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New aerials/cables advice please



 
 
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  #31  
Old August 10th 09, 12:02 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Andy Champ[_2_]
external usenet poster
 
Posts: 794
Default New aerials/cables advice please

JoeJoe wrote:

Brick in and out with cavity. No chance of fishing anything... Tried that
before..


Not so. I have an old free-gift tape measure, 1/4" wide. I make a loop
in it, and feed the loop through the 1/2 inch hole I bore in the wall at
the bottom of my cable run. Feed _lots_ of it through, and it spreads
out along the cavity both ways from the hole. To make it clear, _both_
ends of the tape stay in the room.

Adjourn to the loft, and bore another hold near-as-darnnit vertically
above the other hole. Drop an old bath plug chain (the sort that's
balls in a line) down the cavity, with string tied on to it. Feed lots
of string. No, more than that Go down again, and pull out the tape.
9 times out of 10 I have some string in my hand.

The rest I leave as an exercise for the student.

Andy
  #32  
Old August 10th 09, 12:48 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Bill Wright
external usenet poster
 
Posts: 6,542
Default New aerials/cables advice please


"JoeJoe" wrote in message
o.uk...
A diagram of the current setup can be found he
http://tinypic.com/view.php?pic=2lmuv86&s=3


It's a nice tent.

Ok, now I'll be serious. Firstly, ignore everything said by Mr Conor. His
advice is worse than useless. I don't know what motivates him, but
everything he says is wrong. Would anyone like to support me in this?

You aerials appear to be of different groups; one Gp and two Gp A. I must
say that photographs can be deceptive and I could be wrong. But if I'm right
it could explain your poor reception.

I suggest that you proceed as follows:

Install a decent 18 element Group E aerial (not a wideband one) at the top
of a 6ft x 1.25" mast, using a 9" or bigger chimney bracket. A good choice
of aerial is the Blake SR18 Group E. Use a CAI approved cable that has 100
in the number. Run the cable to your nearest TV point. Connect to the
receiver using a 12dB attenuator. Observe the results for a week. If they
are consistently perfect on all channels buy a three way inductive screened
splitter with a loss figure of 7dB (not a satellite splitter with a loss of
9dB) and fit it at that point, and run cables to the other two points. If
the results are imperfect with the attenuator but better or perfect without
it, buy a four output Proception indoor amplifier and fit it at that point.

No matter what, you have to get new cables from the ae to point 2, and from
point 2 to point 1 and from point 2 to point 3. Or you could use a different
configuration, but the essential fact remains: you must run new cables.
Don't waste time re-using old coax.

There's the alternative of using a masthead amp/splitter, but I think you
will risk having too much signal entering the amp that way.

If you decide to follow my suggestions above I can give you part numbers
etc.

Bill


  #33  
Old August 10th 09, 01:10 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Conor[_3_]
external usenet poster
 
Posts: 19
Default New aerials/cables advice please

In article , Bill Wright
says...


Ok, now I'll be serious. Firstly, ignore everything said by Mr Conor. His
advice is worse than useless. I don't know what motivates him, but
everything he says is wrong.


Bull****.

Shall we try "you're a **** stained old ******" for a start?

--
Conor
www.notebooks-r-us.co.uk
I only please one person per day. Today is not your day. Tomorrow isn't
looking good either. - Scott Adams
  #34  
Old August 10th 09, 01:28 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Bill Wright
external usenet poster
 
Posts: 6,542
Default New aerials/cables advice please


"Bill Wright" wrote in message
...
typo correction:
You aerials appear to be of different groups; one Gp B and two Gp A.


Bill


  #35  
Old August 10th 09, 01:51 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Andy Wade
external usenet poster
 
Posts: 445
Default New aerials/cables advice please

Bill Wright wrote:

Firstly, ignore everything said by Mr Conor. His advice is worse than
useless. I don't know what motivates him, but everything he says is
wrong. Would anyone like to support me in this?


I agree 100%.

[...]
There's the alternative of using a masthead amp/splitter, but I think you
will risk having too much signal entering the amp that way.


The Proception proMHD14R (running in Mode 1) is worthy of consideration
here. Being a single-stage amplifier it's pretty bomb-proof in terms of
input level (84 dBuV max i/p) and the modest gain (~4 dB to each o/p)
puts it in the class of 'active splitter' rather than 'booster'.
Powering is 5-12 V, so you can run the whole 4-way system from a
Freeview box or IDTV that will do 5 V on the aerial socket.

--
Andy
  #36  
Old August 10th 09, 03:34 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Bill Wright
external usenet poster
 
Posts: 6,542
Default New aerials/cables advice please


"Andy Wade" wrote in message
...
Bill Wright wrote:

Firstly, ignore everything said by Mr Conor. His advice is worse than
useless. I don't know what motivates him, but everything he says is
wrong. Would anyone like to support me in this?


I agree 100%.

[...] There's the alternative of using a masthead amp/splitter, but I
think you will risk having too much signal entering the amp that way.


The Proception proMHD14R (running in Mode 1) is worthy of consideration
here. Being a single-stage amplifier it's pretty bomb-proof in terms of
input level (84 dBuV max i/p) and the modest gain (~4 dB to each o/p) puts
it in the class of 'active splitter' rather than 'booster'. Powering is
5-12 V, so you can run the whole 4-way system from a Freeview box or IDTV
that will do 5 V on the aerial socket.


I did wonder about mentioning this, but the be honest it all gets too
problematical when the bloke isn't using any sort of meter. My own technique
BTW is to use either a 9B or a 16dB Proception amp plus a two, three, or
four way split (with DC pass). Why? Because I do very few such jobs and I
carry minimum stck types.

