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CX2SA > SATDIG 08.12.20 00:57l 719 Lines 32425 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. Re: Mail Server Upgrade - Please Read - POSSIBLE SCAM!!
(Burns Fisher)
2. Re: How to determine why Fox satellite batteries failed before
projected 5 year lifetime
(Burns Fisher)
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<CABX7KxVxvG7oyKCBhgYbJcEY9EqqdN8TcTO_T6QumV+PwKcQkg@????.?????.???>
From: Burns Fisher <wb1fj-bb@??????.??>
Date: Mon, 7 Dec 2020 17:55:37 -0500
Message-ID:
<CABX7KxVjyfP59diTM=5DpgG4sOG_0vZcou4-AoY-J9Y1SaE5dw@????.?????.???>
To: Dean Berglund <deanberg2044@?????.???>
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CC: Richard Lawn <rjlawn@?????.???>, Bill Acito <w1pa@???????.???>, Paul
Stoetzer <n8hm@????.???>, "amsat-bb@?????.???? <amsat-bb@?????.???>
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Subject: [AMSAT-BB] Re: Mail Server Upgrade - Please Read - POSSIBLE SCAM!!
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Ok, here it is. And remember most of you are only on the bb. Please do
not subscribe to any of the internal lists if you see them (we are trying
to fix that).
First, you have a single account on mailman. You can login at
> mailman.amsat.org. If you have not done so before, you will need to
> create an account with a username (not just an email address). You also
> specify your email address when you create this account. When you do tha=
t
> you will automatically find that you can access info about the lists you
> are subscribed to
>
(in this case specifically the bb)
> But here is the key. When you go to your account profile, you can add
> additional email addresses and designate one of them to be primary. The
> primary email is where you get mail from the lists, but you can also send
> from the other addresses that you add.
So it is working as expected. It was just not terribly clear what to
expect. Sorry about that...
73,
Burns WB1FJ
(not doing IT, but I was a guinea pig for this conversion)
On Mon, Dec 7, 2020 at 5:50 PM Burns Fisher <wb1fj-bb@??????.??> wrote:
> Folks, you need to create a whole new account with a non-email username.
> Include your email (or maybe you add it afterwards) and it will connect
> you will the mailing list that you are on. So the deal is that your
> mailman login is NOT your email address. I hope that helps. I wrote
> something about it to others when we converted some local lists. Let me
> see if I can find it.
>
> On Mon, Dec 7, 2020 at 4:33 PM Dean Berglund <deanberg2044@?????.???>
> wrote:
>
>> I did exactly as the email said to do it. You have to create a new
>> account. The lists you are currently signed up for do transfer over for =
you
>> automatically. I had no problem. You should have no problem as long as y=
ou
>> follow the steps one at a time as it says in the email from Matthew Albe=
rti
>> <matthewalberti@?????.???> <matthewalberti@?????.???>
>> the instructions are also in the pdf file he attached to the email.
>> Dean KC9REN
>>
>> On 12/7/2020 2:26 PM, Richard Lawn wrote:
>>
>> I just tried to resubscribe and it tells me I=E2=80=99m already subscrib=
ed but it
>> won=E2=80=99t let me log in. I=E2=80=99d say this is screwed up!
>>
>> On Mon, Dec 7, 2020 at 3:21 PM Bill Acito <w1pa@???????.???> wrote:
>>
>>> I had to =E2=80=9Cre-create=E2=80=9D my account.
>>>
>>>
>>>
>>> b
>>>
>>>
>>>
>>> Bill ACITO | W1PA
>>>
>>>
>>>
>>> *From: *Richard Lawn <rjlawn@?????.???>
>>> *Sent: *Monday, December 7, 2020 3:19 PM
>>> *To: *Bill Acito <w1pa@???????.???>
>>> *Cc: *Paul Stoetzer <n8hm@????.???>; amsat-bb@?????.???
>>> *Subject: *Re: [AMSAT-BB] Re: Mail Server Upgrade - Please Read -
>>> POSSIBLE SCAM!!
>>>
>>>
>>>
>>> Ok, somebody tell me how to get in and make changes to my subscription.
