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Subject: Re: HollStar Dishes


Author:
JVT
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Date Posted: 13:48:50 12/28/03 Sun
In reply to: Outsider 's message, "Re: HollStar Dishes" on 08:23:44 12/28/03 Sun
 >>>And the dishes are crap. Steer well clear.
>>
>>Please could you be more specific with you commnets as
>>I too was thinking of buying one of these.
>>
>>My TRIAX 1,1m performed ok except in rain. I decided
>>to up size to a Tursat 130+ (1,3m) which turned out to
>>be a complete waste of money as the LNB mount was not
>>accurately machined enough and I had great difficulty
>>in finding the focal point !
>>
>>Was thinking of an R150 Hollstar but the shipping
>>quoted from Poland to Sweden was very expensive !
>>
>>Any tips or comments on dish aligning would be useful.
>> Thanks.
>>
>>JVT
>
>Is it worth the trouble to order a dish as small as
>1.5m from Poland, e.g. 1.5m Gibertini might be easier
>to get and likely the difference in price isn't so
>huge. I think it was sold at least in Denmark. Expat
>had such a dish, maybe he could give more info about
>price and availability.
>
>Btw, seems Channel Master is back in business again,
>acquired by Andrew Corporation, a heavyweighter in
>professional microwave antennas. But they don't seem
>to have an 1.5m dish and the 1.2m would be only so
>marginally bigger than 1.1m.
>
>I didn't quite understand what do you mean by "LNB
>mount was not accurately machined enough and I had
>great difficulty in finding the focal point". It
>should have only a marginal effect on performance if
>the LNB is in slighly wrong position in up-down or
>right-left direction, the distance from the dish is
>more critical, though.

Hi Outsider,

The Tursat Echo 130+ has two side support arms which are supposed to position the main LNB arm at the focal point. They are positioned at approx 45 deg points on the edge of the dish and meet at a common point on the main LNB support arm. The side support arms, though of equal length seem to displace the main arm such that at what ever axial displacement of the LNB along the main arm, Astra2D can not be picked up. The best I've been able to achieve is with only one side support arm fitted. The side arms do provide a little vertical support for the main arm too so when I remove both the main arm drops a little. From what your suggesting, I'd be better off not having either support arm and concentrate on the axial displacement ? Either way, the problem also is apparent when I try and place the LNB mount where the machined holes are on the main LNB support arm and have tried to move the LNB mount right the way along the main arm but with limited success. My only conclusion is that the machining on the dish is very poor as Astra2A/B come through loud and clear. It's been very frustrating and am about to revert to another 110 TRIAX dish. I have had reports of 24-7 with the CM120 but have been unable to secure one. Tried sourcing a Gibertini dish through Denmark but they pointed me in the direction of Swedish companies who then said they couldn't help so a bit stumpted ! It would be great if TRIAX had a larger dish than 110cm but they've no plans apparently.

If you had any suggestions as to what I'm doing wrong I'd really appreciate it. Thanks.
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Re: HollStar DishesOutsider03:16:07 12/29/03 Mon

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