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The Daily Mail does not seem to have not realised that streamed channels lag behind real time!

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MB

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Jan 1, 2020, 3:30:22 AM1/1/20
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Big headline in the online Mail this morning.

"BBC iPlayer viewers are left FUMING as a delay on the channel meant
they missed the New Year's Eve countdown and watched Roman Kemp chatting
to Craig David instead"

Surely they cannot be so stupid to not understand streamed services?


Woody

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Jan 1, 2020, 4:16:45 AM1/1/20
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They don't seem to realise either that even Freeview is about 3-4
seconds late!

--
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harrogate three at ntlworld dot com

Brian Gaff (Sofa 2)

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Jan 1, 2020, 6:44:36 AM1/1/20
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Another cock up was that for the second year running the link to the Big Ben
chimes was not switched on for the bbcs local stations AGAIN, so it was all
a countdown to silence.
Brian

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Brian Gaff (Sofa 2)

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Jan 1, 2020, 6:45:31 AM1/1/20
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Yes if there was a short warning till the end of the world we would never
hear it.
Brian

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Roderick Stewart

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Jan 1, 2020, 7:09:12 AM1/1/20
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Luckily the MSF clock on my living room wall behaved perfectly, and my
computer and smartphone both changed over within a second of the
appointed time. I was watching all of these, fingers poised, in order
to sent Whatsapp messages to all my family with a 0000 timestamp.

A couple of decades ago I was doing the same thing with emails, but
with the additional hurdle that email timestamps show seconds as well
as hours and minutes, and internet access then was via dial-up, and
computers were slower. I recall doing several trial runs sending test
emails to myself to measure the time delay between clicking the
relevant button and the email being timestamped.

I succeeded in getting a lot of zeros in a row, even on the fateful
New Year when the millennium bug was supposed to crash the internet
and cause the end of civilisation as we know it (but didn't), because
on that occasion the internet seemed to be the only communication
system that was actually working. I don't know what television was
doing as I wasn't watching.

Rod.

MB

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Jan 1, 2020, 7:37:00 AM1/1/20
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On 01/01/2020 11:45, Brian Gaff (Sofa 2) wrote:
> Yes if there was a short warning till the end of the world we would never
> hear it.

You think that we would be told?

There is probably some equivalent to 'Inspector Sands' that only a
handful of people know about.

Brian Gaff (Sofa 2)

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Jan 2, 2020, 3:30:15 AM1/2/20
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can you actually say does not seem to have not noticed? That means they have
noticed.
Brian

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Mark Carver

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Jan 2, 2020, 4:05:37 AM1/2/20
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Do you expect the general public to expert on such matters ?  Are you
expert on, say, market gardening ?

Andy Burns

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Jan 2, 2020, 4:10:50 AM1/2/20
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Woody wrote:

> They don't seem to realise either that even Freeview is about 3-4
> seconds late!

R4 on a google nest (which streams it from BBC sounds) is 59 seconds
behind R4 FM.

MB

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Jan 2, 2020, 4:25:30 AM1/2/20
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Most people will at some point had two radio and / or TV sets on and
noticed the time difference.


Mark Carver

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Jan 2, 2020, 4:31:42 AM1/2/20
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I suspect in this particular case, people were in pubs, and 'dialled up'
BBC 1's web-stream to get 'Big Ben' on their phones. They are probably aware
that it wouldn't have been spot on Midnight, normal people really don't
care about 15 seconds or so either way, but probably weren't expecting
it to be 60-90 seconds adrift.


Bill Wright

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Jan 2, 2020, 5:04:16 AM1/2/20
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If I have the workshop radio on LBC DTT and listen on my phone via their
app when I got outside it's almost like two different programmes. You
can't follow what's being said.

