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CX2SA > SATDIG 11.01.12 22:12l 687 Lines 20056 Bytes #999 (0) @ WW
BID : AMSATBB721
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Subj: AMSAT-BB-digest V7 21
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Sent: 120111/2005Z @:CX2SA.SAL.URY.SA #:46906 [Salto] FBB7.00e $:AMSATBB721
From: CX2SA@CX2SA.SAL.URY.SA
To : SATDIG@WW
Today's Topics:
1. NUTS Norwegian CubeSat Project (Trevor .)
2. Re: Vega to launch in February (tosca005@xxx.xxxx
3. Re: AO-27 pass 10 Jan 1840z (Bill Acito W1PA)
4. Re: Vega to launch in February (Bob- W7LRD)
5. Re: Vega to launch in February (n0jy@xxxxxxx.xxxx
6. Question of the day! (g.shirville@xxxxxxxxxx.xxxx
7. Re: Question of the day! (Gordon JC Pearce)
8. Re: Question of the day! (Anthony Monteiro)
9. Re: Vega to launch in February (Dee)
10. Re: Vega to launch in February (Andrew Glasbrenner)
11. Re: Vega to launch in February (Dee)
12. Re: Palm Springs HamFest 01/28/12 (Mike and Paula Herr)
13. AO-27 11/1801z pass (Bob Herrell)
14. HI4/AJ5C Operations (Bob Herrell)
----------------------------------------------------------------------
Message: 1
Date: Tue, 10 Jan 2012 20:01:43 +0000 (GMT)
From: "Trevor ." <m5aka@xxxxx.xx.xx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] NUTS Norwegian CubeSat Project
Message-ID:
<1326225703.33635.YahooMailClassic@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
A 2U CubeSat aiming for a launch in 2014, see
http://www.uk.amsat.org/3637
The specification document says "145 MHz and 347 MHz tranceivers. VHF is
primary downlink, UHF is primary uplink"
I presume the 347 MHz is a typo and should be 437 MHz.
73 Trevor M5AKA
AMSAT-UK: http://www.uk.amsat.org/
----
------------------------------
Message: 2
Date: 10 Jan 2012 14:20:31 -0600
From: tosca005@xxx.xxx
To: g0mrf@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID: <Gophermail.2.0.1201101420310.8471@xxxx.xx.xxx.xxx>
Content-Type: text/plain; format=flowed; charset=UTF-8
David:
You failed to quote the most fascinating part of the article:
> The caution is well advised. Statistics show that some two-thirds of the
rockets introduced in the past 20 years have had an unsuccessful first
outing.
>
> It is for this reason that the satellites carried on the "qualification"
> flight have been given a free ride.
OK, a 66% chance that our satellite would simply blow up, but a 33% chance
that we could get a satellite a free ride into a polar orbit. Hmmm... Don't
we have some hardware "sitting on the shelf" that we could offer up to the
gods of maiden launches??? Like a linear transponder instead of a
single-channel FM transponder?
John, Amsat-NA LM #2292
W0JT
On Jan 10 2012, g0mrf@xxx.xxx wrote:
>FYI
>
>300 x 1450km
>
>http://www.bbc.co.uk/news/science-environment-16480111
>
>
>
"Europe has named Thursday 9 February as the day it intends to launch its
new Vega rocket for the very first time.
>
The 30m-tall vehicle has been developed to take payloads up to 1.5 tonnes
into a polar orbit, and will fly from the Kourou spaceport in French
Guiana.
>
The project has been led by Italian industry and is years behind on its
original schedule.........
>
>
>
>
>David G0MRF
>
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 3
Date: Tue, 10 Jan 2012 16:38:06 -0500
From: "Bill Acito W1PA" <w1pa@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: AO-27 pass 10 Jan 1840z
Message-ID: <BAY157-ds47917667CA35E0F7AD8CB98990@xxx.xxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
...and to Bob, the pass was well-handled on your end, btw
(on _both_ ends of the Q's, actually). A credit to everyone; I was expecting
total chaos.
Patiently waiting as the "big" stations get their grid/entity, hopefully we
"handhelds"
will get the Q.
I made a lot of Q's after you left my foot-print on that pass. :-)
Does your schedule allow you to work the earlier passes as well (e.g. the
16:55 - 1710
pass today, along the east coast)
Bill W1PA (FT-530 and Arrow)
------------------------------
Message: 4
Date: Tue, 10 Jan 2012 21:50:29 +0000 (UTC)
From: Bob- W7LRD <w7lrd@xxxxxxx.xxx>
To: tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID:
<824446261.527077.1326232229133.JavaMail.root@xxxxxxx.xxxxxxxxxx.xx.xxxx.xxxxx
xx.xxx>
Content-Type: text/plain; charset=utf-8
We should have "something" sitting on the shelf "somewhere" just for these
and whatever opportunities.
