Dave W wrote:

Does that mean that channels 55 & 56 are only temporary, and when we
have to tune lower down maybe a group 'A' aerial will work again?

I think it means COM7/COM8 might be for the chop eventually (they were
only granted temporary licences to begin with) presumably at that time
hard decisions will have to be taken along the lines of a smaller number
of muxes, switching most of them to DVB-T2 (perhaps leave a single
DVB-T1 mux with all PSB channels?) so most people will throw out old kit.

I believe also that when other channels move they will probably have to move
the channels down again.
I just wonder who signs off on this rubbish. However I'm surprised at that
height that you get no signal at all. I'd wonder if perhaps there is a low
pass filter in use causing this on your feed?
Brian

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"John" wrote in message
...
I dutifully retuned, and was shocked to find a load of channels missing!
Especially annoying was the loss of BBC News HD and BBC Four HD.

As explained elsewhere, two multiplexes have migrated from their Group A
homes to UHF 55 and 56. Given that London has had its channels in Group A
for years and years, there must be a very good reason for shoving them
outside of Group A: money and technical issues.

I live in a Central London tower block and have my own Group A aerial
pointing at Crystal Palace/Croydon at rooftop level and a 70m cable run down
to my living room.

I complained to the Digital TV folk. To my surprise, they are sending
sub-contractors to have a look to see what can be done.

The obvious thing would be to remove the existing Group A aerial and replace
it with a Group W one. However, I worry about its lesser sensitivity at the
Group A end. The rooftop is so high (effectively the 22nd floor) that I
fear interference from Bluebell Hill and Hannington. Is this something that
I ought to fear in the era of DTT? Or could it mean being able to see local
news from different areas?

Is an alternative getting a Group C/D aerial and combining it with the
existing Group A? Advantages/disadvantages?

It seems as though the beneficiaries of the changes are the ones who have to
pay to sort out reception problems like mine. I am surprised that I have
heard no complaints from London friends about the loss of channels. Maybe
they have not noticed yet or they have Sky or cable or never had a Group A
aerial to begin with? I wonder why it was not technically possible to leave
those muxes where they were?

I see from my Humax PVR that it sees no signal whatsoever from 55 or 56 from
the existing Group A. I am not surprised.

I post this to get advice and receive comments, but also to tell you that if
you have been affected by these changes in your area, then so long as you do
not have Sky or cable or some other means of getting the full panoply of
channels, then it appears that the beneficiaries of these changes have to
pay to put people back in the position that they were in to begin with
before the changes.

John

I'd not bank on it, but yes, you are correct. Its only a temp move while
other transmitters are also moved that would otherwise interfere.
I simply cannot understand why this issue was not expected?
Brian

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"Dave W" wrote in message
news
On 30/03/2018 23:13, Andy Burns wrote:
Dave W wrote:

I don't know why they couldn't have put the new
phone allocation at the top of the UHF band instead of the middle

Channels 61 to 69 a the top end have already been given over to 4G, now
they're coming back for a second bite for 5G from 49 to 60, TV has to be
squeezed in 21 to 48.

Does that mean that channels 55 & 56 are only temporary, and when we have
to tune lower down maybe a group 'A' aerial will work again?
--
Dave W

Simon and Garfunkel. the Sound of Silence.


Actually it probably won't be that bad, but I fear the end result is no free
broadcasting, everything pay per view or listen.
Brian

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"Bill Wright" wrote in message
news
On 31/03/2018 00:33, Dave W wrote:
On 30/03/2018 23:13, Andy Burns wrote:
Dave W wrote:

I don't know why they couldn't have put the new
phone allocation at the top of the UHF band instead of the middle

Channels 61 to 69 a the top end have already been given over to 4G, now
they're coming back for a second bite for 5G from 49 to 60, TV has to be
squeezed in 21 to 48.

Does that mean that channels 55 & 56 are only temporary, and when we have
to tune lower down maybe a group 'A' aerial will work again?

They are temporary until after the next but one election, at which point
terrestrial broadcasting will be reduced to one mux carrying the five
basic channels on a national SFN.
Objectors will be hushed and told that since 'everyone' has fast internet
and/or satellite they should use that. Their comments will not be reported
by the mainstream media. Since from 2020 onwards all internet messages
will be scrutinised for hate speech by a robot sensor the only available
medium will be the walls of public lavatories, the graffitists wearing a
balaclava and Corbyn mask. Dissent about the effective end of terrestrial
broadcasting will be classed as hate speech (Public Order Act 2022) and
anyone speaking out of place will be locked up.