Bill

Brian Gaff (Sofa 2)

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Jan 2, 2020, 3:26:33 PM1/2/20
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The bbc have screwed up multi room audio via Amazon alexa, since they have
taken their national networks off tune in unless you pretend to be outside
the UK. This means that when you say Alexa, play bbc radio 2 everywhere, it
only plays it on that device or sometimes will play a completely unrelated
station everywhere.
They have not done it for local radio yet though. Bunch of inept wallies.
I was trying to use their sounds app to get a podcast today on my phone. I
ended up going to the web site directly on my computer instead. it failed to
actually find it but gave me loads of choices similar to, or made
suggestions about we think you might like this. Are they having a laugh?
Brian

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Andy Burns

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Jan 2, 2020, 3:36:38 PM1/2/20
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Brian Gaff wrote:

> The bbc have screwed up multi room audio via Amazon alexa, since they have
> taken their national networks off tune in

The Google nest plays BBC radio streams from Sounds, but it does get LBC
from Tune-in, a few days ago if you asked it to "stream LBC UK" it would
do so and you got the national advert version, now it streams LBC London
version instead.

charles

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Jan 2, 2020, 3:52:35 PM1/2/20
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In article <quljlo$fhs$1...@news.albasani.net>, Brian Gaff \(Sofa 2\)
<bri...@blueyonder.co.uk> wrote:
> The bbc have screwed up multi room audio via Amazon alexa, since they
> have taken their national networks off tune in unless you pretend to be
> outside the UK. This means that when you say Alexa, play bbc radio 2
> everywhere, it only plays it on that device or sometimes will play a
> completely unrelated station everywhere. They have not done it for local
> radio yet though. Bunch of inept wallies.

BBC Radio works perfectly well on BBC Sounds - perhaps it's Amazon that
have done a "stupid".

--
from KT24 in Surrey, England
"I'd rather die of exhaustion than die of boredom" Thomas Carlyle

Bill Taylor

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Jan 2, 2020, 4:25:51 PM1/2/20
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On Thu, 02 Jan 2020 20:47:07 +0000 (GMT), charles
<cha...@candehope.me.uk> wrote:

>In article <quljlo$fhs$1...@news.albasani.net>, Brian Gaff \(Sofa 2\)
><bri...@blueyonder.co.uk> wrote:
>> The bbc have screwed up multi room audio via Amazon alexa, since they
>> have taken their national networks off tune in unless you pretend to be
>> outside the UK. This means that when you say Alexa, play bbc radio 2
>> everywhere, it only plays it on that device or sometimes will play a
>> completely unrelated station everywhere. They have not done it for local
>> radio yet though. Bunch of inept wallies.
>
>BBC Radio works perfectly well on BBC Sounds - perhaps it's Amazon that
>have done a "stupid".

Maybe it's the muti room bit that's the issue. Radio 4 plays fine here
on Amazon Echoes apparently via bbc sounds, but we start them
separately in different rooms and they are always well out of sync.

Rink

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Jan 2, 2020, 5:34:12 PM1/2/20
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Op 2-1-2020 om 10:31 schreef Mark Carver:
When there is a goal in an important football game.
First on analog TV.
Then on digital cable TV.
Then on satellite TV.
Then on IP TV (with different delays)

I saw a goal some 10 seconds later then my neighbours.....

Rink

MB

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Jan 2, 2020, 6:27:34 PM1/2/20
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On 02/01/2020 22:34, Rink wrote:
> When there is a goal in an important football game.
> First on analog TV.
> Then on digital cable TV.
> Then on satellite TV.
> Then on IP TV (with different delays)
>
> I saw a goal some 10 seconds later then my neighbours.....

There can also be differences being different sets. I have two DAB
radios (same manufacturer) and there is a slight timing difference
between them if both are in earshot.

I think I have heard a slight difference between one of the sets when on
VHF FM with an older completely analogue VHF FM radio, I presume the FM
demodulator might have some digital trickery.

Brian Gaff (Sofa 2)

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Jan 3, 2020, 2:39:59 AM1/3/20
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The problem is the skill it uses to do these things and the way the skill
parses the command and relays the extension back to Amazon it seems. Global
player seems to be being used more and more by Amazon for all their stations
with a similar problem. It still works since LBC Classic, and all the others
run by Global have actually not removed tier feeds on a age block format as
the bbc seemingly has.

Brian

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Brian Gaff (Sofa 2)

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Jan 3, 2020, 2:42:46 AM1/3/20
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No have you got more than one echo device? You can group them to named
groups. Unless you say the group name it will only play on the unit you
are on, but since the bbc has removed the stations from third party lists
it cannot now do multi room with no delay unless you can fool it into
having a us or other account in which case Tune in will work.