73 W7LRD
----- Original Message -----
From: tosca005@xxx.xxx
To: g0mrf@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Sent: Tuesday, January 10, 2012 12:20:31 PM
Subject: [amsat-bb] Re: Vega to launch in February
David:
You failed to quote the most fascinating part of the article:
> The caution is well advised. Statistics show that some two-thirds of the
??rockets introduced in the past 20 years have had an unsuccessful first
outing.
>
> It is for this reason that the satellites carried on the "qualification"
> flight have been given a free ride.
OK, a 66% chance that our satellite would simply blow up, but a 33% chance
that we could get a satellite a free ride into a polar orbit. Hmmm... Don't
we have some hardware "sitting on the shelf" that we could offer up to the
gods of maiden launches??? Like a linear transponder instead of a
single-channel FM transponder?
John, Amsat-NA LM #2292
W0JT
On Jan 10 2012, g0mrf@xxx.xxx wrote:
>FYI
>
>300 x 1450km
>
>http://www.bbc.co.uk/news/science-environment-16480111
>
>
>
?"Europe has named Thursday 9 February as the day it intends to launch its
new Vega rocket for the very first time.
> ? ? ? ?
?The 30m-tall vehicle has been developed to take payloads up to 1.5 tonnes
into a polar orbit, and will fly from the Kourou spaceport in French
Guiana.
> ? ? ? ?
?The project has been led by Italian industry and is years behind on its
original schedule.........
>
>
>
>
>David ?G0MRF
>
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 5
Date: Tue, 10 Jan 2012 15:58:54 -0600 (CST)
From: n0jy@xxxxxxx.xxx
To: tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID: <58065.170.49.217.220.1326232734.squirrel@xxxxxxx.xxx>
Content-Type: text/plain;charset=iso-8859-1
I think that the hardware, whether sitting on a shelf or being built, is
rather expensive go around blowing up. Not to mention the work put into
designing and building the things.
Jerry
N0JY
> Don't
> we have some hardware "sitting on the shelf" that we could offer up to the
> gods of maiden launches??? Like a linear transponder instead of a
> single-channel FM transponder?
>
> John, Amsat-NA LM #2292
> W0JT
>
------------------------------
Message: 6
Date: Wed, 11 Jan 2012 12:12:56 -0000
From: <g.shirville@xxxxxxxxxx.xxx>
To: "CubeSat @ CubeSat.org" <cubesat@xxxxxxx.xxx>
Cc: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Question of the day!
Message-ID: <0E443FA4D894460EB657ECF6F72A551A@xxxxxxx.xxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Hi All,
It is "said that" NiCad battery cells usually fail to "short circuit" and
that Lithium Ion ones usually fail by just loosing their ability to hold a
charge viz they go "open circuit"
Is this true or....?
many thanks
Graham
G3VZV
------------------------------
Message: 7
Date: Wed, 11 Jan 2012 12:52:10 +0000
From: Gordon JC Pearce <gordonjcp@xxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Question of the day!
Message-ID: <4F0D85FA.5030505@xxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 11/01/12 12:12, g.shirville@xxxxxxxxxx.xxx wrote:
> Hi All,
>
> It is "said that" NiCad battery cells usually fail to "short circuit"
> and that Lithium Ion ones usually fail by just loosing their ability to
> hold a charge viz they go "open circuit"
>
> Is this true or....?
>
> many thanks
>
> Graham
> G3VZV
It certainly *seems* to be true. We have radios with NiCads that are
still struggling on with reduced capacity but when they go, they go dead
short across the cell. This is because little whiskers of cadmium
eventually grow across the electrolyte.
NiMH doesn't seem to do this, and can otherwise be considered a drop-in
replacement for NiCad.
The Lithium Ion batteries we use seem to hold up pretty well until about
600 cycles, then fall off very rapidly.
--
Gordonjcp MM0YEQ
------------------------------
Message: 8
Date: Wed, 11 Jan 2012 10:15:15 -0500
From: Anthony Monteiro <aa2tx@xxxxxxx.xxx>
To: g.shirville@xxxxxxxxxx.xxx
Cc: AMSAT BB <amsat-bb@xxxxx.xxx>, "CubeSat @ CubeSat.org"
<cubesat@xxxxxxx.xxx>
Subject: [amsat-bb] Re: Question of the day!
Message-ID: <4F0DA783.6090500@xxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Graham,
Lithium Ion cells also fail to a short.
