By providing a full postcode (such as W1A 1AA), national grid reference (for example SE123456) or latitude, longitude pair (like 54, -0.5) this page will provide a map, terrain plot and detailed information of the location showing the UK and RoI television transmitters that it is possible you receive Freeview, Freeview HD, Youview, BT TV and Saorview from.
(Don't know your postcode? Find it at Post Office Postcode finder).
UK Free TV uniquely shows you transmitter coverage maps, aerial to transmitter terrain plots, the closest 10 mobile phone masts (for possible 5G-at-800 interference) as well as tabulated information (sorted by direction, by received signal strength, by frequency, by service names or by transmitter name).
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See sample prediction pages
Click on these links to see how this page looks with these sample postcodes: IP331YH, B323RZ, WV113UF, EH67AG, SO226HD, DN331HF, G729PY, SL57HH, B64NG, N90JA.
Please note
These predictions are based upon a rooftop aerial and depend on the suitability of the aerial, the distance to the transmitters, the power of their signals, the postcode area, and local terrain.Monday, 24 April 2023
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Chris.SE1:10 PM
Ted Slater:
Hi, yes it would annoy me too! I wouldn't expect Quest to have any answer, this is undoubtedly down to some quirk or fault with the Humax Aura 4k PVR on the assumption that when you do the full reset the tuning memory is completely cleared - were you able to/did you check that before retuning again?
Is it still the same LCN TV Channels numbers or is it common to one multiplex (COM6?).
I would have expected Humax to have come up with an explanation, how old is the box?
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Monday, 3 July 2023
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Steve Donaldson4:06 PM
Chris B: In terms of restoring the HD channels on your TV then these are on UHF channel 41 (634MHz) and you should try a manual scan of that channel.
Resetting and rescanning will make no difference because the TV is set to receive the channels of the transmitter. All that this results in is the memory being cleared and missing channels in the TV's memory. The issue lies elsewhere, I would suggest.
You have complained before about missing channels and whilst we don't know whether it could be based on your location (as it hasn't been provided), be aware that other cables such as HDMI, Ethernet and USB running alongside an aerial lead could cause such issues. If you have such cables running nearby, then see if the manual scan of UHF channel 41 gives indication of strength and quality, and see if moving them away from the aerial lead increases the quality (or if strength and quality aren't shown separately, see if the signal strength bar increases when they are moved away).
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Steve Donaldson4:20 PM
Chris B: Knowledge of your location in the form of postcode, or nearby postcode, would allow us to see what sort of signal you might be expected to receive.
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Chris.SE10:16 PM
Chris B:
Also worth noting that Windermere is a relay of Caldbeck which is listed for Planned Engineering! I don't know how the signals to Windermere are fed, but it's possible that work at Caldbeck might affect them, so Windermere should also be listed, but we know that the lists are not always 100% accurate.
As Steve Donaldson has said a manual tune of UHF C41 is the sensible option.
Automated tuning if signals are missing or badly pixelated often just clear the correct tuning, if you were correctly tuned before, it's never advised to retune when you have badly pixellated signals or no signal.
Recent weather conditions caused interference to some signals in some areas and if you were affected and you retuned during that, as already mentioned, it's probably cleared your tuning.
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Tuesday, 4 July 2023
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Steve Donaldson12:13 AM
Chris.SE: Windermere is a relay of Kendal.
Kendal is no longer a relay of Caldbeck. At switchover a sub region for BBC North West and ITV Border was created, with Kendal as the parent. This was so as to maintain the regional coverage as it was with analogue, where ITV and C4 were taken from Caldbeck and BBC1 and BBC2 from Winter Hill.
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Chris.SE1:13 AM
Steve Donaldson:
Thanks for the correction, I shall in future cross-check more than one document for information such as that. At least OFCOM's 700MHz Clearance spreadsheet (which has other errors!) and DUK/Arqiva's clearance pdfs have that correct as well.
That doesn't throw the theory out of the window totally, Kendal was listed for Planned Engineering in the last week of May and first week of June, again I don't know how Windermere is fed from Kendal.
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Chris.SE1:20 AM
Steve Donaldson:
Just to add, it's great to have your obvious knowledge and experience around here. It's been a bit thin on the ground in recent times with just 2 or 3 of us most of the time trying to answer queries.
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Saturday, 8 July 2023
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Steve Donaldson12:53 PM
Chris.B: The 700MHz Clearance spreadsheet is one of the documents I was referring to myself. The Freeview predictor lists only the ITV region, although it omits the sub-region where applicable.
The BT network diagrams from the 1980s show SHF links between Caldbeck and Lancaster:
Lancaster (IBA): BT Microwave Sites
According to mb21, Windermere receives Kendal off-the-air:
mb21 - The Transmission Gallery
The Kendal transmitter group is as follows:
Kendal
---- Coniston
---- Hawkshead
---- Kendal Fell
---- Sedburgh
-------- Millthrop
---- Windermere
-------- Crosthwaite
-------- Grasmere
The indentations are denote the relays. Millthorp is a relay of Sedburgh, and Crosthwaite and Grasmere are relays of Windermere, hence the double indentations.
The sources for this are the 700MHz Clearance spreadsheet, which shows the relays, and mb21, which informs as to whether a relay is fed directly from Kendal or from another relay.
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Chris.SE2:09 PM
Nottingham
Steve Donaldson:
Great detail, thanks. Lets hope mb21 is up-to-date, it usually is.
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Chris.SE's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Wednesday, 2 August 2023
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Ted Slater12:52 PM
Chris.SE
Apologies for the delay since April! Other issues crowding life and a certain degree of sloth around this particular problem - noli nothis permittere te terere and all that.
I've currently given up with Humax support - like you I'm convinced it's a problem with the Aura (only 9 months old) but, as they can't guarantee that a full reset of the box will retain my recordings (they "think" it will be ok!!) I haven't had the nerve to try it. A full retune with a cleared memory doesn't fix the problem.
In the meantime, I'm content to use Quest+1 - the problem seems to be solely on COM6.
Thanks again
Ted
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