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Expecting 4G interference? Tests now show that you have a one in 300 chance

Remember the scare stories in the papers? Millions of homes will have problems when 4G starts... Even the Ofcom figures suggested 760,000 homes would have problems. The 4G tests suggest the just 90,000 homes will need to fit a filter.

Remember the scare stories in the papers?  Millions of homes wi
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Looking back the the original posting, Ofcom moves to protect Freeview interference from 4G mobile, we can see the Ofcom suggested that:

Of the 16.3 million UK homes with a standard (unamplified, unshared) Freeview reception, 110,000 (0.67%) would be effected.

Of the 5.2 million homes using communal aerials systems, 550,000 (10.6%) will have problems.

Of the 5.6 million homes using amplified Freeview reception, 100,000 (1.8%) will experience problems.

Today, at800 have published the results of the tests in London, Brighton and Hove and York - at800 updates estimate of likely impact of 4G at 800 MHz on Freeview:

"Following tests conducted across the country, at800, the organisation responsible for protecting Freeview when 4G at 800 MHz is rolled out across the UK, has provided a new estimate of the likely scale of the impact. If national rollout reflects the results seen during its tests, at800 expects no more than 90,000 households, with Freeview as their primary TV service, to experience disruption caused by 4G at 800 MHz. Whatever the level of disruption, at800 is ready to restore Freeview to viewers.

at800 has now sent postcards to households in London and the surrounding areas in preparation for the activation of 4G at 800 MHz masts over the coming weeks and months. at800 is also sending postcards to other areas of the UK ahead of masts switching on. at800’s mailing does not mean that 4G services will be available to consumers. For information about the availability of 4G services, people should contact their mobile operators.

In London, in particular, Freeview received from the Crystal Palace transmitter is unlikely to be affected by mast activation because of the strong terrestrial television signal and its relatively large frequency separation from 4G at 800 MHz. However, at800 is sending postcards and running a publicity campaign to ensure anyone who does experience new disruption to their Freeview service knows how to get in touch."

So with 26.50 million TV households in the UK (see Monthly universe summary - BARB) 90,000 represents 0.340% of them - that's a ONE IN THREE HUNDRED chance.

It seems that you are most likely to need a filter if:

a) you are a long way from a high power Freeview transmitter; and

b) you are very close to a 4G mobile phone mast; and

c) you are using a booster.

That's good news for Freeview viewers.

If you have had a postcode from at800 - see Received a postcard from at800?

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Sunday, 20 October 2013
4:54 PM

anyone else seeing problems on sandy heath bbc1/bbc news (channel 27)? we're in cb5

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tw's 1 post GB flag
4:57 PM

tw: Yes - we have lost all bbc signals from sandy heath, and we live very close to it

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JC's 1 post GB flag
Wednesday, 23 October 2013
9:24 AM
King's Lynn

i recieve my signal for bbc from the belmont transmitter and have lost all bbc freeview channels on both my t/v's please could you tell me why

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colin's 1 post GB flag
colin's: mapC's Freeview map terrainC's terrain plot wavesC's frequency data C's Freeview Detailed Coverage

8:17 PM

colin: Your problem is possibly connected with the engineering work currently being carried out at the Belmont transmitter, as a "liable to interruption" notice was posted on the engineering notice board as starting from Monday 21st.

That said, it would still be advisable to double check on this by making an enquiry with a neighbour to find out if they are being similarly affected.

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jb38's 7,179 posts GB flag
Wednesday, 30 October 2013
2:08 PM

Hi. Get my signal from Rowridge and have lost/unwatchable signal for all BBC channels since last weekend.

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Ian's 1 post US flag
jamie stevens

5:10 PM


Do you have more than one tv connected to the aerial?

If so, are they all having issues?

what is your location?

postcode and street name?


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jamie stevens's 207 posts GB flag
jamie's: mapJ's Freeview map terrainJ's terrain plot wavesJ's frequency data J's Freeview Detailed Coverage
Thursday, 31 October 2013
11:42 AM

We went to Freeview just before digital switchover and we have been having problems ever since. We have two TVs and we have had boosters installed and de-installed by our aerial supplier who has tried all sorts of things. The signal is strong but intermittently it drops out to no signal, the TV freezes or we get interference and this can last for seconds at a time. Sometimes we have given up watching a programme because it is happening so frequently. We are really fed up about this. We use to have cable but can no longer afford it and now we appear to be stuck with this. Both TV's in our house react the same at the same time.

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Linzi's 1 post GB flag

11:49 AM

Linzi: a postcode and type of equipment?

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MikeB's 2,579 posts GB flag
Saturday, 2 November 2013
3:54 PM

I find it quite ironic that the muxes I have been receiving poorer and poorer reception from for the last few weeks (months in come cases - and completely disappearing at times since 28th October!) are the ones with reported interference from 4G when tuned to Crystal Palace; BBCA, BBCB and ArqA!
But yet according to at800 website I live well outside of the interference area but yet I am surrounded by phone masts, from multiple operators on all sides.

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LouiseB's 8 posts GB flag
LouiseB's: mapL's Freeview map terrainL's terrain plot wavesL's frequency data L's Freeview Detailed Coverage
Michelle gass
8:47 PM

Hi, our reception has been breaking up since the storm down south. We live in Ayr, South Ayrshire, any ideas?

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Michelle gass's 1 post GB flag
Michelle's: mapM's Freeview map terrainM's terrain plot wavesM's frequency data M's Freeview Detailed Coverage
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