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Freeview reception at TF4 3LU



List is for aerial group type: wideband group A group B group C/D group E group K

ch name signal strength direction transmitter
C23multiplex D3+4 England Central (West micro region)
w-nw 283°The WrekinH
C26multiplex BBCA England West Midlands
H
C29Comux Local TV multiplex LB
southeast 133°Brierley HillV
C30-Freeview HD multiplex BBCB (PSB3) National
w-nw 283°The WrekinH
C31-multiplex Arqiva-A (COM5)
southeast 133°Brierley HillV
C32-multiplex BBCA England West Midlands
V
C34+multiplex D3+4 England Central (West micro region)
V
C35Freeview HD multiplex Arqiva-D (com8)
east 98°Sutton ColdfieldH
C35Freeview HD multiplex BBCB (PSB3) National
southeast 133°Brierley HillV
C37multiplex Arqiva-B (COM6)
V
C39+multiplex Arqiva-B (COM6)
east 98°Sutton ColdfieldH
C40+Freeview HD multiplex BBCB (PSB3) National
H
C41+multiplex SDN England (COM4)
w-nw 283°The WrekinH
C42multiplex SDN England (COM4)
east 98°Sutton ColdfieldH
C43multiplex BBCA England West Midlands
H
C44multiplex Arqiva-A (COM5)
w-nw 283°The WrekinH
C45multiplex Arqiva-A (COM5)
east 98°Sutton ColdfieldH
C46multiplex D3+4 England Central (West micro region)
H
C47multiplex Arqiva-B (COM6)
w-nw 283°The WrekinH
C51Comux Local TV multiplex LB
east 98°Sutton ColdfieldH
C55Freeview HD multiplex Arqiva-C (com7)
H

H Horizontal V Vertical HD High Definition


List is for aerial group type: wideband group A group B group C/D group E group K

Distance to transmitters:

 

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Show good and blocked paths from TF4 3LU for aerial height of ...

10m20m (Angel of the North)25m30m40m56m (Hyde Park Flats, Sheffield)62m (Monument)90m (Royal Liver Building, Liverpool)107m (Meridian Quay Tower, Swansea)115m (Bridgewater Place, Leeds)127m (Glasgow Tower)143m (Guy's Hospital)158m (Blackpool Tower)170m (Spinnaker Tower, Portsmouth)180m (The Gherkin/BT Tower) 193m (Tower 42)235m (Canary Wharf)310m (The Shard)(default view)

Comments
Thursday, 27 September 2018
L
Les Phillips
9:21 AM
Tiverton

Martin: Loss of signal. Lots of pixilation on all channels.


I believe the aerial is directed at Stockland Hill

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Les Phillips's 1 post EU flag
Les's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
MikeP
sentiment_very_satisfiedPlatinum

10:34 AM

Chris:

Tacolnston transmitter is working correctly at present and no faults reported.

Please check your aerial system and connections.



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MikeP's 3,056 posts GB flag
MikeP
sentiment_very_satisfiedPlatinum

10:36 AM

Les Phillips:

Please check your aerial cables and connections. If there are coaxial plugs/sockets please unplug them and refit. That will clear any corrosion/oxidation of ther contacts, which is a well known cause of the problems you report. DO NOT RETUNE.



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MikeP's 3,056 posts GB flag
Saturday, 29 September 2018
K
Kirk
10:17 PM
Hull

I have an Edison HDMI Modulator for my CCTV system and have tried setting it to various channels, no matter what channel I select, when in use I cannot tune in any bbc / itv etc channels on my TV's.

Any help on channel selection to eliminate signal loss would be appreciated.

Location - Humberside

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Kirk's 3 posts GB flag
Kirk's: mapK's Freeview map terrainK's terrain plot wavesK's frequency data K's Freeview Detailed Coverage
Sunday, 30 September 2018
MikeP
sentiment_very_satisfiedPlatinum

11:19 AM

Kirk:

Assuming you are tuned to the Belmont transmitter, try using a channel between 40 and 49 as they are not used by that transmitter now nor in the future.

However, it could be that the HDMI cables are radiating themselves and disrupting the TV UHF signals carried by the aerial cables- expecially if they are close to each other. So try moving the cables as far apart as is reasonably possible. If that helps then it is worth considering buying better cables with improved screening.



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MikeP's 3,056 posts GB flag
Monday, 1 October 2018
C
Chris
10:50 AM

MikeP

Thanks for the Tacolneston advice. With no equipment changes the Channel 56 signal was off and on for me on Thursday/Friday (varying no signal at all to 90%) but stable since Saturday pm. Maybe there has been some 'tweaking' going on and I am right on the edge.

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Chris's 7 posts GB flag
C
Chris
4:24 PM

Hmm,. Channel 56 Tacolneston back to zero signal again, channel 55 (also a low power transmitter) is 95% signal. Something must be going on!

Chris

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Chris's 7 posts GB flag
Tuesday, 2 October 2018
MikeP
sentiment_very_satisfiedPlatinum

10:27 AM

Chris:

Have you checked your aerial connections as previously suggested? Poor connection can cause loss or interuption of just one channel. There is no reported work at the transmitter at the time of writing.



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MikeP's 3,056 posts GB flag
C
Chris
7:38 PM
Saxmundham

Yes, I have checked these thoroughly and re-terminated a couple I thought might be imperfect - no change. What I can't understand is why COM7 on channel 55 is consistently 90% signal strength, 90% signal quality, whilst COM8 (which I thought had about the same 24kW output at COM7) and is on a bearing of 142 degrees from Tacolneston to me, and therefore not restricted by the radiation pattern (according your polar diagram), is currently zero signal today and yesterday (but was solidly 90% on Saturday and has in previous weeks been absolutely fine). 8MHz higher frequency should not affect reception that much.

Are we sure the wind hasn't blown the COM8 aerial away!? A comparison of channel 55 and 56 signal strengths at your location might be interesting.

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Chris's 10 posts US flag
Chris's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage
Wednesday, 3 October 2018
MikeP
sentiment_very_satisfiedPlatinum

11:16 AM

Chris:

The aerial at the transmitter radiates ALL the channels, there is not a separate aerial for any of the multiplexes. They all use a design known as a trapezoid slot aerial where the signals are radiated from different sections of the slot depending on the frequency. So they are all radiated by all the trapezoid slots and not by separate aerials for each multiplex.

An 8 MHz difference in frequency can make a considerable difference to the transmission and reception of the signals.

Looking at the Digital UK Coverage Checker for your location, see Coverage Checker - Detailed View it shows that reception of COM8 is expected to be poor and unreliable, as it is for other multiplexes from Tacolnston.

Where is your arial positioned? If it is possible, it might be worth trying a different position - on the othert end of the roof perhaps? Such a change has given good results in the past in my experience.



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MikeP's 3,056 posts GB flag
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