Re: Eutelsat 2 - BBC radio problems -- The Astra 2D Forum

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Subject: Re: Eutelsat 2 - BBC radio problems

Author:
Chris Pollard

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Date Posted: 21:51:53 11/29/03 Sat
In reply to: Outsider 's message, "Re: Eutelsat 2 - BBC radio problems" on 13:42:03 11/29/03 Sat

>The problem with dualfeed for Hotbird and Eutelsat W2
>is that correct distance between LNBs e.g. on 85cm
>dish is just around 30mm, the diameter of typical
>feedhorns being some 60mm, it's just impossible to get
>the correct distance between LNBs. For Hotbird/Astra
>19.2 the correct distance would be around 60mm, i.e.
>the LNBs are just side by side. It seems to me that
>either one of the LNBs must be in incorrect place, in
>some direction, unless the dish is essentially larger,
>then the correct distance between LNBs of course
>becomes larger, too.
>
>There has been special LNBs with different type of
>feedhorn for this purpose but I think they are quite
>rare. Of course a motorised system would solve also
>this problem (but create few new of its own).
>
>This will likely not help you but I'm just a bit
>confused how you have actually done it.

Are you taking into account the fact that we are in the middle of the Mediterranean? Most people here have Astra 19 and hotbird but there is a gap between the lnbs. Is a matter of latitude?

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Replies:

Subject	Author	Date
Re: Eutelsat 2 - BBC radio problems SOLVED??	Chris Pollard	03:50:29 11/30/03 Sun

Re: Eutelsat 2 - BBC radio problems	Outsider	06:24:38 11/30/03 Sun