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uk.tech.digital-tv (Digital TV - General) (uk.tech.digital-tv) Discussion of all matters technical in origin related to the reception of digital television transmissions, be they via satellite, terrestrial or cable. Advertising is forbidden, with no exceptions.

How we used to build 'em;!..



 
 
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  #21  
Old December 6th 11, 02:02 PM posted to uk.tech.digital-tv
Silk
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Default How we used to build 'em;!..

On 06/12/2011 12:12, Martin wrote:

It's a very interesting film but, don't forget, we manufacture far more
in the UK now than we did in 1959.


Really? I find that hard to believe.


It's true.
  #22  
Old December 6th 11, 02:37 PM posted to uk.tech.digital-tv,uk.tech.broadcast
J G Miller[_3_]
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Default How we used to build 'em;!..

On Tuesday, December 6th, 2011, at 13:30:33h +0000, Peter Duncanson explained:

Yes, and it was "Callender's": British Insulated Callender's Cables.


And today, proudly Italian owned.

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  #23  
Old December 6th 11, 02:40 PM posted to uk.tech.digital-tv
J G Miller[_3_]
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Default How we used to build 'em;!..

On Tuesday, December 6th, 2011, at 15:02:32h +0000, Silk wrote:

It's true.


Because Silk wrote so.

  #24  
Old December 6th 11, 02:51 PM posted to uk.tech.digital-tv,uk.tech.broadcast
MB
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Default How we used to build 'em;!..

On 06/12/2011 13:34, Andy Wade wrote:
On 06/12/2011 10:56, tony sayer wrote:

Anyone spot a bit of discontinuity for a film supposed to depict an
event in 1959 its in the first few minutes...


Yes, there's a UHF aerial - a pair of stacked Yagis with common
reflector, I think - about 18 seconds in. Were there UHF/625 test
transmissions that early? I know the Beeb did quite a lot of propagation
study work in the 50s, but why (what looks like) a UHF TV aerial on a
house chimney? Perhaps the introductory sequence was (re)shot somewhat
later.


Telemetry?


  #25  
Old December 6th 11, 03:02 PM posted to uk.tech.digital-tv,uk.tech.broadcast
SpamTrapSeeSig[_2_]
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Default How we used to build 'em;!..

In article , Andy Wade
writes
Yes, there's a UHF aerial - a pair of stacked Yagis with common
reflector, I think - about 18 seconds in.


Unless I'm mistaken, there's another one too, seen edge-on, right at the
beginning, pointing to the left.
--
SimonM
  #26  
Old December 6th 11, 03:36 PM posted to uk.tech.digital-tv,uk.tech.broadcast
Terry Casey[_2_]
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Default How we used to build 'em;!..

In article ,
says...

On 06/12/2011 10:56, tony sayer wrote:

Anyone spot a bit of discontinuity for a film supposed to depict an
event in 1959 its in the first few minutes...


Yes, there's a UHF aerial - a pair of stacked Yagis with common
reflector, I think - about 18 seconds in. Were there UHF/625 test
transmissions that early? I know the Beeb did quite a lot of
propagation study work in the 50s, but why (what looks like) a UHF TV
aerial on a house chimney? Perhaps the introductory sequence was
(re)shot somewhat later.


It's very obvious that all those shots of various BI and BIII aerials at
the beginning were NOT shot in the Mendlesham coverage area because they
are all vertically polarised, whereas Mendlesham (and Tacolneston before
it) were horizontally polarised.

If those aerials were in the London area, it is, I suppose, just
possible that they found someone with a UHF aerial for the experimental
transmissions from Crystal Palace - assuming, of course, that they'd
started by then [1]. It does look very bright and shiny, so was
obviously very new when the shot was taken. Ch 34 and 44, if I recall
correctly.

Anyway brilliant film, thanks for posting. And I certainly remember
that long hot summer of '59...


