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Wenvoe commercial multiplexes at full power from 27th April 2011

In the fifth switchover week for 2011, the final two commercial multiplexes will be powered up to full output.

In the fifth switchover week for 2011, the final two commercial
published on UK Free TV

Welsh viewers in the areas around Cardiff, Bridgeend, Merthyr Rydil and Newport as some viewers in Bristol, Weston-Super-Mare, the Minehead will have improved reception from Wednesday.

The SDN (formally multiplex A) and Arqiva-A (former multiplex C) were held at low power and temporary frequencies, to prevent interference to existing analogue transmitters in the west of central England.

Now that this neighbouring region has switched over, SDN will move to 50kW output on C42+ (from 10kW on C51) and ArqA will move to 50kW output on C45 (from 10kW on C30).

This means if you have been unable to receive these services from Wenvoe, you will now be able to do so, if you can already receive the ArqB multiplex.

However, because of the frequency change, if you use Wenvoe for your digital reception, you will need to do a "first time installation" retune on Wednesday 27th April 2011.

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Friday, 29 April 2011

6:44 AM

Merlot: Yes, the power increased. "Medium" signal strength is usually the correct level.

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Briantist's 38,844 posts GB
4:13 PM

Mike: Thanks for the advice, unfortunately I think your spot on. I've always had a problem with Channel 49 and did think it was due to the Trefechan transmitter. 75% signal with 0% Quality. I didn't realise the latest channels for Wenvoe also clashed. I bought a Vision Stealth aerial to overcome the Channel 49 problem, but it didn't help. I guess I've had it with 5* and 5 USA now and will have to join everyone else with a substandard service off the local transmitter. I wonder if screening the back of the aerial will help, there's enough metal work up there to attach it to?? Otherwise is the Mendip transmitter possible from Merthyr Tydfil? I'm currently using a 28db masthead amplifier and vision Stealth aerial set up.

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Steve's 2 posts GB

4:18 PM

as channels 61/62 are to be used for mobile phones. will the replacement channels for mendip/salisbury stll be in the c/d aerial range or will wide band be required

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david's 63 posts GB
Mr BH Tucker
8:45 PM

I receive my Freeview via Upper Killay Relay which I understand is linked to Wenvoe. I notice other parts of the country have far more channels on Freeview eg Film 4etc

Is the situation likely to change with increase power levels installed at Wenvoe or am I always going have restricted choice because I am linked to a relay transmitter.

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Mr BH Tucker's 1 post GB

11:37 PM

Mr BH Tucker: According to the Digital UK postcode checker you should be able to receive a full service with good reception from both Kilvey Hill and Wenvoe. Kilvey Hill requires a group A receiving aerial set for vertical polarisation. For Wenvoe use a group B aerial set for horizontal polarisation. If you continue to use a relay transmitter you will probably never receive more than the PSB muxes. It is simply not cost effective for the mux owners to extend coverage to small relay sites.

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KMJ,Derby's 1,811 posts GB

11:47 PM

david: The sustitute channels for C61 and C62 are in most cases C49 and C50 which keeps the frequencies in group C/D.The displaced transmissions formerly on C49 and C50 are usually allocated C39 and C40, keeping them in group B where applicable.

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KMJ,Derby's 1,811 posts GB
Monday, 2 May 2011
8:37 PM


It seems like most people, since the upgrade I have lost numerous channels (i.e. Fiver, E4). I believe this is multiplex A. As mentioned above i have completed a first time retune and have reset both the freeview receivers but I have had no luck. Before the change I had all changes with excellent reception. Will I now need to upgrade the aerial? which is not very old and has worked perfectly until a few days ago.

PS I live in Cardiff Bay.


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Andyd's 1 post GB
Tuesday, 3 May 2011
3:40 PM

I live in the centre of Cardiff and did the 'first time installation' last week after a message popped up on the telly about the Wenvoe transmitter. I seem to have lost the signal on all the ArqA channels since. What can I do to get it back? Fiddling with the aerial's no good as I live in an apartment block.

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Mike's 2 posts GB
Wednesday, 4 May 2011
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