Brian

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Brian Gaff (Sofa 2)

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Jan 3, 2020, 2:44:19 AM1/3/20
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Yes try Play bbc radio solent everywhere, and you will find them in sync.
That is the point of multi room audio.
Brian

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Graham.

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Jan 5, 2020, 8:52:09 PM1/5/20
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He hasn't done it for a while, but someone should have told Piers
Morgan sooner, that giving a timecheck on TV using hours minutes and
seconds is not a good idea.

--
Graham.

%Profound_observation%

Richmond

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Jan 6, 2020, 8:32:52 AM1/6/20
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What's the point of the 'pips' on digital radio? They are not quite
right. They should send out digital 'pips' a bit earlier. Maybe call
them ePips. I copyright and trademark ePips, here and now.

Max Demian

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Jan 6, 2020, 5:32:46 PM1/6/20
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The delay varies between receivers I understand. Might be even more if
you are listening with Bluetooth headphones or loudspeaker.

--
Max Demian

Bill Wright

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Jan 6, 2020, 8:59:25 PM1/6/20
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On 06/01/2020 13:32, Richmond wrote:
You can get grapes without pips now. It's so good to be alive in this age.

Bill

MB

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Jan 7, 2020, 4:13:59 AM1/7/20
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On 06/01/2020 13:32, Richmond wrote:
I am sure it would be possible to extract a time code from the DAB
signal and generate the pips in the radio but how many people would
replace their existing receivers?

At one time a watch might be the first expensive item a child was given
but many don't see interested in watches and clocks now except as
jewellery and accuracy is not important to them. A few years ago I had
difficulty getting my watch battery replaced to decided to get a decent
self-winding watch but I was appalled at the poor accuracy even though
it was not cheap.

I try to keep my watch accurate to a few seconds and have radio locked
clocks around the house.

I have the display on my Pure Evoke set to turn off after a few seconds
because I had to replace the display a few years ago. But also it is
because its accuracy is very poor when free running. OK once the radio
is switched on



Mark Carver

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Jan 7, 2020, 4:16:55 AM1/7/20
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On 07/01/2020 09:13, MB wrote:
> On 06/01/2020 13:32, Richmond wrote:
>> What's the point of the 'pips' on digital radio? They are not quite
>> right. They should send out digital 'pips' a bit earlier. Maybe call
>> them ePips. I copyright and trademark ePips, here and now.
>
> I am sure it would be possible to extract a time code from the DAB
> signal and generate the pips in the radio but how many people would
> replace their existing receivers?
>
The time code suffers the same delay as the audio though, and is also
subject to the same receiver dependant latency (I think ?)

Dave Liquorice

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Jan 7, 2020, 7:14:01 AM1/7/20
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On Tue, 7 Jan 2020 09:16:54 +0000, Mark Carver wrote:

>>> What's the point of the 'pips' on digital radio? They are not
quite
>>> right. They should send out digital 'pips' a bit earlier. Maybe
call
>>> them ePips. I copyright and trademark ePips, here and now.
>>
>> I am sure it would be possible to extract a time code from the DAB

>> signal and generate the pips in the radio but how many people
would
>> replace their existing receivers?
>
> The time code suffers the same delay as the audio though, and is also
> subject to the same receiver dependant latency (I think ?)

Quite probably and don't forget the variable delays in the
distribution to the transmitters...

--
Cheers
Dave.



Mark Carver

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Jan 7, 2020, 8:49:59 AM1/7/20
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On 07/01/2020 12:14, Dave Liquorice wrote:
> Quite probably and don't forget the variable delays in the
> distribution to the transmitters...
Yes, but that has to be very short, otherwise the SFN wouldn't work

Robin

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Jan 7, 2020, 9:40:45 AM1/7/20
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I'd assumed for SFN the signals were synchronized at the transmitters to
remove any difference from different distribution paths. In fact I
think I read something about how that was to be done for DVB using a GPS
time signal (all of which was way over my head).

--
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reply-to address is (intended to be) valid

MB

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Jan 7, 2020, 12:35:44 PM1/7/20
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On 07/01/2020 13:49, Mark Carver wrote:
Aren't all the BBC services fed by satellite so (if all the same
satellite) then little difference in the path length.