>>> I got in but when it asked for my email address and password it didn=E2=
=80=99t
>>> recognize either of my email addresses.
>>>
>>>
>>>
>>> Rick, W2JAZ
>>>
>>>
>>>
>>>
>>>
>> --
>> Sent from Gmail Mobile
>>
>> -----------------------------------------------
>> AMSAT-BB mailing list -- amsat-bb@?????.???
>> View archives of this mailing list at https://mailman.amsat.org/hyperkit=
ty/list/amsat-bb@?????.???
>> To unsubscribe send an email to amsat-bb-leave@?????.???
>> Manage all of your AMSAT-NA mailing list preferences at https://mailman.=
amsat.org
>>
>>
>>
>>
>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&ut=
m_campaign=3Dsig-email&utm_content=3Demailclient&utm_term=3Dicon> Virus-fre=
e.
>> www.avast.com
>> <https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&ut=
m_campaign=3Dsig-email&utm_content=3Demailclient&utm_term=3Dlink>
>> <#m_3680522519375311213_m_-7917525444679415348_DAB4FAD8-2DD7-40BB-A1B8-4=
E2AA1F9FDF2>
>> -----------------------------------------------
>> AMSAT-BB mailing list -- amsat-bb@?????.???
>> View archives of this mailing list at
>> https://mailman.amsat.org/hyperkitty/list/amsat-bb@?????.???
>> To unsubscribe send an email to amsat-bb-leave@?????.???
>> Manage all of your AMSAT-NA mailing list preferences at
>> https://mailman.amsat.org
>>
>
--00000000000029c29c05b5e7baa2
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Ok, here it is.=C2=A0 And remember most of you are only on=
the bb.=C2=A0 Please do not subscribe to any of the internal lists if you =
see them (we are trying to fix that).<div><br></div><div><blockquote style=
=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding=
-left:1ex" class=3D"gmail_quote">First, you have a single account on mailma=
n.=C2=A0 You can login at=C2=A0<a href=3D"http://mailman.amsat.org/" target=
=3D"_blank">mailman.amsat.org</a>.=C2=A0 If you have not done so before, yo=
u will need to create an account with a username (not just an email address=
).=C2=A0 You also specify your email address when you create this account.=
=C2=A0 When you do that you will automatically find that you can access inf=
o about the lists you are subscribed to=C2=A0<br></blockquote><div>(in this=
case specifically the bb)=C2=A0</div><blockquote style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class=3D"=
gmail_quote">But here is the key.=C2=A0 When you go to your account profile=
, you can add additional email addresses and designate one of them to be pr=
imary.=C2=A0 The primary email is where you get mail from the lists, but yo=
u can also send from the other addresses that you add.=C2=A0</blockquote><d=
iv><br></div><div>So it is working as expected.=C2=A0 It was just not terri=
bly clear what to expect.=C2=A0 Sorry about that...</div><div><br></div><di=
v>73,</div><div><br></div><div>Burns WB1FJ</div><div>(not doing IT, but I w=
as a guinea pig for this conversion)=C2=A0</div></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 7, 2020 =
at 5:50 PM Burns Fisher <wb1fj-bb@??????.?????? wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">Folks, you need =
to create a whole new account with a non-email username.=C2=A0 =C2=A0Includ=
e your email (or maybe you add it afterwards) and it will connect you will =
the mailing list that you are on.=C2=A0 So the deal is that your mailman lo=
gin is NOT your email address.=C2=A0 I hope that helps. I wrote something a=
