You may recall a few months ago that I was having a PITA setting the
digibox up in the new house.

It suddenly just started to work just fine. shrug It's been fine for a
few months now - albeit with bollock-all worth watching on, but I don't
think we can blame the aerial for that...

Over the last month or so, though, one or more of the multiplexes will
break down completely. Initially, the picture will crackle, block-up and
halt briefly. Then the pic goes black, and "No or encrypted signal" pops
up. Usually, it's BBC - all the Beeb channels plus one or two others are
gone, but most of the rest'll be fine.

Eventually, it'll come back. Probably.

Talking to a neighbour, they have similar. "Only ever in winter".

What could it be? Transmission issue? Meteorological?

On 12/11/13 17:25, Adrian wrote:
You may recall a few months ago that I was having a PITA setting the
digibox up in the new house.

It suddenly just started to work just fine. shrug It's been fine for a
few months now - albeit with bollock-all worth watching on, but I don't
think we can blame the aerial for that...

Over the last month or so, though, one or more of the multiplexes will
break down completely. Initially, the picture will crackle, block-up and
halt briefly. Then the pic goes black, and "No or encrypted signal" pops
up. Usually, it's BBC - all the Beeb channels plus one or two others are
gone, but most of the rest'll be fine.

Eventually, it'll come back. Probably.

Talking to a neighbour, they have similar. "Only ever in winter".

What could it be? Transmission issue? Meteorological?




Yes and yes. Tropospheric ducting or something. Tony Sayer will know.


It happens to me occasionally because line of sight to Sudbury if
extended is actually half the Dutch stations as well. Normally I don't
'see them' but bounce of the ionosphere will bring them in, and that's
usually cold nights - just when you want top watch.

It's got better now the final power upgrades at Sudbury are OK but not
totally.

Another possibility is wind farms between you and the transmitter (ore
behind it) . If the wind is blowing these create massive variable
multipath and ****s the signal up completely.

Good article on tropospheric ducting here

http://en.wikipedia.org/wiki/Tropospheric_propagation

Conditions are approaching ideal at the moment.

--
Ineptocracy

(in-ep-toc-ra-cy) €“ a system of government where the least capable to
lead are elected by the least capable of producing, and where the
members of society least likely to sustain themselves or succeed, are
rewarded with goods and services paid for by the confiscated wealth of a
diminishing number of producers.

Adrian wrote:
You may recall a few months ago that I was having a PITA setting the
digibox up in the new house.

It suddenly just started to work just fine. shrug It's been fine for a
few months now - albeit with bollock-all worth watching on, but I don't
think we can blame the aerial for that...

Over the last month or so, though, one or more of the multiplexes will
break down completely. Initially, the picture will crackle, block-up and
halt briefly. Then the pic goes black, and "No or encrypted signal" pops
up. Usually, it's BBC - all the Beeb channels plus one or two others are
gone, but most of the rest'll be fine.

Eventually, it'll come back. Probably.

Talking to a neighbour, they have similar. "Only ever in winter".

What could it be? Transmission issue? Meteorological?

If there's co-channel (or other) interference coming from a direction
where there are trees in the path, reception will probably be worse in
winter. This is not as uncommon as you might think. Less common is the
odd situation where the trees are in the signal path but have a more
deleterious effect when bare of leaves, or when the leaves have thinned
out somewhat.

Bill

In article ,
Adrian writes:
You may recall a few months ago that I was having a PITA setting the
digibox up in the new house.

It suddenly just started to work just fine. shrug It's been fine for a
few months now - albeit with bollock-all worth watching on, but I don't
think we can blame the aerial for that...

Over the last month or so, though, one or more of the multiplexes will
break down completely. Initially, the picture will crackle, block-up and
halt briefly. Then the pic goes black, and "No or encrypted signal" pops
up. Usually, it's BBC - all the Beeb channels plus one or two others are
gone, but most of the rest'll be fine.

