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Re: NASA's American Student Moon Orbiter...



How would my 12 foot paraclips work for this exercise?
73 Bob W7LRD

--
"if this were easy, everyone would be doing it"

-------------- Original message -------------- 
From: "Andrew Glasbrenner" <glasbrenner@mindspring.com> 

> The moon is roughly 360,000 to 400,000 km away. By comparison, AO-40 had a 
> apogee of about 60,000km. At 2.4Ghz, that's about 16db difference each way. 
> Put AO-40 at the moon, and if I'm doing this right, you'd need about 32 
> times the ground station antenna both coming and going to get with a few db. 
> I'm gonna need a bigger rotor for sure! I'm sure smarter folks will check my 
> math.... 
> 
> 73, Drew KO4MA 
> 
> ----- Original Message ----- 
> From: "Joe" 
> To: "Andrew Glasbrenner" 
> Cc: "Trevor" ; "AMSAT BB" 
> Sent: Wednesday, July 02, 2008 6:05 PM 
> Subject: Re: [amsat-bb] Re: NASA's American Student Moon Orbiter... 
> 
> 
> > what would a sample average link budget be? 
> > 
> > Andrew Glasbrenner wrote: 
> > 
> >>As far as I can recall we are pursuing both Eagle and the P4 opportunity 
> >>equally, concentrating on common elements until the details are ironed 
> >>out. Neither has been identified as a primary or secondary objective. 
> >> 
> >>I agree a package on a lunar orbiter would be neat, but also that it is 
> >>not the best use of what volunteers we have. We need more folks to step up 
> >>to do things, AND we need to make better use of them when they do. 
> >> 
> >>73, Drew KO4MA 
> >> 
> >>----- Original Message ----- 
> >>From: "Trevor" 
> >>To: "AMSAT BB" 
> >>Sent: Wednesday, July 02, 2008 4:53 PM 
> >>Subject: [amsat-bb] Re: NASA's American Student Moon Orbiter... 
> >> 
> >> 
> >> 
> >>>--- On Wed, 2/7/08, Dave hartzell wrote: 
> >>> 
> >>>>http://www.spaceref.com/news/viewpr.html?pid=25839 
> >>>>http://asmo.arc.nasa.gov/ 
> >>>> 
> >>>>Wouldn't it be fun to have a transponder on this! ;-) 
> >>>> 
> >>>Fun yes, but dare I say it, a waste of precious Volunteer resources. 
> >>> 
> >>>All lunar orbits are inherently unstable and will impact after a couple 
> >>>of years. The link budget requirements would not attract a mass user 
> >>>base. 
> >>> 
> >>>I suspect the number of Technically Capable volunteers is already being 
> >>>thinly stretched in trying to provide both the primary objective Phase-IV 
> >>>Lite (funded by Federal Government dollars) and the secondary objective 
> >>>the Eagle HEO. 
> >>> 
> >>>73 Trevor M5AKA 
> >>> 
> >>> 
> >>> 
> >>> __________________________________________________________ 
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> >>> 
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> >> 
> >>_______________________________________________ 
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> >> 
> >> 
> >> 
> 
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