Dave Liquorice

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Jan 7, 2020, 5:12:45 PM1/7/20
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On Tue, 7 Jan 2020 13:49:58 +0000, Mark Carver wrote:

>> Quite probably and don't forget the variable delays in the
>> distribution to the transmitters...
>
> Yes, but that has to be very short, otherwise the SFN wouldn't work

Far more delivery platforms than just DAB though. FM, DTTV, DSAT,
streaming, ... Put in a fudge to get the pips right on one, why just
that one?

--
Cheers
Dave.



John Williamson

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Jan 7, 2020, 5:31:41 PM1/7/20
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If anyone wants an accurate time check now, they pick up their
cellphone, which uses network time. It may be a few milliseconds ff, but
if you are that paranoid, any GPS receiver will give you the corrected
time once it works out where it is, allowing for the signal delay from
orbit.

--
Tciao for Now!

John.

MB

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Jan 7, 2020, 6:41:29 PM1/7/20
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On 07/01/2020 22:31, John Williamson wrote:
> If anyone wants an accurate time check now, they pick up their
> cellphone, which uses network time. It may be a few milliseconds ff, but
> if you are that paranoid, any GPS receiver will give you the corrected
> time once it works out where it is, allowing for the signal delay from
> orbit.

Must admit that I don't think I have ever used the mobile phone to set
the time on my watch. Either VHF FM GTS or one of my MSF/DCF77 clocks.

Paul Ratcliffe

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Jan 7, 2020, 7:01:00 PM1/7/20
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It's not even right on FM any more :-(

Robin

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Jan 8, 2020, 3:30:18 AM1/8/20
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I'm not so sure. At the latitudes of the UK it seems to me North-South
separation of transmitters means significant differences in path length.
That is, significant in terms of a SFN looking for maxim separation of
around 70 km. I couldn't find an online calculator for path length and
my spherical trig perished long ago. But after cribbing from an old NASA
paper[1] I make it 30 km between Sudbury and Tacolneston from a
satellite at 28E.


[1] https://www.ngs.noaa.gov/CORS/Articles/SolerEisemannJSE.pdf

Mark Carver

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Jan 8, 2020, 6:11:33 AM1/8/20
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On 07/01/2020 17:35, MB wrote:
They are, so as you say, little difference in timing, which is indeed
mopped up by each Tx being GPS locked

Stephen Wolstenholme

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Jan 8, 2020, 6:13:58 AM1/8/20
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On Tue, 7 Jan 2020 22:31:40 +0000, John Williamson
<johnwil...@btinternet.com> wrote:

>If anyone wants an accurate time check now, they pick up their
>cellphone, which uses network time.

I haven't got a cellphone.

Steve

--
http://www.npsnn.com

Mark Carver

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Jan 8, 2020, 6:14:01 AM1/8/20
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On 07/01/2020 23:40, Paul Ratcliffe wrote:
>
> It's not even right on FM any more :-(
No, about 80-100 ms slow ?

Gap in the market (now that MSF/DCF reception can be so flakey) is for a
domestic clock that takes a sniff of an ntp server via your WiFi network ?

Mark Carver

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Jan 8, 2020, 6:15:51 AM1/8/20
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On 08/01/2020 11:13, Stephen Wolstenholme wrote:
> On Tue, 7 Jan 2020 22:31:40 +0000, John Williamson
> <johnwil...@btinternet.com> wrote:
>
>> If anyone wants an accurate time check now, they pick up their
>> cellphone, which uses network time.
> I haven't got a cellphone.
>
>
Then you probably don't have the lifestyle that requires you to know the
time to millisecond accuracy !

MB

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Jan 8, 2020, 7:26:41 AM1/8/20
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On 08/01/2020 11:13, Mark Carver wrote:
> Gap in the market (now that MSF/DCF reception can be so flakey) is for a
> domestic clock that takes a sniff of an ntp server via your WiFi network ?

Not noticed any problem with either? MSF certainly worked far better
when it moved (years ago) to a more central location.

st...@swingnn.com

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Jan 8, 2020, 9:36:14 AM1/8/20
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I can't think of anything that requires millisecond accuracy.

