep 2010-Dec 2014	ITV 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.

Is the transmitter output the same in all directions?

Comments

Thursday, 30 January 2014

Dave Lindsay

_{sentiment_very_satisfied}Platinum

2:44 PM

Caz: Your blond husband is switching off the which is likely to be located adjacent to the . What is referred to as a "booster" is in fact a supply for a booster which is fitted where the single feed from the aerial splits into two, one to each room. Thus, by turning off the power supply the booster has no power and a booster with no power will give out little or .

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Dave Lindsay's 5,724 posts

rob

_{sentiment_satisfied}Bronze

2:51 PM
Kidlington

Well, good news for you, mine is definitely from next door. Does anyone have any ideas on how i can protect against it?

Regards
Rob.

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rob's 25 posts

mazbar

_{sentiment_satisfied}Gold

3:03 PM

rob: I just have to ask have you had the checked out. I have never heared of interfereance from the next house. If your coax is damaged this could be letting in the interfereance but a good aerial with good coax with sheliding should block it. So call someone out to check what the problem is this website is good for advice but without being at your house no one can give you 100% the answer.

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mazbar's 384 posts

Chris
8:39 PM

Rob: I'm in Oxfordshire and I had on and off with some last few weeks too and this week lost a lot of channels including the HD channels. Surely this is just down to the works this week? That would be why your neighbour also has poor reception. It was obviously not a great signal before which I assume is why they are working on it. Is there any way of finding out the details of the engineering work? (51.6887,-1.2717)

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Chris's 1 post

MikeP

_{sentiment_very_satisfied}Platinum

9:37 PM
Calne

Caz
Because of Rob's very different location to you, the suggestion of a '' (better called an ) is not correct. He is only 7 km away from the so gets a good strong already and it does not need amplifying. If it were then in his location he would have had far worse loss of because of the signal then being far too strong.

As we do not have any idea of your location, other than it being in Buckinghamshire (with is not a small county), we cannot make any suggestions.

As David Linsay has stated, the item behind your TV set that is connected in the aerial feed is a power supply, the amplifier is mounted close to your aerial. The power supply needs to be left powered on to operate the aerial amplifier so your bedroom signals are properly delivered.

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MikeP's 3,056 posts

MikeP

_{sentiment_very_satisfied}Platinum

9:40 PM
Calne

Mazbar
Much earlier in the discussion of Rob's problem it was established that it is only affecting one TV connected to his system in the room that is adjacent to the which has his neighbours Virgin equipment at the other side. The problem is not present on his other TV sets, so the is fine and not a factor in this particular problem. Likewise, he has tried moving the TV set to the other side of the room successfully, again showing the aerial system is not a culprit.

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MikeP's 3,056 posts

Rob

_{sentiment_satisfied}Bronze

10:55 PM

Thanks Mike P,
the neighbors ring virgin for an engineer like they said they would. I cant see this being anything else than em , hoping that the engineer will move the offending source.
could by a new tv but don't want too and there is no guarantee that the new one wont do the same.

regards
Rob

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Rob's 63 posts

Friday, 31 January 2014

jb38

_{sentiment_very_satisfied}Platinum

12:21 AM

Rob: Have you as yet tried turning your TV around by 90 degrees so as to have it facing end on to the offending ? the reason for this request being that I suspect that your TV "might" be more susceptible to picking up locally generated EM directly into its PCB circuitry if any of the internal earth bonding jumpers used to link the metal screening cans on such as the tuners or any other vulnerable areas have not been tightened up properly, or indeed are missing! and should anything of that nature apply then any interference being picked up in that way is usually highly directional whereby is affected by angles, likewise turning the set around by 90 degrees or so being one way one way of revealing its existence without having the benefit of any gear being to hand, that being your biggest impediment!

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jb38's 7,179 posts

mazbar

_{sentiment_satisfied}Gold

6:09 AM

MikeP: that doesn't rule out any problem that having the system checked won't correct , but then again I don't know how to fix a tv I only know about aerials so I stick to advice about aerials.

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mazbar's 384 posts

Rob

_{sentiment_satisfied}Bronze

6:30 AM

Hi jb38
yet to turn the tv around, i will have a go today if i get the chance, i thought that the shielding on the tv would have been good it being Sony. However this may be the first time it hAs been near any type of strong EMI so may have been faulty all along.
Is there any check i can do inside the TV?
cheers
Rob

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