All posts by Dave Lindsay
Below are all of Dave Lindsay's postings, with the most recent are at the bottom of the page.
Lesley: I presume that you are referring to the Hemdean transmitter. Digital UK Tradeview doesn't even give a prediction for it, so I guess that you're not in the difficult area.
Some of the Commercial services are on low power from Hannington and this includes ITV3. These will go up to full power on 18th April when Guildford transmitter switches to digital and vacates the two channels use by Hannington.
This probably explains the issue you have been having.
Refer to this page: Freeview multiplexes | ukfree.tv - independent free digital TV advice
Under "After switchover", SDN and ArqB are the ones on low power.
There will be no need for you to retune, assuming that you have ITV3 and Yesterday stored in your receivers. Don't re-scan if they are lost; this will simply result in them being lost from the channel listings.
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Ben Ward: C61 is that used by Mendip for BBC standard definition, so it is tuned to Mendip.
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Keith Smith: The Commercial multiplexes (which includes the on currently on C33) are on low power until 18th April when you will have to retune.
You may or may not need to switch your aerial to veritcal after that date.
Rowridge's transmission power for the Public Service channels is 200kW horizontally and vertically (and that is the case now). The Commercials will be 50kW horizontally and 200kW vertically. Therefore if reception issues are experienced with any of the Commercials, changing the aerial to vertical may help.
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Mick Triggs: It is difficult to say to for certain, but if you have good line of sight to the transmitter, your receiver could be suffering from signal overload.
See:
Freeview signals: too much of a good thing is bad for you | ukfree.tv - independent free digital TV advice
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Nadia: Without knowing your location (preferably in the form of post code or nearby post code) it is impossible to give an answer.
The only thing that can be drawn from what you've said is that you are in an area that has yet to switch to digital (due to the fact that analogue is still present).
It may be that you are not in an area where you can receive digital now or a different aerial may be necessary.
However, when switchover has happened, generally speaking current aerials (that function with analogue) will work fine, although in some cases upgrades will be necessary in order to receive Commercial channels.
If you provide your location a more specific answer may be possible.
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Nadia: Crystal Palace has undergone its first stage of switchover and will complete on 18th April.
You should be able to receive BBC standard definition services as they are now at full transmission power. You should not need to do anything with your aerial.
If there is a manual tuning or manual search function on the set, then you could try it and tune to UHF channel 23.
Have you received Freeview before at this location and using this aerial?
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Nadia: That sounds right, although I am surprised that auto digital tuning hasn't worked.
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Mike Dimmick: Is there a list available of the region names you refer to that transmitters identify themselves as?
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Tuesday 10 April 2012 4:30PM
Rod Craig: What's the model number of the set? Google it; often in cases such as this others have been along the same road.
The lists of defunct equipment are not exhaustive.