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Wednesday, 13 February 2013
2:15 PM

Hi, i have a TV with built in freeview and have recently moved from AL9 7AF to SG12 9XL. I have had to retunr my TV as it stated 'no signal'. Now I have very limited channels and unsure why.

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Dee's 1 post GB flag
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Dave Lindsay

2:53 PM

Dee : Some transmitters only carry the Public Service (PSB) channels which means that a small proportion of the population can only receive those channels.

It is down to the fact that the Commercial (COM) networks can pick and choose which sites they wish to transmit from. Being run for profit they pick the most lucrative. See here for an explanation:

Londonderry (Northern Ireland) digital TV transmitter | - 10 years of independent, free digital TV advice

On the basis that you had to retune, we know that the transmitter you are using at your new address is not the same as that at your old one. At your old address it appears you would have been using Crystal Palace whereas a lot of the aerials in your new locality are directed to the Hertford relay transmitter, which is on the Bengeo Water Tower. This is one of the transmitters that only carries PSB channels.

Unless you can receive from a full-service transmitter then you won't be able to receive the Commercial (COM) channels which are those that you are now without.

I looked on Streetview (photos taken before switchover in April 2009) and spotted one Crystal Palace-facing aerial, so you might be in luck, particularly as the signal is now stronger after switchover. It might be worth having a look around to see whether others have Crystal Palace aerials - they will be facing south and horizontal (elements flat).

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Dave Lindsay's 5,724 posts GB flag

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