[amsat-bb] Is This AMSAT's Future?

[W3AB/GEO]

Bob,

A good place, IMHO, to start would be to procure the International Microwave Handbook,Second Edition. Published by RSGB and ARRL, Edited by Andy Barter, G8ATD.




⁣___
Sent from my two way wrist watch
73 de W3AB/GEO​

On Jul 22, 2020, 12:31, at 12:31, Bob Hammond via AMSAT-BB <amsat-bb at amsat.org> wrote:
>I'd like to learn more about microwave ham radio.
>
>Bob W7OTJ
>
>On Wed, Jul 22, 2020 at 10:30 AM W3AB/GEO via AMSAT-BB
><amsat-bb at amsat.org>
>wrote:
>
>> Exactomento Zach. I'm a member of a local m/wave club and costs don't
>seem
>> to be a detriment to getting on the air. Lots & lots of cheap
>commercial
>> gear is available. A soldering iron & some parts tweaking & you've
>got a
>> m/wave station.
>>
>> ⁣___
>> Sent from my two way wrist watch
>> 73 de W3AB/GEO​
>>
>> On Jul 22, 2020, 06:51, at 06:51, Zach Metzinger via AMSAT-BB <
>> amsat-bb at amsat.org> wrote:
>> >On 07/22/20 02:23, Clint Bradford via AMSAT-BB wrote:
>> >>>> This could very well be. Tech changes over time. IMHO, Hams need
>to
>> >change over time to keep the hobby viable.
>> >>
>> >> That required station is quite a jump from enjoying LEOs - and
>> >getting involved in satellite communications for well under $200,
>> >though.
>> >
>> >There will always be some cost to this hobby, part of which can be
>> >mitigated by more home-brewing of equipment. However, if one doesn't
>> >want scratch-build the entire system, there are rather inexpensive
>> >solutions from commercial components.
>> >
>> >OZ1BXM has an overview of the 13cm (2.4 GHz) uplink / 3cm (10 GHz)
>> >downlink system here:
>> >
>> >https://oz1bxm.dk/sat/QO100-rig.html
>> >
>> >Seems like the receive chain is quite simple and cheap. I recently
>> >acquired a 10 GHz LNB, new in a box, from eBay for $20. The RTL-SDR
>is
>> >about another $20, and a bias-tee is probably $10, if one can't
>cobble
>> >it together from the junk bin.
>> >
>> >The transmit path requires a 2.4 GHz radio or converter, which is
>> >likely
>> >the most expensive part of the whole system.
>> >
>> >One could argue that this setup pushes new operators toward learning
>to
>> >
>> >track and listen before trying to transmit. This is probably a good
>> >thing.
>> >
>> >The 10 GHz information will be useful for GOLF-1's microwave
>> >capabilities.
>> >
>> >--- Zach
>> >N0ZGO
>> >_______________________________________________
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>Opinions
>> expressed
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>_______________________________________________
>Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>to all interested persons worldwide without requiring membership.
>Opinions expressed
>are solely those of the author, and do not reflect the official views
>of AMSAT-NA.
>Not an AMSAT-NA member? Join now to support the amateur satellite
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