bout it to others when we converted some local lists.=C2=A0 Let me see if I=
can find it.</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D=
"gmail_attr">On Mon, Dec 7, 2020 at 4:33 PM Dean Berglund <<a href=3D"ma=
ilto:deanberg2044@?????.???? target=3D"_blank">deanberg2044@?????.???<??>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
=20
=20
=20
<div>
I did exactly as the email said to do it. You have to create a new
account. The lists you are currently signed up for do transfer over
for you automatically. I had no problem. You should have no problem
as long as you follow the steps one at a time as it says in the
email from Matthew Alberti <a href=3D"mailto:matthewalberti@?????.???? =
target=3D"_blank"><matthewalberti@?????.???????<??><br>
the instructions are also in the pdf file he attached to the email.<br>
Dean KC9REN<br>
<br>
<div>On 12/7/2020 2:26 PM, Richard Lawn
wrote:<br>
</div>
<blockquote type=3D"cite">
=20
<div dir=3D"auto">I just tried to resubscribe and it tells me I=E2=80=
=99m
already subscribed but it won=E2=80=99t let me log in. I=E2=80=99d =
say this is
screwed up!=C2=A0</div>
<div><br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Mon, Dec 7, 2020 at 3:21
PM Bill Acito <<a href=3D"mailto:w1pa@???????.???? target=3D=
"_blank">w1pa@???????.???<??>> wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8=
ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang=3D"EN-US">
<div>
<p class=3D"MsoNormal">I had to =E2=80=9Cre-create=E2=80=9D=
my account.</p>
<p class=3D"MsoNormal">=C2=A0</p>
<p class=3D"MsoNormal">b</p>
</div>
</div>
<div lang=3D"EN-US">
<div>
<p class=3D"MsoNormal">=C2=A0</p>
<p class=3D"MsoNormal"><span style=3D"color:rgb(143,170,220=
)">Bill
ACITO | W1PA</span></p>
<p class=3D"MsoNormal">=C2=A0</p>
<div style=3D"border-right:none;border-bottom:none;border-l=
eft:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in">
<p class=3D"MsoNormal" style=3D"border:none;padding:0in">=
<b>From:
</b><a href=3D"mailto:rjlawn@?????.???? target=3D"_blan=
k">Richard
Lawn</a><br>
<b>Sent: </b>Monday, December 7, 2020 3:19 PM<br>
<b>To: </b><a href=3D"mailto:w1pa@???????.???? target=
=3D"_blank">Bill Acito</a><br>
<b>Cc: </b><a href=3D"mailto:n8hm@????.???? target=3D"_=
blank">Paul
Stoetzer</a>; <a href=3D"mailto:amsat-bb@?????.???? t=
arget=3D"_blank">
amsat-bb@?????.???<??><br>
<b>Subject: </b>Re: [AMSAT-BB] Re: Mail Server
Upgrade - Please Read - POSSIBLE SCAM!!</p>
</div>
<p class=3D"MsoNormal">=C2=A0</p>
<div>
<p class=3D"MsoNormal">Ok, somebody tell me how to get
in and make changes to my subscription. I got in but
when it asked for my email address and password it
didn=E2=80=99t recognize either of my email addresses.<=
/p>
</div>
<div>
<p class=3D"MsoNormal">=C2=A0</p>
</div>
<div>
<p class=3D"MsoNormal">Rick, W2JAZ=C2=A0</p>
</div>
<div>
<p class=3D"MsoNormal">=C2=A0</p>
</div>
<p class=3D"MsoNormal">=C2=A0</p>
</div>
</div>
</blockquote>
</div>
</div>
-- <br>
<div dir=3D"ltr">Sent from Gmail Mobile</div>
<br>
<fieldset></fieldset>
<pre>-----------------------------------------------
AMSAT-BB mailing list -- <a href=3D"mailto:amsat-bb@?????.???? target=3D"_b=
lank">amsat-bb@?????.???<??>
View archives of this mailing list at <a href=3D"https://mailman.amsat.org/=
hyperkitty/list/amsat-bb@?????.???? target=3D"_blank">https://mailman.amsat=
.org/hyperkitty/list/amsat-bb@?????.???<??>
To unsubscribe send an email to <a href=3D"mailto:amsat-bb-leave@?????.?????
