All posts by Chris.SE
Below are all of Chris.SE's postings, with the most recent are at the bottom of the page.
Graham:
As per previous posts here it's "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently which can as you've discovered wipe out your reception. Climate change is likely to mean these sort of events could be more common.
Currently it may continue on and off for a day or two more.
It's best not to retune if you have no signal or badly pixellated signals as this can just clear correct tuning and you have to repeat the retune when conditions stabilise.
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alf hall:
"We" don't do the maintenance as this is an independent help site. That said, Freeview have not currently listed Bilsdale for Planned Engineering.
Your problems are more likely to be "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. Not all multiplexes can/will be affected or at the same time, It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently which can wipe out reception. Climate change is likely to mean these sort of events could be more common.
Currently it may continue on and off for a day or two more.
It's best not to retune if you have no signal or badly pixellated signals as this can just clear correct tuning and you have to repeat the retune when conditions stabilise.
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Dave Bell:
Where did you read "COM7 is no longer used because of the '700 Mhz and 5G'." ?
That information is incorrect.
As per my post on here page 14 on the 28th June, see Rebuilding Freeview High Definition from 2019 onwards | free and easy
COM7 is operational and working at Winter Hill and the other 24 main transmitters that transmit COM7 (subject to any listed Planned Engineering).
As you've mentioned Winter Hill I assume your normal reception is Winter Hill, if not please provide a full postcode.
Any current loss of reception is most likely to be "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently which can as you've discovered wipe out your reception. Climate change is likely to mean these sort of events could be more common.
Currently it may continue on and off for a day or two more.
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Catherine :
Seagry Court is currently listed for Planned Engineering with "Possible service interruptions".
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Paul Denning:
Can't find any listed faults, however there is some "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently which can as you've discovered wipe out your reception.
Currently it may continue on and off for a day or two more.
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Francis Byrne:
Yes it is most likely to be the "Tropospheric Ducting" that's around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently. Climate change is likely to mean these sort of events could be more common.
Currently it may continue on and off for a day or two more.
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Adam Jackson:
Any very recent disruption is more likely to be "Tropospheric Ducting" around causing interference, see Effect of tropospheric ducting on Freeview | RTIS for a simplistic explanation. It can be quite variable, come and go within seconds, minutes or hours. It has been particularly strong recently which can wipe out your reception. Climate change is likely to mean these sort of events could be more common.
Currently it may continue on and off for a day or two more.
I hope you saw my reply to you on the Preseli board which was also when there was "Tropo" around!
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Stephanie Hunter:
You should be able to receive all the Caldbeck multiplexes without any issues.
It might be an idea to first check all you coax plugs, connectors etc. to make sure there aren't any broken connections. Poor connections can affect individual multiplexes and not others (due to something called standing waves - don't worry about the technical detail). You should get BBC Scotland at LCN9 in your EPG.
Really & Pick are on the ArqA/COM5 multiplex at LCNs 17 & 34 in your EPG. Sky Arts is now at LCN11.
For which channels are on which multiplex see Channel listings for Industry Professionals | Freeview
There is the possibility that your TV's tuning section needs clearing, to do this unplug the aerial and carry out an automatic retune which should clear all previous tuning as nothing should be found. Plug the aerial back in and repeat the retune.
If that does not solve the problem, then check in your TV's tuning section which UHF channels for the multiplexes you are tuned to.
For Caldbeck Scotland they should be C27, C24, & C21 for BBCA/PSB1, D3&4/PSB2, & BBCB HD/PSB3.
For the main Caldbeck channels it's C25, C28, C22, C23, C26, C30 for PSBs1-3, COMs4-6 and a Local multiplex on C33 or C29 depending on location.
Also note that Caldbeck is currently listed for Planned Engineering with "Possible service interruptions".
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Tuesday 22 September 2020 12:08AM
All:
Just to add to the above, Mendip is currently listed for Planned Engineering with "Possible weak signal" !