Full Freeview on the Oxford (Oxfordshire, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 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._______
Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.
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 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.
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 | BBCtvwaves | ||||||||
C29 | SDN | ||||||||
C31 | com7 | com7 | |||||||
C37 | com8 | com8 | |||||||
C41 | BBCA | ||||||||
C44 | D3+4 | ||||||||
C46 | _local | ||||||||
C47 | BBCB | ||||||||
C49tv_off | C5waves | C5waves | |||||||
C50tv_off | SDN | SDN | |||||||
C51tv_off | LOX | LOX | |||||||
C53tv_off | C4waves | C4waves | C4waves | +BBCA | +BBCA | +BBCA | |||
C55tv_off | ArqB | ArqB | ArqB | com7tv_off | |||||
C56tv_off | COM8tv_off | ||||||||
C57tv_off | BBC1waves | BBC1waves | BBC1waves | BBCB | BBCB | BBCB | |||
C59tv_off | -ArqA | -ArqA | -ArqA | ||||||
C60tv_off | ITVwaves | ITVwaves | ITVwaves | -D3+4 | -D3+4 | -D3+4 | |||
C62 | SDN | ||||||||
C63 | BBC2waves | BBC2waves | BBC2waves |
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
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Wednesday, 26 October 2011
SN3 4ST. Pixilation last night for all my aerials and to a lesser extent this morning, on Coms 4. Was this just due to the rain. Every other Com and PBS were fine.
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Robert's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
M
mst9:36 AM
@Robert
The SDN mux is on the highest frequency C62 at lowest power so will be the first to suffer. Power is supposed to be raised next April, at some point in the future the Channel No will change down
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Robert: As a general rule, if the signal gets worse during rain the usual reason is that the water is getting into the cables.
You would normally just replace the aerial cable with a new run. Satellite-grade cable is the best to use if you are going to do that.
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C
Christine12:46 PM
Cirencester
Christine:
Brian - thank you. I've a feeling we did unplug the booster things, but will double-check again. Come back, analogue, all is forgiven!
Christine
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Christine's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
D
David Pinfold4:58 PM
Banbury
Robert - I noticed the same effect on the Com muxes last night here in Banbury although the PSB's were absolutely fine. I used to notice the same thing happening when it rained on the old MUX2 (now D3+4) which used to broadcast at similar power (10KW ERP) & in 64QAM mode on C68. The will problem will probably resolve itself next April when the COM muxes power up to 50KW ERP.
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David's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage
Thursday, 27 October 2011
Brian/David thanks. I think we will live with it for now, we have 4 aerials. We have over the last year replaced practically every cable, plugs, outlet plates costing hundreds of pounds when the boosters were added to compensate for the poor signal strength so a few months more just to see won't hurt.
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Robert's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Saturday, 29 October 2011
Hi Brian, yes I was very aware of that so removed the boosters after the 28th, and things were fine but within a couple of weeks once again we started to get break up on the weaker channels so put a number of boosters back which stabilised the single again, as I say until the night the rains came.
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Robert's: mapR's Freeview map terrainR's terrain plot wavesR's frequency data R's Freeview Detailed Coverage
Robert: And, as we have been over this before, you have already replaced the cables, because the usual reason for problems during rain is that water is getting in the cables or connectors causing a short circuit...
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Monday, 31 October 2011
B
Bill9:09 AM
Leighton Buzzard
Heavy rain or a thunderstorm can certainly interrupt signals. I've see my Sky box loose signal for seconds and sometimes minutes at a time during heavy rain. Then it comes back by itself. Surely if water had got into the cables, the interruption would have been longer? During the weak freeview signals of the last few years, my freeview reception has certainly been affect too by heavy rain.
link to this comment |
Bill's: mapB's Freeview map terrainB's terrain plot wavesB's frequency data B's Freeview Detailed Coverage
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