Bill

So if they had left them in place, which particular other channels would or
could have been affected by doing so?
Brian

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"Brian Gaff" wrote in message
news
I believe also that when other channels move they will probably have to
move the channels down again.
I just wonder who signs off on this rubbish. However I'm surprised at that
height that you get no signal at all. I'd wonder if perhaps there is a low
pass filter in use causing this on your feed?
Brian

--
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Blind user, so no pictures please!
"John" wrote in message
...
I dutifully retuned, and was shocked to find a load of channels missing!
Especially annoying was the loss of BBC News HD and BBC Four HD.

As explained elsewhere, two multiplexes have migrated from their Group A
homes to UHF 55 and 56. Given that London has had its channels in Group A
for years and years, there must be a very good reason for shoving them
outside of Group A: money and technical issues.

I live in a Central London tower block and have my own Group A aerial
pointing at Crystal Palace/Croydon at rooftop level and a 70m cable run
down to my living room.

I complained to the Digital TV folk. To my surprise, they are sending
sub-contractors to have a look to see what can be done.

The obvious thing would be to remove the existing Group A aerial and
replace it with a Group W one. However, I worry about its lesser
sensitivity at the Group A end. The rooftop is so high (effectively the
22nd floor) that I fear interference from Bluebell Hill and Hannington.
Is this something that I ought to fear in the era of DTT? Or could it mean
being able to see local news from different areas?

Is an alternative getting a Group C/D aerial and combining it with the
existing Group A? Advantages/disadvantages?

It seems as though the beneficiaries of the changes are the ones who have
to pay to sort out reception problems like mine. I am surprised that I
have heard no complaints from London friends about the loss of channels.
Maybe they have not noticed yet or they have Sky or cable or never had a
Group A aerial to begin with? I wonder why it was not technically
possible to leave those muxes where they were?

I see from my Humax PVR that it sees no signal whatsoever from 55 or 56
from the existing Group A. I am not surprised.

I post this to get advice and receive comments, but also to tell you that
if you have been affected by these changes in your area, then so long as
you do not have Sky or cable or some other means of getting the full
panoply of channels, then it appears that the beneficiaries of these
changes have to pay to put people back in the position that they were in
to begin with before the changes.

John

On 30/03/2018 14:36, John wrote:
Especially annoying was the loss of BBC News HD and BBC Four HD.

The latter maybe, but surely not the former ?, especially now that
that female who threw a hissy fit and left, and has grudgingly
come back on a much higher unjustified salary, seems to be a
regular face.

And down here in the hollows of sussex, we have never had
BBC4 in HD from Midhurst. Will we ever ?.

On 30/03/2018 14:36, John wrote:
I wonder why it was not technically possible to leave those muxes where they were?

because the people who watch CBBC and don't pay a license fee are
more highly regarded by the BBC than the people who watch BBC4
(and if not over 75, do pay a license fee tax).

On 30/03/2018 22:26, Dave W wrote:
I got it from a DIY emporium, but looking at it now it seems rubbish

I hear much sucking of air through teeth from the aerial pro's.

On 31/03/2018 10:22, Brian Gaff wrote:
Simon and Garfunkel. the Sound of Silence.


Actually it probably won't be that bad, but I fear the end result is no free
broadcasting, everything pay per view or listen.
Brian


Will we ever have pay-per-comment though ?.

On 31/03/2018 07:32, Scott wrote:
On Fri, 30 Mar 2018 22:26:04 +0100, Dave W
wrote:

I too have lost channels owing to the abandonment of the sensible
grouped channel system. I don't know why they couldn't have put the new
phone allocation at the top of the UHF band instead of the middle, but
maybe the high channels are useful for fill-in transmitters.

My understanding is that they did exactly this by reallocating the top
part of the TV band for telephony. My understanding is that channels
55 and 56 are in the centre of the new 5G band where there is a gap to
keep the transmitted and received mobile signals apart; and that slice
is temporarily used for broadcasting.

Mark can keep us right if necessary.

If there are/will be telephone signals below, as well as above 55/56,
what is the point in all those at800 filters they distributed a few
years ago and that most people will have lost by now?

--
Max Demian