The map below shows all the transmitters in the UK using C21 once digtial switchover is complete. Please click the icon to see the coverage area, and double click for more information.

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What do the map symbols mean?

COM4/SDN multiplex, COM4/SDN multiplex, COM5/ArqivaA multiplex, COM6/ArqivaB multiplex, PSB1/BBCA multiplex, PSB1/BBCA multiplex, PSB2/Digital 3+4 multiplex, PSB2/Digital 3+4 multiplex, PSB3/BBCB/Freeview HD multiplex, PSB3/BBCB/Freeview HD multiplex, Saorview multiplex 1, Saorview multiplex 1.

Before switchover

Click on a selection to see the use of the frequency use before switchover:

C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 C63 C64 C65 C66 C67 C68

Switchover complete

Click on a selection to see the use of the frequency use when switchover is complete:

C21 C22 C23 C24 C25 C26 C27 C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C61 C62 * * * * * *

Comments

Wednesday, 28 May 2025

Chris.SE

_{sentiment_very_satisfied}Platinum

11:16 PM

Steve Maddox:

Hi. These days, full retunes are generally not a good idea. It is very rare there are any channel changes on the PSB multiplexes, they are usually minor channel changes or additions/removals on the COM multiplexes. These changes usually occur on the 3rd Wednesday of the month.
A number of such minor changes took place on the 21st. Manually tuning of the affected multiplexes is usually the best way.

is currently listed for Planned which can also add additional problems when retuning. Multiplexes may be missing for (usually short) periods of time ().
IF you have TV showing "No Signal" do NOT retune that , the usual result is to clear the correct tuning, you cannot tune to signals that aren't there or cannot be decoded.

First check that the missing HD channels from PSB3/BBCB HD aren't in your LCN 800s in your EPG.
If they are, then is probably best to use the Programme Manager to move them. Or delete them or if they are completely missing, then manually retune the HD multiplex.

Sandy Heath's UHF channels are , , , , , & that's in multiplex order -
BBCA/PSB1, D3&4/PSB2, BBCB HD/PSB3, SDN/COM4, ArqA/COM5, ArqB/COM6
There is a Local multiplex from on but you aren't predicted to get it in your location.
Even with planned engineering, unless a multiplex is briefly off-air, you shouldn't have any problems with .
For a usually up-to-date list of which TV channels are carried on which multiplex, see
https://www.freeview.co.uk/corporate/platform-management/channel-listings-industry-professionals

The recent changes can be found at https://www.freeview.co.uk/help/-alerts/channel-updates-21-may-2025

Now there is one other factor that may be causing problems with your reception, and that's from a new/updated mobile phone now using the band.
You should have had a postcard from Restore TV, there's a least one mast less than 1km from you.
Put your postcode in here - https://restoretv.uk/postcards-not-sure/
Contact them and request a Free Filter. Any such filter should be fitted between the aerial and before any pre=amp/amp/splitter feeding several TVs.

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