Bill


  #37  
Old August 10th 09, 11:18 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Conor[_3_]
external usenet poster
 
Posts: 19
Default New aerials/cables advice please

In article , Bill Wright
says...

I did wonder about mentioning this, but the be honest it all gets too
problematical when the bloke isn't using any sort of meter. My own technique
BTW is to use either a 9B or a 16dB Proception amp plus a two, three, or
four way split (with DC pass). Why? Because I like to overcomplicate
things to look impressive and rip off the customer.


Fixed your post for you.



--
Conor
www.notebooks-r-us.co.uk
I only please one person per day. Today is not your day. Tomorrow isn't
looking good either. - Scott Adams
  #38  
Old August 10th 09, 11:48 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
Bill Wright
external usenet poster
 
Posts: 6,542
Default New aerials/cables advice please


"Conor" wrote in message
...
In article , Bill Wright
says...

I did wonder about mentioning this, but the be honest it all gets too
problematical when the bloke isn't using any sort of meter. My own
technique
BTW is to use either a 9B or a 16dB Proception amp plus a two, three, or
four way split (with DC pass). Why? Because I like to overcomplicate
things to look impressive and rip off the customer.


Fixed your post for you.



--
Conor


Just for the sake of clarity I should point out that Mr Conor has edited and
added to my post. Since the result of this deception is defamatory and could
adversely affect my business I can't just ignore it.

Bill


  #39  
Old August 10th 09, 11:56 AM posted to uk.tech.digital-tv,uk.tech.tv.sky
JoeJoe
external usenet poster
 
Posts: 48
Default New aerials/cables advice please


"Bill Wright" wrote in message
...

"JoeJoe" wrote in message
o.uk...
A diagram of the current setup can be found he
http://tinypic.com/view.php?pic=2lmuv86&s=3


It's a nice tent.

Ok, now I'll be serious. Firstly, ignore everything said by Mr Conor. His
advice is worse than useless. I don't know what motivates him, but
everything he says is wrong. Would anyone like to support me in this?

You aerials appear to be of different groups; one Gp and two Gp A. I must
say that photographs can be deceptive and I could be wrong. But if I'm
right it could explain your poor reception.

I suggest that you proceed as follows:

Install a decent 18 element Group E aerial (not a wideband one) at the top
of a 6ft x 1.25" mast, using a 9" or bigger chimney bracket. A good
choice of aerial is the Blake SR18 Group E. Use a CAI approved cable that
has 100 in the number. Run the cable to your nearest TV point. Connect to
the receiver using a 12dB attenuator. Observe the results for a week. If
they are consistently perfect on all channels buy a three way inductive
screened splitter with a loss figure of 7dB (not a satellite splitter with
a loss of 9dB) and fit it at that point, and run cables to the other two
points. If the results are imperfect with the attenuator but better or
perfect without it, buy a four output Proception indoor amplifier and fit
it at that point.

No matter what, you have to get new cables from the ae to point 2, and
from point 2 to point 1 and from point 2 to point 3. Or you could use a
different configuration, but the essential fact remains: you must run new
cables. Don't waste time re-using old coax.

There's the alternative of using a masthead amp/splitter, but I think you
will risk having too much signal entering the amp that way.

If you decide to follow my suggestions above I can give you part numbers
etc.

Bill


Thanks Bill - just the sort of information that I was looking for!

I will follow your advice - i.e. connect only one point, and then re-assess.

I would really appreciate it if you could give me some pointers/links to
part numbers. If it is not too hard, than a couple of brands for each, just
in case out-of-stock etc.

Would either of these cables be ok?
http://www.tlc-direct.co.uk/Products/CAPF100W.html
http://www.screwfix.com/prods/22591/...3YC4CSTHZOCFEY

Also, I assume that the TV points on the wall need to be terminated in a
coaxial socket rather than f-type on (e.g.
http://www.toolstation.com/shop/Elec...sd2633/p65086).
Is there anything to consider when choosing those?


  #40  
Old August 10th 09, 01:54 PM posted to uk.tech.digital-tv,uk.tech.tv.sky
Paul Ratcliffe
external usenet poster
 
Posts: 2,371
Default New aerials/cables advice please

On Mon, 10 Aug 2009 10:48:29 +0100, Bill Wright
wrote:

"Conor" wrote in message
...
In article , Bill Wright
says...

I did wonder about mentioning this, but the be honest it all gets too
problematical when the bloke isn't using any sort of meter. My own
technique
BTW is to use either a 9B or a 16dB Proception amp plus a two, three, or
four way split (with DC pass). Why? Because I like to overcomplicate
things to look impressive and rip off the customer.


Fixed your post for you.

--
Conor


Just for the sake of clarity I should point out that Mr Conor has edited and
added to my post. Since the result of this deception is defamatory and could
adversely affect my business I can't just ignore it.


Conor Turton is a name I remember from quite some time ago, and not in a
good way. The first post here kind of sums him up:
http://groups.google.co.uk/group/uk....29512e1b1fbfcf

I would guess he's been 'away' for some years for his misbehaviour and has
recently been let out.
In my opinion he's probably flogging knocked off and/or secondhand laptops
and stuff as new to the unsuspecting punter.
He'll hopefully be going 'away' again soon for his illegal, libelous and
defamatory activities.

He's certainly another clueless troll and worthy of killfiling.

Whatever you do people, don't have anything to do with:
Notebooks R Us
Mr Conor Turton
36 Eastfield Road
Driffield
YO25 5EZ

07915 088177 +44 1377 252390
 




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