Hi all,
First off, sorry I couldn't provide a better "customer experience" with
solid answers on all the very on-point LTM questions tonight. I think it
will definitely help to get an expert in to give a technical
presentation and do some Q&A.
I did want to clarify one thing which may've been causing some
confusion. We have been using the term "PC-104 connector," and if you
search around for this online you will likely find the formal spec
<https://pc104.org/wp-content/uploads/2015/02/PC104_Spec_v2_6.pdf> (from
pc104.org) for the actual PC-104 connector, an ISA-derived 64 + 40 =
104-pin interface which looks like this:
The cubesat community seems to use the term "PC-104 connector" to refer
to the CubeSat Kit Bus (CSKB) connector, which is 26x4 = 104 pins (two
2x26 headers next to each other), which looks like this (top of the
diagram, from the AMSAT LTM Brochure):
I think this may have been the origin of some of the "it won't fit" or
"the pinout isn't close" comments. Let me know if I'm on the right track.
I will be sure this is clear in the new LTM ICD.
As to where the connector is positioned, that is what I thought the Cal
Poly cubesat design spec may have defined when I mentioned that in the
meeting, but it looks like it had origins in Pumpkin, Inc. instead and
then was more broadly adopted. I am going to do some further digging
for a formal physical spec that I can point to. Meanwhile it should be
easily derived from our layout files. (Or if someone on the list can
answer, please speak up.)
Thanks,
Patrick
I will be a few minutes late, getting stuck at work.
Thanks,
Cameron
> On Aug 22, 2024, at 07:17, Bill via pacsat-dev <pacsat-dev(a)amsat.org> wrote:
>
> pacsat dev mtg 8/22/2024
> Thu, Aug 22, 2024 7:00 PM - 9:00 PM (CDT)
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pacsat dev mtg 8/22/2024
Thu, Aug 22, 2024 7:00 PM - 9:00 PM (CDT)
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Sorry for the departure.
Out of the dark, Windows decided to test the blue screen of death feature.
Interesting project Ron. Want to know more about it.
Jim McCullers
WA4CWI
Pacsat dev mtg 8/15/2024
Thu, Aug 15, 2024 7:00 PM - 9:00 PM (CDT)
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We will demo Launchpad operation and installation.
Alex: pass this invite on to others
Launchpad intro
Wed, Aug 14, 2024 5:00 PM - 6:00 PM (CDT)
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Yes, I could meet at 5pm central tonight. I'm happy to do that.
Regards,
Chris
On Tue, Aug 13, 2024, 16:03 Blumenthal, Alex via pacsat-dev <
pacsat-dev(a)amsat.org> wrote:
> Hi Bill and Chris,
>
> Would either one or both of you be willing to go through a short
> walkthrough of getting started with the Launchpad? Would tomorrow
> (Wednesday) at 5 pm central time work? It would be myself, Luca, and
> potentially one other student.
>
> Other members of the PACSAT team are certainly welcome to attend if they'd
> like.
>
> Sincerely,
>
> Alex
>
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