[linux-dvb] Re: Weird DVB-S problem on one site

[Oliver Endriss <o.endriss@gmx.de>]

On Sunday 14 March 2004 20:55, Andrew de Quincey wrote:
> Hmm, I'm having a very odd DVB-S problem on one client site only. The cards 
> are TT DVB-S budget SU1278-TUA5059 cards. I've tested the drivers before I 
> messed with them, but they exhibit the same problems. I've also tested 
> multiple cards, with the same problems.
> 
> The system has one dish pointed at Astra 2 with a Quattro LNB. That is 
> attached to a multiswitch, and the cards are then attached to that. The 
> multiswitch is using non-DISEQC switching (i.e. tone/voltage based).
>...
> All transponders below 11700000 are perfect.
> 
> Transponders above 11700000 have issues as follows:
> ...

11.7 GHz is the border line between low and high band.
A Quattro LNB has 4 dedicated outputs: Low/H, Low/V, High/H, High/V.

As there is no problem with low band, you might want to check the
hardware: High-band cables/connectors from LNB to switch, the LNB,
and the switch itself.

But first I would take the PC with the cards to another site and see
whether the problem persists.

Oliver


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