Wired TV RF distribution question

[tony sayer]

Not as I recall.


SCPD = Studio capital projects department, possibly now part of Siemens.

TCPD = Transmitter capital projects department is now a division in
the Warwick based company called National Grid Wireless, was at Henry
Wood house.

RD = Research Department at Kingswood Warren.
DD = Designs Department at Western House
ED = Equipment Department in Chiswick.

These three merged to form BBC R&D based at Kingswood Warren in Surrey.


There were other sections such as Transmitter group, Engineering
information Department, Communications Department ect.

Much of it merged, such as TCPD and Transmitter group merged to form
BBC Transmission.

Jim

Yes quite...

"Receiver Capital Projects Dept"

Not quite required for a broadcaster;-)...

 

[charles]

tony sayer wrote:

Not as I recall.

SCPD = Studio capital projects department, possibly now part of Siemens.

SCPD was disbanded around 1990. A few of the engineers moved to the user
departments as project engineers. Those user departments are part of BBC
Resources which is in the process of being sold off. Those involved in IT
work did end up with Siemens.

TCPD = Transmitter capital projects department is now a division in the
Warwick based company called National Grid Wireless, was at Henry Wood
house.

RD = Research Department at Kingswood Warren. DD = Designs Department at
Western House ED = Equipment Department in Chiswick.

These three merged to form BBC R&D based at Kingswood Warren in Surrey.

Two stage merger; DD moved (from central London) into part of ED's building
and it all became D&E D, then the &E got dropped, then DD & RD merged.

There were other sections such as Transmitter group, Engineering
information Department, Communications Department ect.

EID merged with Viewer & Listener Correspondence to become Viewer &
Listener Information. Someone on high saw the word "Information" and a
further merger with Libraries took place.

 

[James Edwards hacksaw.com]

tony sayer wrote:

"Receiver Capital Projects Dept"

Not quite required for a broadcaster;-)...

Anything to with the receiver was a EiD matter.

Jim

 

[charles]

tony sayer wrote:

Anything to with the receiver was a EiD matter.

(Capital I, please, EID.)

not when it was a BBC Receiver ;-(

Actually there used to be a part of Equipment Department called "Receiver
Section". It looked after all the sets in senior managements houses. One
of my EID colleagues moved to be head of section in the late 70s.

 

[Mike J]

tony sayer wrote:
..
Yes!!

Radio Capital Projects Department

All renamed from X P&ID = X Planning and Installation Department.

TP&ID/TCPD also dis work for OBs on Vehicles/mastheads and the VERY
illfated C control from Swains Lane

Mike

 

[Alan White]

Yes!!

Radio Capital Projects Department

I don't think so. There was a Radio Projects department, not part of
Engineering Division but part of the Radio Directorate, which wrote the
technical specifications for radio projects which were then issued as
Radio Requirements to the appropriate Capital Projects department for
costing and, if approved, implementation. One that sticks in my mind was
'RR153: Radio Contribution Network', which landed on my desk and stayed
there for about three years while Radio Projects dithered about whether
or not they really wanted it because local radio was being sorted out.

 

[charles]

tony sayer wrote:
.


Radio Capital Projects Department

All renamed from X P&ID = X Planning and Installation Department.

really. SCP&ID became Studio Capital Projects. Sound Sources was one of
the units. Once SCPD was disbanded, some of those people became Radio
Capital Projects.

TP&ID/TCPD also dis work for OBs on Vehicles/mastheads and the VERY
illfated C control from Swains Lane

As did SCPD for TV OBs.

 

[Alan White]

Once SCPD was disbanded, some of those people became Radio
Capital Projects.

Ah, apologies to Mike. That was after my time.

 

[James Edwards hacksaw.com]

(Capital I, please, EID.)

not when it was a BBC Receiver ;-(

Actually there used to be a part of Equipment Department called "Receiver
Section". It looked after all the sets in senior managements houses. One
of my EID colleagues moved to be head of section in the late 70s.

I remember a politician asked about the BBC in parliament as he was suffering
poor reception due to a what he thought was a fault at the local TV relay
and he had complained to the BBC and nothing happened.

The next day some senior managers found out and everybody was duly told off,
and within no time at all, a bunch of senior engineers from every section
involved was sent to deal with problem.


The after effect even had the IBA visiting the relay to check its equipment.


I wonder what would happen today?


Jim

 

[Alan White]

SCP&ID became Studio Capital Projects.

As I remember it, and my seventy year old brain now finds it
increasingly difficult, when I joined P&ID in August 1963 it was
Planning and Installation Department. The next title was Studio Planning
and Installation Department (StuPID) which was very quickly changed to
Studio Capital Projects Department (SCPD). I moved to BBC Scotland in
January 1982 and lost track after that.

There was a Sound Section made up of Sound Sources Unit and Sound
Distribution Unit, in which I worked. When it was decided that sound and
vision Engineers were interchangeable these two units metamorphosed into
Broadcast Systems Unit A, of which I was head when I left, and Broadcast
Systems Unit B.

Sound Distribution Unit was called LF and General Unit when I joined in
'63. What then was the name of the section and the other unit?

 

[Alan White]

really. SCP&ID became Studio Capital Projects. Sound Sources was one of
the units. Once SCPD was disbanded, some of those people became Radio
Capital Projects.

As I remember it, and my seventy year old brain now finds it
increasingly difficult, when I joined P&ID in August 1963 it was
Planning and Installation Department. The next title was Studio Planning
and Installation Department (StuPID) which was very quickly changed to
Studio Capital Projects Department (SCPD). I moved to BBC Scotland in
January 1982 and lost track after that.

There was a Sound Section made up of Sound Sources Unit and Sound
Distribution Unit, in which I worked. When it was decided that sound and
vision Engineers were interchangeable, Television Distribution Unit and
Sound Distribution Unit metamorphosed into Broadcast Systems Unit A, of
which I was head when I left in '82, and Broadcast Systems Unit B.

Sound Distribution Unit was called LF and General Unit when I joined in
'63. What then was the name of the section and the other unit?

 

[Jasen Betts]

Not sure if this is the right forum but here goes....


I need to distribute off-air TV round a client's premises to about 20
outlets as RF
Easy, I get my friendly aerial man to do a distribution amplifier etc.

(I am in the UK and we are talking about PAL system I)

And presumably also UHF.

Client also needs 6 channels of locally sourced video mixed in with the
distribution.
If it was 1 or 2 channels I would just get cheap modulators, choose a
couple of blank channels and mix it in with the off-air feed.
But doing 6 channels worries me.
Do I need to worry about the performance of cheap modulators?
Do I need to worry about intermodulation problems?
What else do I need to worry about?

keep the local modulatiors 30Mhz or more away from any TV signals and
try to get the signal strengths into the same ballpark.

Austar was doing about that many channels with consumer grade
modulatiion equipment. Typical hotel install: 6-12 satellite
decoders mixed in with local UHF TV.

Bye.
Jasen