Hello, de ji1izr/Masahiro,
ARTSAT1:INVADER, one of the CubeSats,
is in trouble that the satellite does not reply after the command by the comm
The members are trying to find out how to recover.
We have no reply from the satellite, nor the CW becomes not to be heard after
When you have a chance to listen to the satellite,
please send your report from below:
Your report will be great help for the members.
We appreciate your help very much.
I will be operating portable from DL99 and DL 98 on Wednesday and Thursday of this week. I plan on being on the the following satellite passes:
6/4/2014 19:08 UTC SO-50 DL99
6/5/2014 00:20 UTC FO-29 DL98
6/5/2014 15:06 UTC FO-29 DL98
6/5/2014 17:55 UTC SO-50 DL99
Ron - N8RO
AMSAT folks might be interested in how NASA might update Space Camp in
Huntsville to include the real-world of congressional budget constraints
and indifference to our space program:
Last night LituanicaSat-1 arrived over southern California a little behind my predicted time of 8:12PM PDST, moving roughly from the south to southeast. Heard the greeting, cut the power to 10 w, keyed the TS-2000 and immediately heard my downlink. My downlink quickly went from partial to full quieting. Very impressive signal strength. I called CQ at least a half dozen times but no one on. Too bad.
Anyway, thank you to the LituanicaSat-1 sat team for making this possible. Amazing technology for a small cube in space ;-)
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What an extraordinary session tonight at this club - WARA in Fullerton, CA. I was last there five
years ago ... they continue to grow ... and teach ... a new ham graduate from one of their test
sessions was there ... "we" guided him to what to purchase this week at HRO-Anaheim ...
After performing my satellite presentation about 80 times, I thought I had "heard 'bout all" the
possible questions that may arise. But this wise group hit me with a couple inquiries that I had never been
asked before. (Proving to me that they WERE listening ... (grin).)
And what better way to finish a satellite presentation than to walk outside on a beautiful evening
and watch the International Space Station streak across the sky above us. It was the very first time for EVERYONE
in attendance to actually SEE the ISS pass overhead ...
SO - THANK YOU, Western Amateur Radio Association, for your hospitality this evening. And if anyone reading is
in or near Orange County, CA, then please cruise the WARA Web site cited below and give them a visit.
I'll be selling a Trakbox soon; would be grateful for advice on what price to ask (in UK money). Original price AFAIRC 100-150 UK pounds.
For those who don't know this item, its an az/el rotator controller. Feed it keplers on the RS232 input occasionally and it'll track both rotators at the right time.
Some of you may remember the Chicken Little Contest run by Alan a while
I have taken another look at decay using the XATCOBEO satellite as an
My first try at a program calculated the decay in early June 2014.
I am all but positive this is several weeks too soon.
On the other end of the spectrum SatPC32/WinAOS shows it up and running
well into 2084.
I am as positive as I can be that this is many decades too late.
Orbitron shows it still running on Sept 8 2014 but at an altitude of only
I believe this is a bit late as 160km is usually considered to be the point
of no return.
Calsky predicts decay on 14 August 2014 with a +/- of 15 days
Smart guy to hedge his bets with the +/- range.
DK3WN predicts decay on 31 July 2014
This falls into the +/- range of Calsky and since our own N8MH is an editor
on this site it is probably the closest.
With LEO satellites rapidly becoming as common as iPads they provide
interesting subjects for decay predictions
and possible Chicken Little contests.
Is there any formal definition/announcement of the actual decay or
are satellites like old soldiers and just fade away ?
73 W9KE Tom Doyle
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jfitzgerald <at> alum.wpi.edu
-Joe Fitzgerald KM1P