target=3D"_blank">amsat-bb-leave@?????.???<??>
Manage all of your AMSAT-NA mailing list preferences at <a href=3D"https://=
mailman.amsat.org" target=3D"_blank">https://mailman.amsat.org</a>
</pre>
</blockquote>
<br>
<div id=3D"gmail-m_3680522519375311213gmail-m_-7917525444679415348DAB4FAD=
8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
<table style=3D"border-top:1px solid rgb(211,212,222)">
<tbody><tr>
<td style=3D"width:55px;padding-top:13px"><a href=3D"https://www.av=
ast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_campaign=
=3Dsig-email&utm_content=3Demailclient&utm_term=3Dicon" target=3D"_=
blank"><img src=3D"https://ipmcdn.avast.com/images/icons/icon-envelope-tick=
-round-orange-animated-no-repeat-v1.gif" alt=3D"" width=3D"46" height=3D"29=
" style=3D"width: 46px; height: 29px;"></a></td>
<td style=3D"width:470px;padding-top:12px;color:rgb(65,66,78);font-size:1=
3px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Virus-free. <a=
href=3D"https://www.avast.com/sig-email?utm_medium=3Demail&utm_source=
=3Dlink&utm_campaign=3Dsig-email&utm_content=3Demailclient&utm_=
term=3Dlink" style=3D"color:rgb(68,83,234)" target=3D"_blank">www.avast.com=
</a>
</td>
</tr>
</tbody></table><a href=3D"#m_3680522519375311213_m_-7917525444679415348_DA=
B4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width=3D"1" height=3D"1"> </a></div></d=
iv>
-----------------------------------------------<br>
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From: Burns Fisher <wb1fj-bb@??????.??>
Date: Mon, 7 Dec 2020 18:38:32 -0500
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Just one comment: Other than AO-91, (and upcoming Fox-1E) we had no
telemetry to indicate whether a single battery pair was failing or if they
failed "together". Only AO-91 had individual cell pair telemetry. (Pair:
There were 6 cells, 2 parallel cells in a 3-series chain).
The 5-year prediction was made before my time at AMSAT. But I do know that
the original plan (after AO-51 and for that matter 7) failed, was to design
the power system so that if the batteries shorted, we would still run on
solar panels. Many of you may have heard that said. But the launch time
approached fast before such a design could be realized. And in fact
despite the seemingly long times between some launches, the times when we
had to be "hands off" on birds was too close to make many changes based on
past experience. And of course the first one to go (AO-85) failed long
after all the other 4 were either in orbit or frozen.
Burns, WB1FJ
On Mon, Dec 7, 2020 at 3:13 PM John Brier <johnbrier@?????.???> wrote:
> Thank you very much Paul.
>
> I must have missed that during the Symposium.
>
> So overall, do you think the time the satellites were in eclipse and
> in use was longer than expected?
>
> Otherwise what would explain the higher than planned depth of discharge?
>
> 73, John Brier KG4AKV
>
> P.S.
>
> For anyone else looking through the PDF mentioned earlier, the cells
> mentioned on page 324 were 6x SANYO KR1700AU "A" CELLS, which
> apparently didn't end up being the actual used cells, as Paul
> mentioned
>
> On Mon, Dec 7, 2020 at 2:59 PM Paul Stoetzer <n8hm@????.???> wrote:
> >
> > Each Fox-1 satellite uses 6 Sanyo KR-1400AE NiCd A cells.
> >
> > Obviously we all hoped that the batteries would last a lot longer. As
> > discussed during the Symposium, the likely cause of battery failure is
> > a higher than planned depth of discharge. Note that AO-92's batteries
> > failed more quickly than AO-91. Since AO-92's evening passes were
> > generally between 9 and 11 pm, AO-92 saw lots of use while in ecilpse.
> > Contrast that to AO-91, where the evening passes were generally after
> > midnight, so it saw less use while in eclipse.
> >
> > I'm not sure there's much to be learned from the experience with these
> > batteries as NiCd battery technology is now certainly obsolete and
> > will not be used in future AMSAT satellites. AMSAT's GOLF series of
> > satellites will use lithium ion batteries. More information about the
> > progress of GOLF, including the GOLF-TEE status paper from the 2020
> > Symposium Proceedings, can be found at
> >
>
https://www.amsat.org/greater-orbit-larger-footprint-an-introduction-to-the-am
sat-golf-program/
> >
> > 73,
> >
> > Paul, N8HM
> -----------------------------------------------
> AMSAT-BB mailing list -- amsat-bb@?????.???
