All posts by Dave Lindsay
Below are all of Dave Lindsay's postings, with the most recent are at the bottom of the page.
Tom Lewis: There are many many people in the same boat.
See here:
Sudbury Arqiva multiplex B changes 16 November - retune required | ukfree.tv - independent free digital TV advice
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Tony Liddiard: The reason that Hannington is as you say it is now is because the frequencies used for its digital service are the same as Guildford's analogue one.
Come switchover, Hannington will broadcast digital TV using the same frequencies that it used for analogue TV (as is the case for most transmitters), hence the problem of transmitters clashing won't exist.
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Ian: Your mother's TV is obviously picking up Belmont's signal.
Run the auto-setup scan with the aerial unplugged and then plug it in when it gets to 25%.
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Brian Springthorpe: Channel 4 HD is broadcast from all Freeview transmitters on the same multiplex as the other HD channels. It is LCN52 except for Wales which has S4C Clirlun instead.
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Anne R: When you say that you cannot get 1-9 channels, are you referring to BBC One, BBC Two, ITV1, C4 up to BBC Four?
Are you using a rooftop aerial?
What is your post code so as to find out what transmitters serve your area?
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John: There was no requirement to retune as the frequencies used for services from Hannington have not changed.
There were two possibilities:
1. If your unit was tuned correctly, then retuning won't help because issues with reception lie elsewhere. This will provide no benefit but there is the potential to make matters worse because your receiver could tune to the wrong transmitter.
2. If your unit was not tuned correctly, then retuning was necessary since the time it was last tuned (incorrectly). In this case, you were tuned to a signal from a direction (transmitter) to which your aerial does not face, thus picture reception issues are to be expected.
If your aerial points to Hannington, then do a full scan with the aerial unplugged. When it gets to 33% plug it in. This will mean that the aerial is unplugged whilst scanning the frequency used by Crystal Palace which carries London services, but plugged in for Hannington.
Once you have done this, you can verify that your receiver is tuned correctly by checking the UHF channels it is tuned to for the following services:
BBC One Ch50
BBC Four Ch46
ITV1 Ch43
ITV3 Ch40
Pick TV Ch44
Yesterday Ch41
This information is usually given on the signal strength/quality screen. It may be described as "Channel", "Ch", "UHF channel" or some variation thereof.
Once you have established that these channels are correct, then there is no need to retune until 8th February. If you have issues, then it is not the tuning that is at fault.
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Philip J Thomas: You should not (in all likelihood) have to replace your aerial because the group is the same after changeover.
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Travis Hesketh: See here:
Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice
You are within a few miles of Belmont, so I suggest that you might suffering from too higher signal level.
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G. Thomas: Please forgive my lack of knowledge of your local area. What is the transmitter you are referring to? Can you post your post code and the direction of your aerials?
Most relays do not carry the commercial channels, so if your receivers are picking them up, then it might not be from the transmitter you refer to.
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Wednesday 7 December 2011 12:49PM
Des O'Hara: The first thing to check is that your TV/box is tuned to the signal from the transmitter to which your aerial points and not another one.
If you are on Wharfedale, then BBC is Ch25 and ITV1/C4/C5 is on Ch22. HD services are on Ch28. Is this what you have?