Residents and business are being asked to report the extent to which Freeview services are disrupted.
Around 6, 000 viewers in digital blackspots will get BBC Freeview channels for the first time.
They want to see the freed-up spectrum ring-fenced for High Definition TV on the Freeview platform.
Forty years on it still gives a good picture, albeit with a Freeview box tacked on.
The problem affects only Freeview users, which operates close to the 800MHz frequency 4G services will use.
All Freeview, BT Vision and Top Up TV viewers will need to retune their equipment to regain missing channels.
All Freeview television channels, BBC Radio Bristol's 104.6 FM, national analogue, digital radio channels and mobile networks were affected.
However, around 1% of affected Freeview households will be unable to use them and will be offered an alternative instead.
Filters will be provided for Freeview televisions which experience reception problems following the roll out of 4G later this year.
According to Ofcom, more than one in four of the UK's television sets are now connected to a Freeview box.
Stations south of the border will appear on Channel 8 on Freeview - helping to ensure that they are prominent.
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It has now backed the scheme after extensive research, although no date has been set for BBC Alba's appearance on Freeview.
Windows Media Center handled recording and watching 1080i TV channels (using the terrestrial Freeview HD service in the UK) with no issues.
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According to Freeview, around 20 million households watch TV via its platform.
Probably for you to check out DVDs or OTA Freeview broadcasts courtesy of the built-in DVD player and DVB TV tuner, that's what.
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Some are hopeful it will be appear on Freeview by the time the digital switchover takes place in central Scotland next May and June.
Press 302 on Freeview, satellite or cable for the latest football headlines, 301 for news from all sports and 300 for the main menu.
Further Freeview channels from ITV, Channel 4 and Channel 5 will be available from local transmitters for the first time when the switchover is completed.
Ofcom estimates that the TV viewing in up to 2.3 million British households could be affected by 4G but only 40% of them have Freeview.
Mr Woodward rejected the "doomsday scenario" of thousands of people rushing to buy Freeview boxes for all the sets in their homes at the same time.
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Last month Freeview homes in South Wales had to retune their TVs and boxes following technical changes to a transmitter in order to make way for 4G.
The switchover is happening so that Freeview services can be extended to people who cannot currently get them, including those who receive their signal from a relay transmitter.
It can also be heard on more than 250, 000 DAB digital radio sets, as well as in 1.5 million Freeview homes, three million cable homes and on the internet.
"Without some intervention to allocate additional spectrum it is very unlikely that sufficient HD channels could be launched to ensure that Freeview keeps pace with changing consumer expectations, " she said.
Viewers using Freeview, BT Vision or Top Up TV services had to re-tune their digital TVs or boxes on 10 October, and will have to do so again on Tuesday night.
Although the BBC's radio stations will no longer be broadcast on Freeview once this happens, it is possible that they may return in the future as a result of technological improvements.
Top Up TV, which offers pay channels to Freeview customers through digital terrestrial, should be able to offer Sky Sports 1 and 2 for the first time as a result of the ruling.
Mr Hope told the court that on the day that Aamir was killed he had gone round to Mr Richards' home in North Road to look at his television because Freeview was not working.
However, the alternative to this could have involved the BBC buying capacity on another part of the Freeview system at commercial rates - capacity which might not have been able to reach viewers served by relay transmitters.
Mr Hope told the court that "Jason did the murder", he was a "hothead" and on the day of the killing he had gone round to Mr Richards's home in North Road to look at his television because Freeview was not working.
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