Eventually, it'll come back. Probably.

Talking to a neighbour, they have similar. "Only ever in winter".

What could it be? Transmission issue? Meteorological?

4G interference?
There's a website http://www.at800.tv which will apparently send
you a free filter (according to the card they put through my door).

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]

In article , Andrew Gabriel
scribeth thus
In article ,
Adrian writes:
You may recall a few months ago that I was having a PITA setting the
digibox up in the new house.

It suddenly just started to work just fine. shrug It's been fine for a
few months now - albeit with bollock-all worth watching on, but I don't
think we can blame the aerial for that...

Over the last month or so, though, one or more of the multiplexes will
break down completely. Initially, the picture will crackle, block-up and
halt briefly. Then the pic goes black, and "No or encrypted signal" pops
up. Usually, it's BBC - all the Beeb channels plus one or two others are
gone, but most of the rest'll be fine.

Eventually, it'll come back. Probably.

Talking to a neighbour, they have similar. "Only ever in winter".

What could it be? Transmission issue? Meteorological?

4G interference?
There's a website http://www.at800.tv which will apparently send
you a free filter (according to the card they put through my door).


Can you either tell us where you are or the transmitter you use if you
know which one it is...

--
Tony Sayer

On Wed, 13 Nov 2013 17:42:50 +0000, tony sayer wrote:

In article , Andrew Gabriel
scribeth thus
4G interference?
There's a website http://www.at800.tv which will apparently send you a
free filter (according to the card they put through my door).

4G... Hahahahah... We barely get any phone signal. Data is GPRS at best.

(Sorry, Andrew - for some reason I missed your post)

Can you either tell us where you are or the transmitter you use if you
know which one it is...

In the hills near Hay on Wye. The transmitter is Much Marcle.

On 13/11/2013 18:02, Adrian wrote:
On Wed, 13 Nov 2013 17:42:50 +0000, tony sayer wrote:

In article , Andrew Gabriel
scribeth thus
4G interference?
There's a website http://www.at800.tv which will apparently send you a
free filter (according to the card they put through my door).

4G... Hahahahah... We barely get any phone signal. Data is GPRS at best.

(Sorry, Andrew - for some reason I missed your post)

Can you either tell us where you are or the transmitter you use if you
know which one it is...

In the hills near Hay on Wye. The transmitter is Much Marcle.

Hasn't there been threads about this either here or elsewhere maybe
uk.telecom? in the past year about Hay on Wye having specific problems.

Manchester suffers tuning difficulties on lots of TV sets since digital
D-day when they wound the wick up with a strong Welsh transmitter sat in
a sidelobe for aerials pointed at Winter Hill. The real local channels
can easily get consigned to the 800's on older Panasonic sets.

I've never had TDTV drop out without there being a power cut at the
transmitter. DAB radio fails with monotonous regularity and a good
rainstorm in summer when there are leaves on the trees ruins it.

Normally in winter you get better line of sight to transmitters although
if it is ingress of moisture or spiders into cables and connectors then
they are worse in winter.

--
Regards,
Martin Brown

On Wed, 13 Nov 2013 18:15:26 +0000, Martin Brown wrote:

Hasn't there been threads about this either here or elsewhere maybe
uk.telecom? in the past year about Hay on Wye having specific problems.

There was my thread about lack of signal quality when we moved in, over
the summer. Mebbe you half-remembered that?

In article , Adrian
scribeth thus
On Wed, 13 Nov 2013 18:15:26 +0000, Martin Brown wrote:

Hasn't there been threads about this either here or elsewhere maybe
uk.telecom? in the past year about Hay on Wye having specific problems.

There was my thread about lack of signal quality when we moved in, over
the summer. Mebbe you half-remembered that?


Wasn't this where you had an existing aerial on the Ridge Hill TX but
had a local relay that was only the restricted channel set and or only
had the Welsh version of the BBC?..

--
Tony Sayer