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group : uk.tech.broadcast      view archive
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Re: The great switchover deficiency     Thu, 15 Oct 2009 03:07:07 -0700 (PDT)
On 15 Oct, 00:46, MB <M...@invalid.invalid> wrote: > Dychliemore has them on the same small lattice tower. I wonder what filters are on that? If they were originally lazy, and used a single bandpass for the entire group (unlikely), that would be nicely re-broadcasting digital already! I'm guessing they'r ...

Re: The great switchover deficiency     Thu, 15 Oct 2009 06:15:45 +0100
In article <T+uIa7FWFl1KFwKt@marketing1.teknocraft.co.uk>, SpamTrapSeeSig <no-one@nospam.demon.co.uk> wrote: > In article <50aa4e81facharles@charleshope.demon.co.uk>, charles > <charles@charleshope.demon.co.uk> writes > >the system gain is considerable. For most self-helps the output level > >was/is 1v acr ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 23:56:02 +0100
In article <3ef063c5-18ff-44b6-951b-c536c4dfad9d@x37g2000yqj.googlegroups.com>, 2Bdecided wrote: > On 14 Oct, 14:47, NOSPAM <nos...@invalid.invalid> wrote: >> The message >> <4a94f696-8759-4a19-801a-dda2949f0...@a32g2000yqm.googlegroups.com> >> from 2Bdecided <davidrobin...@postmaster.co.uk> contains these words ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 22:31:55 GMT
In article <50aa4e81facharles@charleshope.demon.co.uk>, charles <charles@charleshope.demon.co.uk> writes >the system gain is considerable. For most self-helps the output level >was/is 1v across 75R per channel. they recieve a millivolt if they are >lucky, it is often much less. That's at least a 60dB gain in ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 23:02:34 +0100
In article <iu2EeZD3ck1KFw9k@marketing1.teknocraft.co.uk>, SpamTrapSeeSig <no-one@nospam.demon.co.uk> wrote: > In article <50aa4c8e06charles@charleshope.demon.co.uk>, charles > <charles@charleshope.demon.co.uk> writes > >for the self helps to work there needed to be significant separation > >between the rx ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 21:50:45 GMT
In article <50aa4c8e06charles@charleshope.demon.co.uk>, charles <charles@charleshope.demon.co.uk> writes >for the self helps to work there needed to be significant separation >between the rx & tx aerials; or the other side of a mountain ridge. Isn't a good reflector on the back of a Yagi sufficient for the re ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 07:30:01 -0700 (PDT)
On 14 Oct, 14:47, NOSPAM <nos...@invalid.invalid> wrote: > The message > <4a94f696-8759-4a19-801a-dda2949f0...@a32g2000yqm.googlegroups.com> > from 2Bdecided <davidrobin...@postmaster.co.uk> contains these words: > > > But they wouldn't be "relays" any more - because you can't, on one > > mast, receive a signal ...

Re: The great switchover deficiency     Wed, 14 Oct 2009 02:21:42 -0700 (PDT)
On 14 Oct, 00:21, paulcumm...@cix.compulink.co.uk wrote: > In article > <7a36e196-4642-4788-98db-1b3b73f1a...@a32g2000yqm.googlegroups.com>, > > davidrobin...@postmaster.co.uk (2Bdecided) wrote: > > Could you have all ~1000 carrying six muxes without, or with, the > > sold > > off spectrum? > > Yes, just move ...

Re: The great switchover deficiency     Tue, 13 Oct 2009 18:21:34 -0500
In article <7a36e196-4642-4788-98db-1b3b73f1a392@a32g2000yqm.googlegroups.com>, davidrobinson@postmaster.co.uk (2Bdecided) wrote: > Could you have all ~1000 carrying six muxes without, or with, the > sold > off spectrum? Yes, just move to SFN, and every transmitter can have all six MUXes without any pro ...

ghosting on BBC1 News     Tue, 13 Oct 2009 23:23:32 +0100
Footage of David Cameron speaking on GMTV has been widely used on BBC news programmes today. There is unmistakable ghosting. Does the BBC record analogue ITV off-air? Bill ...


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