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DAB aerial



 
 
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  #1 (permalink)  
Old January 21st 08, 12:20 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Dave Plowman (News)
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Posts: 5,872
Default DAB aerial

Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?

--
*If only you'd use your powers for good instead of evil.

Dave Plowman London SW
To e-mail, change noise into sound.
  #2 (permalink)  
Old January 21st 08, 12:35 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Don Pearce
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Posts: 1,822
Default DAB aerial

On Mon, 21 Jan 2008 13:20:30 +0000 (GMT), "Dave Plowman (News)"
wrote:

Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?


Do they have splitters to let them share the TV and FM downlead? I
actually get plenty enough DAB signal off the TV aerial to keep my
radio happy, but I might be tempted if I didn't have to install yet
another cable from the roof.

d

--
Pearce Consulting
http://www.pearce.uk.com
  #3 (permalink)  
Old January 21st 08, 12:51 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Dave Plowman (News)
external usenet poster
 
Posts: 5,872
Default DAB aerial

In article ,
Don Pearce wrote:
On Mon, 21 Jan 2008 13:20:30 +0000 (GMT), "Dave Plowman (News)"
wrote:


Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?


Do they have splitters to let them share the TV and FM downlead? I
actually get plenty enough DAB signal off the TV aerial to keep my
radio happy, but I might be tempted if I didn't have to install yet
another cable from the roof.


Not supplied with the kit - but they do stock both F-type or Belling Lee
combiners/splitters for indoor use IIRC.

--
*INDECISION is the key to FLEXIBILITY *

Dave Plowman London SW
To e-mail, change noise into sound.
  #4 (permalink)  
Old January 21st 08, 01:07 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Don Pearce
external usenet poster
 
Posts: 1,822
Default DAB aerial

On Mon, 21 Jan 2008 13:51:44 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Don Pearce wrote:
On Mon, 21 Jan 2008 13:20:30 +0000 (GMT), "Dave Plowman (News)"
wrote:


Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?


Do they have splitters to let them share the TV and FM downlead? I
actually get plenty enough DAB signal off the TV aerial to keep my
radio happy, but I might be tempted if I didn't have to install yet
another cable from the roof.


Not supplied with the kit - but they do stock both F-type or Belling Lee
combiners/splitters for indoor use IIRC.


Ta, I'll pop along to my nearest and see what they have. That'll be a
project for when it is a bit warmer.

d

--
Pearce Consulting
http://www.pearce.uk.com
  #5 (permalink)  
Old January 21st 08, 01:13 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Dave Plowman (News)
external usenet poster
 
Posts: 5,872
Default DAB aerial

In article ,
Don Pearce wrote:
Ta, I'll pop along to my nearest and see what they have. That'll be a
project for when it is a bit warmer.


Can't guarantee all branches have them - or at that price, of course.

--
*Rehab is for quitters.

Dave Plowman London SW
To e-mail, change noise into sound.
  #6 (permalink)  
Old January 21st 08, 05:00 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Don Pearce
external usenet poster
 
Posts: 1,822
Default DAB aerial

On Mon, 21 Jan 2008 14:13:33 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Don Pearce wrote:
Ta, I'll pop along to my nearest and see what they have. That'll be a
project for when it is a bit warmer.


Can't guarantee all branches have them - or at that price, of course.


No problem - got it.

d
--
Pearce Consulting
http://www.pearce.uk.com
  #7 (permalink)  
Old January 21st 08, 12:56 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Graham
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Posts: 1
Default DAB aerial


"Don Pearce" wrote in message
...
On Mon, 21 Jan 2008 13:20:30 +0000 (GMT), "Dave Plowman (News)"
wrote:

Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?


Do they have splitters to let them share the TV and FM downlead? I
actually get plenty enough DAB signal off the TV aerial to keep my
radio happy, but I might be tempted if I didn't have to install yet
another cable from the roof.


You have reminded me that I still have a band III eight element aerial in
the garage. Designed for Croydon ch 9 use. I'll have to have a play with
that sometime.

Graham


  #8 (permalink)  
Old January 21st 08, 01:07 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Don Pearce
external usenet poster
 
Posts: 1,822
Default DAB aerial

On Mon, 21 Jan 2008 13:56:30 -0000, "Graham"
wrote:


"Don Pearce" wrote in message
...
On Mon, 21 Jan 2008 13:20:30 +0000 (GMT), "Dave Plowman (News)"
wrote:

Just come back from my local B&Q by Wandsworth Bridge, and notice they
have DAB aerials in their 'one pound' section.

It's an external mount folded dipole type with F-type connector on the
aerial. Complete with wall mounting and 10m cable.

Not the highest quality I'm sure but maybe the best value anywhere?


Do they have splitters to let them share the TV and FM downlead? I
actually get plenty enough DAB signal off the TV aerial to keep my
radio happy, but I might be tempted if I didn't have to install yet
another cable from the roof.


You have reminded me that I still have a band III eight element aerial in
the garage. Designed for Croydon ch 9 use. I'll have to have a play with
that sometime.

Graham


That should do nicely. I know DAB is supposed to use mulitpath signals
actively, but I did some simulations ages ago, and you still get much
better performance by choosing the nearest transmitter and aiming a
directional antenna at it.

d

--
Pearce Consulting
http://www.pearce.uk.com
  #9 (permalink)  
Old January 21st 08, 06:21 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Mark Carver
external usenet poster
 
Posts: 23
Default DAB aerial

Don Pearce wrote:

That should do nicely. I know DAB is supposed to use mulitpath signals
actively, but I did some simulations ages ago, and you still get much
better performance by choosing the nearest transmitter and aiming a
directional antenna at it.


As an aside. I've always used my vertical Band II (aka FM band) dipole for
DAB, it works very well, pulling in distant muxes from miles away. I lashed up
a properly cut dipole for DAB (225 MHz), and stuck it nearby. It was no better
(or worse) than the Band II.

Of course the Band II dipole is half wave within its band, but full wave(ish)
in the DAB band.

I split the feed passively between my FM tuner in the living room, and DAB
'Midi' system in the kitchen.


--
Mark
Please replace invalid and invalid with gmx and net to reply.
  #10 (permalink)  
Old January 21st 08, 11:54 PM posted to uk.d-i-y,uk.rec.audio,uk.tech.broadcast
Bill Wright
external usenet poster
 
Posts: 25
Default DAB aerial


"Mark Carver" wrote in message
...
As an aside. I've always used my vertical Band II (aka FM band) dipole for
DAB, it works very well, pulling in distant muxes from miles away. I
lashed up a properly cut dipole for DAB (225 MHz), and stuck it nearby. It
was no better (or worse) than the Band II.


In a normal reception area we always use a vertical FM dipole only for
radio, adding it to the system via a 80 to 250MHz filter. There's no problem
with DAB signal strength because the aerial is up on the roof as opposed to
in someone's house (which DAB is designed for) and because the limiting
factor is almost always co-channel signals. If DAB reception is poor (which
normally means the location is officially unserved) we use one of the
European BIII aerial meant for TV. This is because UK DAB aerials cover
channels 5 up and so they are wideband, and have gain of sweet **** all.

Bill


 




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