But, typical consumer LiIon "batteries" include a
safety protection circuit that will disconnect the
cell from the battery terminals if the cell voltage
drops below the min discharge voltage so it looks
like it fails open.
For example:
http://datasheet.sii-ic.com/en/battery_protection/S8200A_E.pdf
73,
Tony AA2TX
---
On 1/11/2012 7:12 AM, g.shirville@xxxxxxxxxx.xxx wrote:
> Hi All,
>
> It is "said that" NiCad battery cells usually fail to "short circuit"
> and that Lithium Ion ones usually fail by just loosing their ability to
> hold a charge viz they go "open circuit"
>
> Is this true or....?
>
> many thanks
>
> Graham
> G3VZV
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
------------------------------
Message: 9
Date: Wed, 11 Jan 2012 10:32:41 -0500
From: Dee <morsesat@xxxxxxxxx.xxx>
To: "'Bob- W7LRD'" <w7lrd@xxxxxxx.xxx>, tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID: <004601ccd076$45410870$cfc31950$@xxxxxxxxx.xxx>
Why not take the awaiting ARISSAT engineering units already built and put
a known battery in one of them? Uh Oh, Gould's stomach is growling--HA!
Dee
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Bob- W7LRD
Sent: Tuesday, January 10, 2012 4:50 PM
To: tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
We should have "something" sitting on the shelf "somewhere" just for these
and whatever opportunities.
73 W7LRD
----- Original Message -----
From: tosca005@xxx.xxx
To: g0mrf@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Sent: Tuesday, January 10, 2012 12:20:31 PM
Subject: [amsat-bb] Re: Vega to launch in February
David:
You failed to quote the most fascinating part of the article:
> The caution is well advised. Statistics show that some two-thirds of
> the
rockets introduced in the past 20 years have had an unsuccessful first
outing.
>
> It is for this reason that the satellites carried on the "qualification"
> flight have been given a free ride.
OK, a 66% chance that our satellite would simply blow up, but a 33% chance
that we could get a satellite a free ride into a polar orbit. Hmmm...
Don't we have some hardware "sitting on the shelf" that we could offer up
to the gods of maiden launches??? Like a linear transponder instead of a
single-channel FM transponder?
John, Amsat-NA LM #2292
W0JT
On Jan 10 2012, g0mrf@xxx.xxx wrote:
>FYI
>
>300 x 1450km
>
>http://www.bbc.co.uk/news/science-environment-16480111
>
>
>
"Europe has named Thursday 9 February as the day it intends to launch its
new Vega rocket for the very first time.
>
The 30m-tall vehicle has been developed to take payloads up to 1.5 tonnes
into a polar orbit, and will fly from the Kourou spaceport in French
Guiana.
>
The project has been led by Italian industry and is years behind on its
original schedule.........
>
>
>
>
>David G0MRF
>
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite
>program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 10
Date: Wed, 11 Jan 2012 11:36:16 -0500 (GMT-05:00)
From: Andrew Glasbrenner <glasbrenner@xxxxxxxxxx.xxx>
To: Dee <morsesat@xxxxxxxxx.xxx>, "'Bob- W7LRD'" <w7lrd@xxxxxxx.xxx>,
tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID:
<18525136.1326299776801.JavaMail.root@xxxxxxxxxxxxx.xxx.xx.xxxxxxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
>Why not take the awaiting ARISSAT engineering units already built and put
>a known battery in one of them? Uh Oh, Gould's stomach is growling--HA!
>Dee
>
I know some of you are just having fun, but some really think it's just this
easy. Let me sprinkle a little reality here.
Vega offered a free launch to EUROPEAN educational CUBESAT projects. Since
some of the ones chosen failed to meet the deadline for delivery, had a
EUROPEAN group had a 1U cubesat ready to fly, it might have had a chance.
The remaining ARISSats have no deployment system, meaning no way to hold it
to the rocket, and no way to turn it on, unless someone wants to ride along
to flip the three switches and sling it out upon command. Furthermore,
ARISSat is volume-wise as large as the two primary payloads, LARES and
ALMAsat, and has roughly 50 times the mass of either of the missing cubesats.
Fox-1 (and presumably FunCube?) will have more than one flight-capable model
built. Fox-1 plans four total, at least two ready to fly, and the other two
needing only panels (the expensive part). Had the timing been different, we
might have had a spare we could have offered to be flown, but Fox is not
that far along yet. BUT! This is the beauty of the cubesat standard. Even if
the vehicle changes, the requirements remain the same (or close enough), and
late substitutions can be made, possibly.
My point is, support Fox-1 and -2 (and FunCube) -now-, so that when the next
empty slot turns up, we might be at the point we can respond with a flight
ready spacecraft.
