[TangerineSDR] Regarding magnetometer support board prototypes

David Witten wittend at wwrinc.com
Sat Apr 18 14:33:15 EDT 2020

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
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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