[amsat-bb] Re: Vanguard 1 Reception?
jeff at mock.com
Wed Dec 19 18:39:52 PST 2007
The Wikipedia article and NASA master catalog say that it was last heard
in May 1964, do you know of a more recent contact? It would be notable
to hear it since its 50-year anniversary in orbit is coming up in a few
Robert Bruninga wrote:
> Anyone with an EME dish that can mount a 108 MHz feed?
> Rumor has it that Vanguard 1 should still be emitting a tiny
> singal on 108.00 MHz since it was directly powered by solar
> cells. It has gotten weaker and weaker over the last 50 years
> using the 1957 solar cell technology, but what the heck. It
> would be a nice challenge for someone with a really big dish..
> Just thought I'd post, since I had not heard of this frequency
> and the fact that it is radiating.. You just have to have good
> ears. And with some of the really good sound-card DSP stuff
> these days, maybe it would show up on a waterfall. The exact
> frequency depends on temperature... But it was at 108.00 MHz
> last time it was heard.
> My dish is kaput right now, so I'm out...
> Bob, WB4APR
>> -----Original Message-----
>> From: GilMoore12 at aol.com [mailto:GilMoore12 at aol.com]
>> Sent: Wednesday, December 19, 2007 8:18 PM
>> To: bruninga at usna.edu
>> Subject: Re: Vanguard 1 information on heavens-above.com
>> O.K., but they'll need lots and lots of gain. Apparently,
>> the signal level is really, really low.
>> I'll also ask Joe Rothenberg at United Space Network if he'll
>> give it a try. He has some really big dishes.
>> See AOL's top rated recipes
>> 04> and easy ways to stay in shape
>> 00000003> for winter.
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