Full Freeview on the Oxford (Oxfordshire, England) transmitter

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

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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.

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 04/11/2024 Pixelation or flickering on some or all channels

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.

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, plus 17 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, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (Central west), 71 That’s 60s,
PSB3 BBCB	H max	C47 (682.0MHz)	295m	DTG-	100,000W
	46 5SELECT, 101 BBC One HD South (Oxford), 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, 107 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 U&Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 U&Dave ja vu, 58 ITV3 +1, 59 ITV4 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 81 Blaze +1, 83 Together TV, 91 WildEarth, 93 ITVBe +1, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 251 Al Jazeera English, 255 FRANCE 24 (in English), 265 Rok Sky +1, plus 29 others
COM5 ArqA	H -3dB	C37- (601.8MHz)	319m	DTG-8	50,000W
	11 Sky Mix, 17 Really, 19 U&Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 U&Drama +1, 65 That's TV 2, 70 Quest +1, 74 &UYesterday +1, 76 That's TV 2 MCR, 233 Sky News, plus 13 others
COM6 ArqB	H -3dB	C31 (554.0MHz)	319m	DTG-8	50,000W
	12 Quest, 25 U&W, 27 U&Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 63 GREAT! romance mix, 73 HobbyMaker, 75 That's 90s, 82 Talking Pictures TV, 84 PBS America, 235 Al Jazeera Eng, plus 18 others
LOX	H -10dB	C46 (674.0MHz)	295m	DTG-12	10,000W
	from 22nd December 2014: 7 That's 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 (182°)
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 AM/FM 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?

P

Peter Turner
2:03 PM

NN13 postcode, BBC1/2/3/4 have too strong a , so installed an attenuator, if I turn down the signal to resolve the above I lose all other .

Why would the signal stregnth on channel 53+ be more than on channel 60-?

What do the + and - signs after the channel numbers mean?

My recorder is a Technika AEDTR160S7.

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Peter Turner's 1 post GB flag

S

Steve P

_{sentiment_satisfied}Gold

2:22 PM

PT - I'll give you a quick answer but someone more expert will follow!

Assuming the 53+ and 60- are the same it might be that your works better for one than for another - especially one like 60 at the end of the range in use.

IIUC the + and - mreans they are using slightly different to the "" for that number. I think I've seen a suggestion that some boxes don't work well with -s.

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Steve P's 1,173 posts GB flag

M

mst
2:55 PM
Oxford

@Peter

I see the same wrt to and with a log-periodic which should work from to ! Need 6dB attenuator to get 53 off 100% and that hurts the on others. It is hard believe they are both at same at same height on the . BUT I'm not too sure what my boxes actually report for signal strength. It may actually be an SNR (quality being a digital Error rate), so the problem may be noise on C60 from a distant Tx, perhaps? Precise alignment of aerial may.

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mst's 19 posts GB flag

mst's: M's Freeview map M's terrain plot M's frequency data M's Freeview Detailed Coverage

C

Chris.SE

_{sentiment_satisfied}Silver

3:22 PM

Pete Turner: Hi, most of your question has been answered by Steve P. & mst. postion can make a difference, as can the +/- shift off the centre , this being dependant - not aware of any specific issues with your PVR, it's a Vestel clone - you can always google, but there's lots to read!
If there is a significant difference between and it could indicate degraded aerial (if old - water getting into connector box could cause this) likewise degraded (or cheap) coax or maybe aerial is a group B instead of C/D. However if you are going to replace your aerial in the future you should go for a to cope with projected new COM muxes 7,8,9 sometime after ~2013.

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Chris.SE's 251 posts GB flag

M

martin
9:52 PM

before upgrades could recieve all inculding which was being feed from unit down stairs now this is snowy and retune carnt clear also strength has drop on free view so either not getting or channel freezes on certain stations

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martin's 1 post GB flag

S

Steve P

_{sentiment_satisfied}Gold

11:45 PM

If is from a , probably one of the new broadcast is interfering and you will have to change its .

Otherwise, no postcode, no can.

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Steve P's 1,173 posts GB flag

N

Nick Wilcock

_{sentiment_satisfied}Bronze

9:01 AM
Witney

55, 59 and 62 were unused in days from , so if your system used one of those channels for your RF feed, you will need to retune your Sky channel.

Go to '' on the handset, then press 4 then 0 then 1, then press 'select' to view the installation menu. Choose option 4 (RF outlets), then choose the channel to which you wish to retune. Then scroll down to ' new settings'.

I use Ch 22 for Sky, Ch 25 for VCR and Ch 28 for DVR - all work fine.

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Nick Wilcock's 44 posts GB flag

Nick's: N's Freeview map N's terrain plot N's frequency data N's Freeview Detailed Coverage

S

Steve P

_{sentiment_satisfied}Gold

1:41 PM
Wrexham

If you plug in your postcode top right this site suggests spare .

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Steve P's 1,173 posts GB flag

Steve's: S's Freeview map S's terrain plot S's frequency data S's Freeview Detailed Coverage

B

Bill C
3:52 PM
Oxford

We are in city, a few miles from the Beckley . Before we had pefect Freeview on all . After switchover, despite all recommended retuning etc, we have rapidly varying signal strength (from poor to excellent and back in the space of a few seconds) on UFH channel 60 which is delivering the ITV channels.

One Old but reliable analog TV, oldish freeview box (digihome dvb915), professional installed normal , boosters etc. Any thoughts ...?

many thanks

Bill

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Bill C's 2 posts GB flag

Bill's: B's Freeview map B's terrain plot B's frequency data B's Freeview Detailed Coverage

S

Steve P

_{sentiment_satisfied}Gold

4:34 PM

UK digital TV reception predictor

Bill - you have a VERY strong - maybe too strong even without amplification.

Do any of your sets have built-in aerials? Try that, or just a wire into the coax plug.

Or buy an attenuator

Amazon.co.uk: Low Prices in Electronics, Books, Sports Equipment & more (LL145HD)

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Steve P's 1,173 posts GB flag

Page 44

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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