My version of reality....yours may differ :-)
73, Drew KO4MA
------------------------------
Message: 11
Date: Wed, 11 Jan 2012 11:44:38 -0500
From: Dee <morsesat@xxxxxxxxx.xxx>
To: "'Andrew Glasbrenner'" <glasbrenner@xxxxxxxxxx.xxx>
Cc: Amsat BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Vega to launch in February
Message-ID: <000401ccd080$4f076de0$ed1649a0$@xxxxxxxxx.xxx>
Of course it "AINT" that easy, however, Let's get the Fox items funded.
That's where my antenna tuner money went to... How about the rest of you
guys?
Support our engineering team's projects.
Dee
-----Original Message-----
From: Andrew Glasbrenner [mailto:glasbrenner@xxxxxxxxxx.xxxx
Sent: Wednesday, January 11, 2012 11:36 AM
To: Dee; 'Bob- W7LRD'; tosca005@xxx.xxx
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Re: Vega to launch in February
>Why not take the awaiting ARISSAT engineering units already built and
>put a known battery in one of them? Uh Oh, Gould's stomach is
>growling--HA!
>Dee
>
I know some of you are just having fun, but some really think it's just
this easy. Let me sprinkle a little reality here.
Vega offered a free launch to EUROPEAN educational CUBESAT projects. Since
some of the ones chosen failed to meet the deadline for delivery, had a
EUROPEAN group had a 1U cubesat ready to fly, it might have had a chance.
The remaining ARISSats have no deployment system, meaning no way to hold
it to the rocket, and no way to turn it on, unless someone wants to ride
along to flip the three switches and sling it out upon command.
Furthermore, ARISSat is volume-wise as large as the two primary payloads,
LARES and ALMAsat, and has roughly 50 times the mass of either of the
missing cubesats.
Fox-1 (and presumably FunCube?) will have more than one flight-capable
model built. Fox-1 plans four total, at least two ready to fly, and the
other two needing only panels (the expensive part). Had the timing been
different, we might have had a spare we could have offered to be flown,
but Fox is not that far along yet. BUT! This is the beauty of the cubesat
standard. Even if the vehicle changes, the requirements remain the same
(or close enough), and late substitutions can be made, possibly.
My point is, support Fox-1 and -2 (and FunCube) -now-, so that when the
next empty slot turns up, we might be at the point we can respond with a
flight ready spacecraft.
My version of reality....yours may differ :-)
73, Drew KO4MA
------------------------------
Message: 12
Date: Wed, 11 Jan 2012 09:58:05 -0800
From: Mike and Paula Herr <herr@xxxxxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: Palm Springs HamFest 01/28/12
Message-ID: <4F0DCDAD.8000206@xxxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Yep, Looks like myself and XYL Paula, N6VGW, will be making it. Hope to
see you all there.
73
Mike WA6ARA
On 1/10/2012 12:00 PM, amsat-bb-request@xxxxx.xxx wrote:
>
> Hi!
>
> Besides Clint, is anyone else considering a trip to the hamfest
> in Palm Springs?
------------------------------
Message: 13
Date: Wed, 11 Jan 2012 15:32:16 -0400
From: Bob Herrell <bob72601@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] AO-27 11/1801z pass
Message-ID:
<CAMQtZ2QT59cmRCucZsWOVU6PNHy8oG1Ea9qTQ47LaTBi2s5Dfg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Thanks for all the contacts. Today I was able to confirm the following
stations during the pass:
N3YKF, WA5KBH, KF5LOQ, W1PA, KB1RVT, WB3CSY, N2BX, W3KXR, WB8TGY, KD8QBA,
N2HVR, K8YSE/P and WC7V.
To see where I am, go to this link. I operate in a pasture next to a
baseball field on the east side of town.
http://aprs.fi/?_s=os&call=a%2FAJ5C-12
73,
Bob - HI4/AJ5C
------------------------------
Message: 14
Date: Wed, 11 Jan 2012 15:45:33 -0400
From: Bob Herrell <bob72601@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] HI4/AJ5C Operations
Message-ID:
<CAMQtZ2T7_31yQ7KXo12Py096oGuUzjP880K9Z3nPFORYSF-rCg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Thanks for all the contacts. Today I was able to confirm the following
stations during the pass:
N3YKF, WA5KBH, KF5LOQ, W1PA, KB1RVT, WB3CSY, N2BX, W3KXR, WB8TGY, KD8QBA,
N2HVR, K8YSE/P and WC7V.
To see where I am, go to this link. I operate in a pasture next to a
baseball field on the east side of town.
http://aprs.fi/?_s=os&call=a%2FAJ5C-12
73,
Bob - HI4/AJ5C
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
http://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 7, Issue 21
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