[TangerineSDR] Regarding magnetometer support board prototypes

John Gibbons jcg66 at case.edu
Sat Apr 18 15:01:41 EDT 2020

David KD0EAG,

Just saw this - I'm capable of soldering these PCB's (as long as there are
no Ball Grid chips).

Let me know.

John N8OBJ

John C. Gibbons
Director - Sears Undergraduate Design Laboratory
Dept. of Electrical Engineering and Computer Science
Case Western Reserve University
10900 Euclid Ave, Glennan 314
Cleveland, Ohio  44106-7071
Phone (216) 368-2816 <216-368-2816> FAX (216) 368-6888 <216-368-6888>
E-mail: jcg66 at case.edu

On Sat, Apr 18, 2020 at 2:34 PM David Witten via TangerineSDR <
tangerinesdr at lists.tapr.org> wrote:

> Sorry about the missing subject line.  Google got me!
> ---------- Forwarded message ---------
> From: David Witten <wittend at wwrinc.com>
> Date: Sat, Apr 18, 2020 at 12:45 PM
> Subject:
> To: <tangerinesdr at lists.tapr.org>
> I have already sent messages to David McGraw and John Gibbons offering to
> send Simple Magnetometer Support Boards (SMSB's) immediately if they wish.
> I do have a few of the full Magnetometer Support Boards with Extension
> (MSBx's)  unpopulated PCBs but they would take time to stuff and test.
> They are built in pairs, and contain more and more aggravating parts to
> solder.  The final layout of these boards remains significantly in flux,
> and out of my hands.
> Depending on the situation, I find the SMSBs much easier to work with for
> testing code, etc.  They are cheap, easy to populate, essentially
> disposable, and seem to work well.  They just do not test the lowest noise
> levels we hope to achieve.  To my knowledge, the significance of this
> difference has yet to be established.
> I'm happy to work with anyone within my personal limitations, and am eager
> to see as many of these devices in test as possible.
> Dave Witten, KD0EAG
> From: "Dr. Nathaniel A. Frissell Ph.D." <nathaniel.frissell at scranton.edu>
>> To: David McGaw <david.g.mcgaw at dartmouth.edu>, TangerineSDR Listserv <
>> tangerinesdr at lists.tapr.org>
>> Cc:
>> Bcc:
>> Date: Sat, 18 Apr 2020 11:30:25 +0000
>> Subject: Re: [TangerineSDR] Magnetometer Status 2020-02-13
>> Thank you, David. We will do that.
>> Dave Witten, Scotty, and Hyomin, I think we should make sure Dave McGaw
>> gets access to some of these to test, especially since he has access to
>> testing facilities and significant experience in this area.
>> 73 de Nathaniel W2NAF
> --
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> TangerineSDR at lists.tapr.org
> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org
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