Yes, thanks. Excellent! And as for that summer of 1959, my scout troop
went camping on the Norfolk/Suffolk border that year and two things
stick in my mind. One is the adverts for the forthcoming Anglia service
on all the buses and the other was the alien (to me) horizontal BI
aerials which seemed to hang down rather menacingly, I thought, over all
the houses!

[1] They had indeed! I've just come across this:

http://downloads.bbc.co.uk/rd/pubs/reports/1959-25.pdf

which contains the following:

"Long distance propagation tests~ using Band IV frequencies, were
started by the B.B.C. in 1955. These tests have continued over a long
period, using transmitters installed at Pontop Pike~ Holme Moss and
Sutton Coldfield, field strengths of these transmissions being recorded
at various unattended sites at prescribed distances.

In 1956 the first field strength survey of a u.h.f. transmitter in this
country was made using a low-power transmitter operating on 495 Mc/s and
sited at Crystal Palace.

The B.B.C. subsequently installed a high-power u.h.f. transmitter and
associated helical aerial at Crystal Palace in order to carry out a
series of test transmissions ... "

The 1959 tests used Ch. 44 but earlier tests used Ch. 24. My memory of
the use of Ch 34 must be from later on.

--

Terry
  #27  
Old December 6th 11, 04:13 PM posted to uk.tech.digital-tv
Silk
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Default How we used to build 'em;!..

On 06/12/2011 15:40, J G Miller wrote:
On Tuesday, December 6th, 2011, at 15:02:32h +0000, Silk wrote:

It's true.


Because Silk wrote so.

It's true because it is. In fact, the UK produces more cars in a year
now than were produced in the whole world put together in 1959.
  #28  
Old December 6th 11, 04:38 PM posted to uk.tech.digital-tv
Stephen Wolstenholme[_2_]
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Default How we used to build 'em;!..

On Tue, 06 Dec 2011 13:12:03 +0100, Martin wrote:

On Tue, 06 Dec 2011 12:05:16 +0000, Silk wrote:

On 06/12/2011 10:17, stuart wrote:
Thank you for that wonderful film.

It's a shame that, in modern Britain, we'd have to buy one of those
from Korea as our current generation would find it hard to carry out
that sort of engineering equipped with a degree in cake-decorating and
an iPad.


Of course, the things we build in the UK nowadays, such as the world's
largest and most sophisitcated aeroplanes, are a piece of **** in
comparison to sticking a big metal spike in the ground.


UK designs and makes Airbus wings.


It's a very interesting film but, don't forget, we manufacture far more
in the UK now than we did in 1959.


Really? I find that hard to believe.


It's correct and by a large amount but UK manufacturing is now
reducing.

Steve

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  #29  
Old December 6th 11, 04:46 PM posted to uk.tech.digital-tv
J G Miller[_3_]
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Default How we used to build 'em;!..

On Tuesday, December 6th, 2011, at 17:13:33h +0000, Silk explained:

It's true because it is. In fact, the UK produces more cars in a year
now than were produced in the whole world put together in 1959.


Yes but the important thing to define is what you mean by "more".

As you say, "more" in numbers of items for particular types of good,
this is indeed the case thanks to modern automated mass production
techniques.

But not "more" in different types of manufactured goods.
  #30  
Old December 6th 11, 04:50 PM posted to uk.tech.digital-tv
charles
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Default How we used to build 'em;!..

In article ,
Martin wrote:
On Tue, 06 Dec 2011 17:13:33 +0000, Silk wrote:


On 06/12/2011 15:40, J G Miller wrote:
On Tuesday, December 6th, 2011, at 15:02:32h +0000, Silk wrote:

It's true.

Because Silk wrote so.

It's true because it is. In fact, the UK produces more cars in a year
now than were produced in the whole world put together in 1959.


Mainly Japanese assembly jobs?


when I went round the Toyota works nr Derby in the early 90's, most of the
components were UK sourced. I suspect that's still true

--
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Using a RISC OS computer running v5.16

 




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