SAT-Usenet 26/97

from: owner-sat-usenet@tags1.dn.net
Date: Tue, 3 Jun 1997 13:28:08 -0400 (EDT)
SAT-Usenet 
26/97
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Subject: Re: Thor 2: New SciFi and TV1000Cinema frequencies
From: james@marage.demon.co.uk (James Follett)
Date: Sun, 01 Jun 97 08:17:13 GMT
Message-ID: <865153033snz@marage.demon.co.uk>

In article <ZMEWpKAmJJkzEwnn@airtime.co.uk>
           raymondw@airtime.co.uk "Ray Woodward" writes:

>Thus Thor 2A *can't* operate in the DBS band - it isn't built to.
>Plus the fact that if it did it would interfere  with Thor 1 ...

Hallo, Ray,

Thor 2A -- is this a new satellite or one of the BSB Marco Polos that
was `parked' at 31 degrees west? If the latter, I recall that BSB had
to operate their first satellite on reduced power until both were
operating. They were, of course, limited to five channels in the DBS
band. Both birds were state of the art in their day so I expect they
have TWTs that allow the transponders some flexibility in output
frequencies and/or linearity.

Power is the problem for DBS spotbeam satellites. If I recall, ERPs
in the order of 100W per channel (hence circular polarisation) were
required of BSB plus battery backup for eclipse protection. The IBA spec
was very tight, giving BSB many problems (not least being the only
broadcaster in the world that owned their own satellites) so two
satellites was the answer.

-- 
James Follett -- novelist



Subject: Re: Thor 2: New SciFi and TV1000Cinema frequencies
From: Ray Woodward <raymondw@airtime.co.uk>
Date: Sun, 1 Jun 1997 13:09:42 +0100
Message-ID: <ITciuAAGaWkzEw0Z@airtime.co.uk>

In article <865153033snz@marage.demon.co.uk>, James Follett
<james@marage.demon.co.uk> coments ...

>In article <ZMEWpKAmJJkzEwnn@airtime.co.uk>
>           raymondw@airtime.co.uk "Ray Woodward" writes:
>
>>Thus Thor 2A *can't* operate in the DBS band - it isn't built to.
>>Plus the fact that if it did it would interfere  with Thor 1 ...

>Thor 2A -- is this a new satellite or one of the BSB Marco Polos that
>was `parked' at 31 degrees west? 

Thor 2A is a new satellite launched May 20th and destined for 0.8
degrees west.

It will operate 15 transponders in the FSS band from 11.216 GHz to
11.434 GHz (effectively the same part of the band as Astra 1A).

Last I saw reported it was at 28 west and drifting towards 0.8 west
(arrival due apparently on June 25th).

They've also placed an order for Thor 3 ...

The next 'biggie' for Scandinavia will [of course] be Sirius 2 which is
due to launch later this year to replace TeleX at 5 degrees east - this
will have DBS and FSS capacity [with the DBS directed to Scandinavia and
the FSS being pan European (like Eutelsat)].

 
== 
 
Ray 
 
 
 
   E-mail : raymondw@airtime.co.uk
      WWW : http://www.webcom.com/raymondw/ 


Subject: Re: Eurotica - what has happened to the encryption?
From: glazooh@enterprise.net (Ian Glascodine)
Date: 1 Jun 1997 23:21:00 GMT
Message-ID: <5mt04s$sai$1@news.enterprise.net>

In article <HdPAABAXdYkzEw18@darob.demon.co.uk>, dave@darob.demon.co.uk
says...
>
>In article <3390d862.4655777@news.ti.com>, Graham Shevlin
><GRAH@msg.ti.com> writes
>>On my regular Saturday night sky-surf, I came across Eurotica.
>>But...it's not decoding any more. My TAC/Eurotica card will not even
>>recognise that there is a requirement for a card for the
>>channel.(Usually it throws up the 'incorrect card message if the wrong
>>card is present in the slot). 
>I had exactly the same thing, started Friday night.
>
>Regards
>Dave
>
>
Yes, me too. The LED on my Season interace flickers to show some sign of 
activity being passed into the PC for all channels using Videocrypt, but 
Eurotica has been putting nothing out for 3 days now.
Ian


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