Full Freeview on the Mendip (Somerset, England) transmitter
Brian Butterworth first published this on - UK Free TV
Google Streetview | Google map | Bing map | Google Earth | 51.237,-2.626 or 51°14'12"N 2°37'33"W | BA5 3LB |
The symbol shows the location of the Mendip (Somerset, England) transmitter which serves 720,000 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.
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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 Mendip 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 Mendip transmitter?
ITV West Country News (East) 0.9m homes 3.4%
from Bristol BS4 3HG, 23km north (11°)
to ITV West region - 61 masts.
All of lunch, weekend and 50% evening news is shared with West Country (West)
Are there any self-help relays?
Cheddar | Transposer | 15 km E Weston-super-Mare | 1674 homes |
Luccombe | Active deflector | 6 km w Minehead | 38 homes |
How will the Mendip (Somerset, England) transmission frequencies change over time?
1984-97 | 1997-98 | 1998-2010 | 2010-13 | 2013-18 | 2013-17 | 27 Feb 2018 | |||
C/D E | E | E | C/D E | C/D E T | W T | W T | |||
C30 | _local | ||||||||
C32 | BBCA | ||||||||
C33 | com7 | com7 | |||||||
C34 | D3+4 | ||||||||
C35 | com8 | com8 | |||||||
C36 | ArqB | ||||||||
C37 | C5waves | C5waves | |||||||
C48 | SDN | SDN | SDN | SDN | |||||
C49tv_off | BBCA | BBCA | |||||||
C51tv_off | LBS | LBS | |||||||
C52tv_off | ArqB | ArqB | ArqB | ||||||
C54tv_off | C4waves | C4waves | C4waves | D3+4 | D3+4 | D3+4 | |||
C55tv_off | com7tv_off | ||||||||
C56tv_off | ArqA | ArqA | ArqA | COM8tv_off | |||||
C58tv_off | BBC1waves | BBC1waves | BBC1waves | BBCB | BBCB | BBCB | |||
C61 | ITVwaves | ITVwaves | ITVwaves | BBCA | |||||
C64 | 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 24 Mar 10 and 7 Apr 10.
How do the old analogue and currrent digital signal levels compare?
Analogue 1-4 | 500kW | |
Analogue 5 | (-6dB) 126kW | |
SDN, ARQA, ARQB, BBCA, D3+4, BBCB | (-7dB) 100kW | |
com7 | (-8.4dB) 72.4kW | |
com8 | (-8.6dB) 69.1kW | |
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LBS | (-17dB) 10kW |
Which companies have run the Channel 3 services in the Mendip transmitter area
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Friday, 29 August 2014
A
a Bertram10:26 AM
My TV switches itself on at 7oclock every morning. why does this happen? I have not set it on a timer.
BS 251AT
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M
MikeB4:30 PM
a Bertram: Unless you have a poltigeist, you almost certainly have. Check that you havn't set up the TV's timer to come on - its easily done.
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Wednesday, 3 September 2014
N
Neil Burton10:00 PM
Hi,
I have returned my TV box this evening as requested to do so by onscreen messages and now I have several channels with poor signal that are non watchable- such as bbc1 and bbc2. I did not have this problem before retuning. When will this problem be rectified?
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M
MikeB11:06 PM
Neil Burton: Try finding out which transmitter your tuned into, its probably the wrong one.
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Saturday, 20 September 2014
J
John Dennis9:45 PM
I have been told that BBC4 is now on channel 803 on Freeview, but get a No Signal when I use that channel. Any suggestions as to how I can get my favourite TV channel?
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Dave Lindsay
9:53 PM
9:53 PM
John Dennis: BBC Four is, and has always been, on logical channel 9.
BBC Four HD is on channel 106, if you can receive it.
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Wednesday, 24 September 2014
D
David Newton5:38 PM
Hi, Re Mendip:
I'm still not getting BBC4 HD on channel 106 in central Weston super Mare
despite retuning, and performing 'first install' ?
Please advise.
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J
jb386:26 PM
David Newton: As you specifically mention BBC4 HD on 106, are you meaning that 106 is missing from the EPG listings? or is it the case that 106 is seen but selecting same results in a blank screen.
Are receiving the other HD channels on COM7 OK, e.g: 107-108-109 etc, if not carry out a manual tune on Mux Ch33 / 570Mhz.
By the way, its assumed you are aware that BBC4 HD only operates from 1900 - 0530 hours?
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Thursday, 25 September 2014
D
David Newton11:37 PM
Hi, thanks for fast response.
Confirming 106 is missing from EPG listing on every HD device in home.
No channels exist between 105 ->120
As suggested, tried checking Ch 33 on the main Living room TV.
Setup reports "NO SIGNAL - Signal stength/quality 0%"
Reception strength for all existing channels is good.
Do we suspect the old aerial is the culprit ?
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Friday, 26 September 2014
J
jb389:03 AM
David Newton : If the problem is evident on all of your HD devices (if "not" all of the same brand) then this does rather suggest that COM7 / Mux33 is not being received, and although your precise location (post code) is not known, a test carried out using the railway station as a reference point indicates reception of COM7 is possible in that particular area.
Although you have already carried out a manual test on Mux Ch33, I would like you to try it again on more than one device, as on many brands (but not all) if search or scan is "not" pressed after having entered the Mux channel number required, then if any signal is being received, no matter how low it might be, the level of will be seen on the strength / quality bar.
If this still results in zero signal being received then try Mux Ch31, this being Wenvoe's COM7 which you might be able to receive on the reverse side of your aerial "if" anywhere near to the test code used, as Wenvoe has a slighter better line-of-sight using the test code location over that from Mendip.
The only reason for requesting this check being, that in cases where a "genuine" zero signal is received from a particular transmitter, changing the aerial does not usually make any difference to the situation.
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