> View archives of this mailing list at
> https://mailman.amsat.org/hyperkitty/list/amsat-bb@?????.???
> To unsubscribe send an email to amsat-bb-leave@?????.???
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> https://mailman.amsat.org
>
--000000000000994e8805b5e85322
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Just one comment:=C2=A0 Other than AO-91, (and upcoming Fo=
x-1E) we had no telemetry to indicate whether a single battery pair was fai=
ling or if they failed "together".=C2=A0 Only AO-91 had individua=
l cell pair telemetry.=C2=A0 (Pair:=C2=A0 There were 6 cells, 2 parallel ce=
lls in a 3-series chain).<div><br></div><div>The 5-year prediction was made=
before my time at AMSAT.=C2=A0 But I do know that the original plan (after=
AO-51 and for that matter 7) failed, was to design the power system so tha=
t if the batteries shorted, we would still run on solar panels.=C2=A0 Many =
of you may have heard that said.=C2=A0 But the launch time approached fast =
before such a design could be realized.=C2=A0 And in fact despite the seemi=
ngly long times between some launches, the times when we had to be "ha=
nds off" on birds was too close to make many changes based on past exp=
erience.=C2=A0 And of course the first one to go (AO-85) failed long after =
all the other 4 were either in orbit or frozen.<br><div><br></div><div>Burn=
s, WB1FJ</div></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" c=
lass=3D"gmail_attr">On Mon, Dec 7, 2020 at 3:13 PM John Brier <<a href=
=3D"mailto:johnbrier@?????.????>johnbrier@?????.???<??>> wrote:<br></div=
><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border=
-left:1px solid rgb(204,204,204);padding-left:1ex">Thank you very much Paul=
.<br>
<br>
I must have missed that during the Symposium.<br>
<br>
So overall, do you think the time the satellites were in eclipse and<br>
in use was longer than expected?<br>
<br>
Otherwise what would explain the higher than planned depth of discharge?<br=
>
<br>
73, John Brier KG4AKV<br>
<br>
P.S.<br>
<br>
For anyone else looking through the PDF mentioned earlier, the cells<br>
mentioned on page 324 were 6x SANYO KR1700AU "A" CELLS, which<br>
apparently didn't end up being the actual used cells, as Paul<br>
mentioned<br>
<br>
On Mon, Dec 7, 2020 at 2:59 PM Paul Stoetzer <<a href=3D"mailto:n8hm@????
l.net" target=3D"_blank">n8hm@????.???<??>> wrote:<br>
><br>
> Each Fox-1 satellite uses 6 Sanyo KR-1400AE NiCd A cells.<br>
><br>
> Obviously we all hoped that the batteries would last a lot longer. As<=
br>
> discussed during the Symposium, the likely cause of battery failure is=
<br>
> a higher than planned depth of discharge. Note that AO-92's batter=
ies<br>
> failed more quickly than AO-91. Since AO-92's evening passes were<=
br>
> generally between 9 and 11 pm, AO-92 saw lots of use while in ecilpse.=
<br>
> Contrast that to AO-91, where the evening passes were generally after<=
br>
> midnight, so it saw less use while in eclipse.<br>
><br>
> I'm not sure there's much to be learned from the experience wi=
th these<br>
> batteries as NiCd battery technology is now certainly obsolete and<br>
> will not be used in future AMSAT satellites. AMSAT's GOLF series o=
f<br>
> satellites will use lithium ion batteries. More information about the<=
br>
> progress of GOLF, including the GOLF-TEE status paper from the 2020<br=
>
> Symposium Proceedings, can be found at<br>
> <a href=3D"https://www.amsat.org/greater-orbit-larger-footprint-an-int=
roduction-to-the-amsat-golf-program/" rel=3D"noreferrer" target=3D"_blank">=
https://www.amsat.org/greater-orbit-larger-footprint-an-introduction-to-the=
-amsat-golf-program/</a><br>
><br>
> 73,<br>
><br>
> Paul, N8HM<br>
-----------------------------------------------<br>
AMSAT-BB mailing list -- <a href=3D"mailto:amsat-bb@?????.???? target=3D"_b=
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</blockquote></div>
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