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Groups > sci.electronics.design > #747799
| From | "Don" <g@crcomp.net> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Ham shack satellite communications |
| Date | 2026-09-16 11:56 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <20260916b@crcomp.net> (permalink) |
| References | <20260914a@crcomp.net> <118c8tk$1mu2k$1@paganini.bofh.team> <20260914b@crcomp.net> <118dhem$36ihg$1@dont-email.me> |
Jan Panteltje <alien@comet.invalid> wrote:
>>"Don" <g@crcomp.net>wrote:
>>>Typo in original post corrected.
>>
>>C??il??n Niocl??s??n Glost??ir <thanks-to@taf.com> wrote:
>>> Don wrote:
>>>>
>>>> It seems best to start with the receiver. Here's one simple receiver
>>>> schematic:
>>>>
>>>> eggbeater antenna -> LNA -> LMR 200 -> RTL-SDR -> FreeBSD
>>>>
>>>> What's your favorite eggbeater and why?
>>>>
>>>> What's your favorite LNA and why?
>>>>
>>>> Thank you in advance.
>>>
>>> Maybe ask persons who use AmSat (an amateur-satellite initiative).
>>
>>Joseph A. DiVerdi [1] hosted a last minute, surprise forum at our
>>Division's Ham Convention [2] last August. He brought along a 3U
>>satellite to show off at his vendor's table.
>> Instead of thrusters, it spins a miniature momentum wheel. A de
>>rigueur RTL-SDR and Raspberry Pi sat next to the satellite on his table.
>> Long story short, an EB144RK2M eggbeater will be used, along with a
>>cheap LNA module from ebay [3]. It ought to be easy enough to replace
>>the original LNA chip, if anyone knows of a superior LNA chip.
>>
>>Note.
>>
>>[1] <https://diverdi.colostate.edu/>
>>[2] <https://wyohamcon.org>
>>[3] <https://www.ebay.com/itm/198551314050?_trksid=p2332490.c101875.m1851>
>
> Nice board, did you test it?
Good idea. It will be tested upon delivery.
Danke,
--
73, Don, WD7Q veritas _|_
liberabit |
https://www.qsl.net/wd7q vos |
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Ham shack satellite communications "Don" <g@crcomp.net> - 2026-09-14 15:14 +0000
Re: Ham shack satellite communications Cóilín Nioclásín Glostéir <thanks-to@Taf.com> - 2026-09-15 20:13 +0000
Re: Ham shack satellite communications "Don" <g@crcomp.net> - 2026-09-15 21:40 +0000
Re: Ham shack satellite communications Jan Panteltje <alien@comet.invalid> - 2026-09-16 07:45 +0000
Re: Ham shack satellite communications "Don" <g@crcomp.net> - 2026-09-16 11:56 +0000
Re: Ham shack satellite communications Don Y <blockedofcourse@foo.invalid> - 2026-09-16 05:54 -0700
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-16 15:37 +0200
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-16 15:42 +0200
Re: Ham shack satellite communications Jan Panteltje <alien@comet.invalid> - 2026-09-16 14:25 +0000
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-16 16:56 +0200
Re: Ham shack satellite communications Jan Panteltje <alien@comet.invalid> - 2026-09-16 17:59 +0000
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-16 20:17 +0200
Re: Ham shack satellite communications john larkin <jl@htigct.com> - 2026-09-16 11:31 -0700
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-16 21:28 +0200
Re: Ham shack satellite communications "Don" <g@crcomp.net> - 2026-09-16 19:57 +0000
Re: Ham shack satellite communications john larkin <jl@htigct.com> - 2026-09-16 13:18 -0700
Re: Ham shack satellite communications Gerhard Hoffmann <dk4xp@arcor.de> - 2026-09-17 00:22 +0200
Re: Ham shack satellite communications Jan Panteltje <alien@comet.invalid> - 2026-09-17 06:12 +0000
Re: Ham shack satellite communications "Don" <g@crcomp.net> - 2026-09-16 14:54 +0000
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