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Re: Sunsat/Uosat-12 questions



Francisco

SUNSAT is still in the initial test stages. We will supply info as it
becomes available.

73

Hans ZS5AKV

Francisco Costa wrote:

> Hi
>
> Today I got my issue of Oscar News (AMSAT-UK) and among many interesting
> things, the article about Sunsat kept my attention.
> They speak about a "high resolution imager providing 50x50 km coverage
> will operate on real time on S band".
> That will be cool! Any addicional info??? Freq.??? Mode???
>
> Also I'm in the process of building a 2.4GHz antenna,
> to give UoS-12 mode LS a try. For reference I'm using James Miller
> articles describing a 60cm dish and a 16 turn helix.
> But both projects where designed for high apogee downlinks (> 40.000km)
> and now we are dealing with LEO's. I'm sure I don't need all that gain,
> and a few turns less will make the helix easier to aim :)
> Due the lack of information (sat power output, antenna gain, etc.)
> it's not easy find the solution for the problem.
> So, can anyone with better skills than me, please guess the minimum
> requirements to built a S-Mode antenna to receive the new LEO's???
>
> Many thanks in advance!
>
> 73 F.Costa, CT1EAT
>
> P.S. I intend to use it with the Drake modified converter.
>
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