Steve
--
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Mark Carver

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Jan 8, 2020, 11:25:50 AM1/8/20
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For you, great, for anyone in SE England, not so good.

Max Demian

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Jan 8, 2020, 12:53:46 PM1/8/20
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On 08/01/2020 12:26, MB wrote:
During the summer they turned it off from 8am to 6pm for several
consecutive days, meaning it didn't reset a clock after changing the
batteries: https://www.npl.co.uk/msf-signal

--
Max Demian

charles

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Jan 8, 2020, 1:27:27 PM1/8/20
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In article <PoednboxnOi0iovD...@brightview.co.uk>,
Probably so that people could work on the masts.

MB

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Jan 8, 2020, 1:41:46 PM1/8/20
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They have always had a maintenance break for MSF (DCF77 has a second
reserve transmitter site so no break.

People tend to think the radio controlled clocks are continuously
synchronised to the MSF or DCF77 but most clocks only wake up once a day
to set themselves then go back to sleep. So the clocks operate as normal.



Bill Wright

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Jan 8, 2020, 3:55:41 PM1/8/20
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On 08/01/2020 11:13, Stephen Wolstenholme wrote:

>
> I haven't got a cellphone.
>
> Steve
>

Nor has my dog or the grandchildren aged 6 or less. So you are in good
company.

Bill

Bill Wright

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Jan 8, 2020, 3:57:33 PM1/8/20
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My brother-in-law doesn't have a cellphone. He has an extraordinarily
relaxed lifestyle.

Bill

Ashley Booth

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Jan 9, 2020, 4:44:47 AM1/9/20
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I'm building one to modify a gps clock that has poor reception.

https://www.epemag3.com/proj/0419.html

--

Mark Carver

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Jan 9, 2020, 6:29:59 AM1/9/20
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On 09/01/2020 09:44, Ashley Booth wrote:
> Gap in the market (now that MSF/DCF reception can be so flakey) is
>> for a domestic clock that takes a sniff of an ntp server via your
>> WiFi network ?
> I'm building one to modify a gps clock that has poor reception.
>
> https://www.epemag3.com/proj/0419.html
>
Excellent !!!

Roderick Stewart

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Jan 9, 2020, 6:45:30 AM1/9/20
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On Wed, 8 Jan 2020 18:41:39 +0000, MB <M...@nospam.net> wrote:

>People tend to think the radio controlled clocks are continuously
>synchronised to the MSF or DCF77 but most clocks only wake up once a day
>to set themselves then go back to sleep. So the clocks operate as normal.

It's still better than being corrected only twice a year like all the
other household clocks.

Rod.

Terry Casey

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Jan 11, 2020, 1:02:34 PM1/11/20
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In article <32qb1ft3m1eev8p9q...@4ax.com>,
st...@swingnn.com says...
>
> I can't think of anything that requires millisecond accuracy.
>

You've obviously never heard of (or used) a Sat Nav then ...

--

Terry

When all else fails, read the instructions.

John Williamson

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Jan 11, 2020, 3:30:12 PM1/11/20
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On 11/01/2020 18:02, Terry Casey wrote:
> In article <32qb1ft3m1eev8p9q...@4ax.com>,
> st...@swingnn.com says...
>>
>> I can't think of anything that requires millisecond accuracy.
>>
>
> You've obviously never heard of (or used) a Sat Nav then ...
>
To be fair, in my day to day life, I hardly ever need to know the time
more accurately than to within a minute or two, even though the GPS
chipset in my phone needs to know the relative time of two received time
marker signals to within a microsecond or less. (The time it takes the
signals to travel a few metres in air, though it often gets it right to
within a time delay of a metre or less.)

When I am not at work, then all I need to know is whether the shops are
open.

charles

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Jan 11, 2020, 3:52:45 PM1/11/20
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In article <h7upij...@mid.individual.net>,
I often need to know about catching a train, so minute accuracy is useful.

Stephen Wolstenholme

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Jan 11, 2020, 5:32:33 PM1/11/20
to
On Sat, 11 Jan 2020 18:02:33 -0000, Terry Casey
<k.t...@example.invalid> wrote:

>In article <32qb1ft3m1eev8p9q...@4ax.com>,
>st...@swingnn.com says...
>>
>> I can't think of anything that requires millisecond accuracy.
>>
>
>You've obviously never heard of (or used) a Sat Nav then ...

