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Re: [Discuss-gnuradio] NanoSail-D turns out isn't lost!


From: Alexandru Csete
Subject: Re: [Discuss-gnuradio] NanoSail-D turns out isn't lost!
Date: Sat, 22 Jan 2011 20:28:05 +0100

On Sat, Jan 22, 2011 at 7:54 PM, Marcus D. Leech <address@hidden> wrote:
>> Hi Alex /Marcus & All
>>
>> I have exactly the same result as Alexandur (not only once)
>> I guess we used almost the same RCP antenna
>> http://www.poes-weather.com/~patrik/AO-51/
>>
>> Yesterday nite NanoSail passed FI at zenith, I could not hear anything
>> from it (once the signal jumped but staid only for < 2 sec so I'm not sure
>> what it was).
>> I thought, my system is erroneous?  I cross checked against ECHO(AO-51)
>> today and it seems to work
>> http://www.poes-weather.com/~patrik/AO-51/Jan-22-2011/
>> I retried on NanoSail this evning (68 deg max elev) using the new keps
>> published on the NASA page but nothing, nada.
>>
>> Sumthing is fundamentally wrong how I/we do it. I guess it could be LHCP?
>> Perhaps someone (who speak English) could query NASA on howtos?
>>
>> Patrik
>>
>>
> Once they unfurled the sail, the S-band transmitter turned on, which has
> been draining the batteries.  Transmissions have been only
>  sporadic since then, I understand.

The radio fun might be over but there are still opportunities for
visual sightings (switch to THz frequency ;-)
The AL-coated solar sail is 6x larger than the reflective area of an
Iridium satellite so it may produce some nice flashes under the right
circumstances.

Alex



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