[amsat-bb] Re: IRB's and Satellites.
mat_62 at netcommander.com
Thu Apr 26 16:54:37 PDT 2007
I'm having to sell off my gear because of very little time to operate
and some pressing debts. Are IRB's a possible way for me to make an
occasional sat contact?
Michael , W4HIJ
Tony Langdon wrote:
> At 03:29 AM 4/27/2007, you wrote:
>> Perhaps this is all about goals then ... if your goal is to simply
>> communicate via a satellite, then the remote base concept is perfectly valid
>> and it has been demonstrated that it works.
>> If the goal is to learn how to build a groundstation and then optimize it
>> for use with satellites, then I'm not sure this will do that (unless of
>> course you are the one building the station).
> I think you're right. Goals are where it's at, and being in the
> other VoIP games in town (IRLP, Echolink and friends), I regularly
> encounter the same debate. If my goal is to simply communicate via
> some (at least partly) amateur controlled medium, these modes and
> IRBs are fine, whether I have RF or a PC on my end. OTOH, if my goal
> is to play with RF, investigate propagation and setup a working
> satellite ground station, then it's time to pull out some radio gear,
> antennas and rotators and put them on the air (though for long and
> complicated reasons, I'm also likely to interface that to IRLP or my
> own IRB, because where I have the best space to erect antennas is
> 24km from where I mostly operate).
>> I see it like a calculator and a slide rule ... the calculator works great,
>> you just punch in some numbers and the correct result pops out. But the
>> slide rule allows one to see the underlying mathematics taking shape as it
>> is moved to the same answer.
>> Which way is "better" must be self-determined.
> Exactly, horses for courses. :)
> 73 de VK3JED
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