I have never needed one

Steve

--
http://www.npsnn.com

Mark Carver

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Jan 12, 2020, 2:44:41 PM1/12/20
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On 11/01/2020 20:43, charles wrote:
> I often need to know about catching a train, so minute accuracy is useful.

An annoying thing about Waterloo station is the lack of large HH:MM:SS
clocks on the concourse,
and in that access tunnel under the platforms, that allow you to by-pass
the concourse when coming from/to the tube lines.

tony sayer

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Jan 13, 2020, 6:36:06 AM1/13/20
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In article <582f3d82...@candehope.me.uk>, charles
<cha...@candehope.me.uk> scribeth thus
>In article <PoednboxnOi0iovD...@brightview.co.uk>,
> Max Demian <max_d...@bigfoot.com> wrote:
>> On 08/01/2020 12:26, MB wrote:
>> > On 08/01/2020 11:13, Mark Carver wrote:
>> >> Gap in the market (now that MSF/DCF reception can be so flakey) is for
>> >> a domestic clock that takes a sniff of an ntp server via your WiFi
>> >> network ?
>> >
>> > Not noticed any problem with either? MSF certainly worked far better
>> > when it moved (years ago) to a more central location.
>
>> During the summer they turned it off from 8am to 6pm for several
>> consecutive days, meaning it didn't reset a clock after changing the
>> batteries: https://www.npl.co.uk/msf-signal
>
>Probably so that people could work on the masts.
>

Why does that system need so much maintenance?..

--
Tony Sayer


Man is least himself when he talks in his own person.

Give him a keyboard, and he will reveal himself.


MB

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Jan 13, 2020, 8:05:45 AM1/13/20
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On 13/01/2020 11:28, tony sayer wrote:
> Why does that system need so much maintenance?..

I think it is the mast maintenance just as is done with BBC sites.
Inspection of everything, stay greasing, painting etc.

Isn't there a shorter break about once a month which will be to allow
any work on the transmitter etc.

charles

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Jan 13, 2020, 9:07:47 AM1/13/20
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In article <GLTC8jCr...@bancom.co.uk>,
tony sayer <to...@bancom.co.uk> wrote:
> In article <582f3d82...@candehope.me.uk>, charles
> <cha...@candehope.me.uk> scribeth thus
> >In article <PoednboxnOi0iovD...@brightview.co.uk>,
> > Max Demian <max_d...@bigfoot.com> wrote:
> >> On 08/01/2020 12:26, MB wrote:
> >> > On 08/01/2020 11:13, Mark Carver wrote:
> >> >> Gap in the market (now that MSF/DCF reception can be so flakey) is for
> >> >> a domestic clock that takes a sniff of an ntp server via your WiFi
> >> >> network ?
> >> >
> >> > Not noticed any problem with either? MSF certainly worked far better
> >> > when it moved (years ago) to a more central location.
> >
> >> During the summer they turned it off from 8am to 6pm for several
> >> consecutive days, meaning it didn't reset a clock after changing the
> >> batteries: https://www.npl.co.uk/msf-signal
> >
> >Probably so that people could work on the masts.
> >

> Why does that system need so much maintenance?..

the British weather.

Max Demian

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Jan 13, 2020, 1:51:25 PM1/13/20
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On 08/01/2020 18:27, charles wrote:
> In article <PoednboxnOi0iovD...@brightview.co.uk>,
> Max Demian <max_d...@bigfoot.com> wrote:
>> On 08/01/2020 12:26, MB wrote:
>>> On 08/01/2020 11:13, Mark Carver wrote:
>>>> Gap in the market (now that MSF/DCF reception can be so flakey) is for
>>>> a domestic clock that takes a sniff of an ntp server via your WiFi
>>>> network ?
>>>
>>> Not noticed any problem with either? MSF certainly worked far better
>>> when it moved (years ago) to a more central location.
>
>> During the summer they turned it off from 8am to 6pm for several
>> consecutive days, meaning it didn't reset a clock after changing the
>> batteries: https://www.npl.co.uk/msf-signal
>
> Probably so that people could work on the masts.

How do they manage with masts that broadcast programmes? They don't go
off during the day for weeks on end. Most of them are on 24 hours
nowadays. Do they not realise that people will be replacing batteries
and setting up new clocks and timeswitches and probably won't realise
why they aren't working? (It'll be buried somewhere in the instructions
I expect.)

--
Max Demian

MB

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Jan 13, 2020, 4:37:00 PM1/13/20
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On 13/01/2020 18:51, Max Demian wrote:
>
> How do they manage with masts that broadcast programmes? They don't go
> off during the day for weeks on end. Most of them are on 24 hours
> nowadays. Do they not realise that people will be replacing batteries
> and setting up new clocks and timeswitches and probably won't realise
> why they aren't working? (It'll be buried somewhere in the instructions
> I expect.)

Some years ago Droitwich was off for a long period so they transferred
to a temporary site some distance away.

Some of the other large transmitter sites have reserve antenna that can
be used.

People can retune to VHF FM or DAB except for a few periods when Long
Wave carries different programme so they can do the work outside those
times.

A handful of people might get caught out changing their battery etc but
it is not the end of the world.

Mark Carver

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Jan 14, 2020, 3:37:34 AM1/14/20
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On 13/01/2020 21:36, MB wrote:
>
> Some years ago Droitwich was off for a long period so they transferred
> to a temporary site some distance away.

LW wasn't backed up, it was only the MW services from a site somewhere
near Kenilworth

Mark Carver

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Jan 14, 2020, 3:39:00 AM1/14/20
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MB

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Jan 14, 2020, 6:04:32 AM1/14/20
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On 14/01/2020 08:38, Mark Carver wrote:
> Here we are, Chase Farm
>
> http://tx.mb21.co.uk/gallery/gallerypage.php?txid=2080

Presumably because the commercial stations can afford to have clauses in
their contracts to guarantee a higher level of resilience, it would be
too expensive for the BBC to have the same for Radio 4 Long Wave.

Mark Carver

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Jan 14, 2020, 6:17:30 AM1/14/20
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It backed up Radio 5 MW as well, but I imagine rigging an LF antenna
system would have been quite large and therefore expensive

Probably the absence of any effort to back up R4 LW tells us all we need
to know about listener levels !

Adrian Tuddenham

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Jan 14, 2020, 3:54:05 PM1/14/20
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...or the BBC's attitude to them.


--
~ Adrian Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk

MB

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Jan 14, 2020, 4:14:34 PM1/14/20
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On 14/01/2020 20:52, Adrian Tuddenham wrote:
>> On 14/01/2020 11:04, MB wrote:
>>> On 14/01/2020 08:38, Mark Carver wrote:
>>>> Here we are, Chase Farm
>>>>
>>>> http://tx.mb21.co.uk/gallery/gallerypage.php?txid=2080
>>> Presumably because the commercial stations can afford to have clauses
>>> in their contracts to guarantee a higher level of resilience, it would
>>> be too expensive for the BBC to have the same for Radio 4 Long Wave.
>> It backed up Radio 5 MW as well, but I imagine rigging an LF antenna
>> system would have been quite large and therefore expensive
>>
>> Probably the absence of any effort to back up R4 LW tells us all we need
>> to know about listener levels !
> ...or the BBC's attitude to them.

I think it is more a matter of you get what you pay for. Commercial
stations can afford more.

tony sayer

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Jan 14, 2020, 5:16:56 PM1/14/20
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In article <h85d12...@mid.individual.net>, Mark Carver
<mark....@invalid.invalid> scribeth thus
Bloody hell all that cable and those Genny's, Pikey's delight:!..

tony sayer

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Jan 14, 2020, 5:16:56 PM1/14/20
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In article <qvhpv2$t9h$1...@dont-email.me>, MB <M...@nospam.net> scribeth
thus
Surely not stay greasing and mast painting?...

tony sayer

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Jan 14, 2020, 5:16:56 PM1/14/20
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In article <5831b7df...@candehope.me.uk>, charles
<cha...@candehope.me.uk> scribeth thus
>In article <GLTC8jCr...@bancom.co.uk>,
> tony sayer <to...@bancom.co.uk> wrote:
>> In article <582f3d82...@candehope.me.uk>, charles
>> <cha...@candehope.me.uk> scribeth thus
>> >In article <PoednboxnOi0iovD...@brightview.co.uk>,
>> > Max Demian <max_d...@bigfoot.com> wrote:
>> >> On 08/01/2020 12:26, MB wrote:
>> >> > On 08/01/2020 11:13, Mark Carver wrote:
>> >> >> Gap in the market (now that MSF/DCF reception can be so flakey) is for
>> >> >> a domestic clock that takes a sniff of an ntp server via your WiFi
>> >> >> network ?
>> >> >
>> >> > Not noticed any problem with either? MSF certainly worked far better
>> >> > when it moved (years ago) to a more central location.
>> >
>> >> During the summer they turned it off from 8am to 6pm for several
>> >> consecutive days, meaning it didn't reset a clock after changing the
>> >> batteries: https://www.npl.co.uk/msf-signal
>> >
>> >Probably so that people could work on the masts.
>> >
>
>> Why does that system need so much maintenance?..
>
>the British weather.
>

Apart from its I believe a mast radiator in what way is that affected
Charles?..

charles

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Jan 14, 2020, 5:41:53 PM1/14/20
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In article <dct0ZIFQ...@bancom.co.uk>,
tony sayer <to...@bancom.co.uk> wrote:
> In article <5831b7df...@candehope.me.uk>, charles
> <cha...@candehope.me.uk> scribeth thus
> >In article <GLTC8jCr...@bancom.co.uk>,
> > tony sayer <to...@bancom.co.uk> wrote:
> >> In article <582f3d82...@candehope.me.uk>, charles
> >> <cha...@candehope.me.uk> scribeth thus
> >> >In article <PoednboxnOi0iovD...@brightview.co.uk>,
> >> > Max Demian <max_d...@bigfoot.com> wrote:
> >> >> On 08/01/2020 12:26, MB wrote:
> >> >> > On 08/01/2020 11:13, Mark Carver wrote:
> >> >> >> Gap in the market (now that MSF/DCF reception can be so flakey) is for
> >> >> >> a domestic clock that takes a sniff of an ntp server via your WiFi
> >> >> >> network ?
> >> >> >
> >> >> > Not noticed any problem with either? MSF certainly worked far better
> >> >> > when it moved (years ago) to a more central location.
> >> >
> >> >> During the summer they turned it off from 8am to 6pm for several
> >> >> consecutive days, meaning it didn't reset a clock after changing the
> >> >> batteries: https://www.npl.co.uk/msf-signal
> >> >
> >> >Probably so that people could work on the masts.
> >> >
> >
> >> Why does that system need so much maintenance?..
> >
> >the British weather.
> >

> Apart from its I believe a mast radiator in what way is that affected
> Charles?..

I have never visited the site, Rugby had, ISTR 6 masts.

MB

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Jan 15, 2020, 5:37:42 AM1/15/20
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On 14/01/2020 22:09, tony sayer wrote:
> Apart from its I believe a mast radiator in what way is that affected
> Charles?..

I think you had to stand out in all weathers 24/7 you would be affected
by the weather - especially if you were several hundred feet tall.
There will be regular lightning discharges through it so all the
protection has to be checked.

There will various legalities too i.e. if there is any sort of
"incident" involving the mast then the first questions will be when it
was last inspected and maintained.

tony sayer

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Jan 15, 2020, 7:52:18 AM1/15/20
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In article <qvmq1e$i5m$1...@dont-email.me>, MB <M...@nospam.net> scribeth
thus
OK but what about such mast as say Sandy Heath how often are the stays
greased and or inspected? Seeings that you can only look the outside of
them unless they have a travelling the stay wire X Ray machine?.

How often is that done?

And as to the earth bonding looks very substantial so after a lightning
strike, even if its noticed middle of the night etc, what do they do
undo it all?

And I am quite tall 2 metres and are out in rough weather but I don't
get "inspected" all that often mores the pity;)..

Bill Wright

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Jan 15, 2020, 2:45:26 PM1/15/20
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On 14/01/2020 08:38, Mark Carver wrote:
That took you one minute Mark!

Bill
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