[TangerineSDR] Teamspeak call minutes - June-10-2019

[Nathaniel Frissell]

Thanks, Tom.

For reference, here is the University of Michigan paper regarding the PNI
Geomagnetic Sensor RM3100.

https://www.geosci-instrum-method-data-syst.net/7/129/2018/gi-7-129-2018.pdf


73 de Nathaniel W2NAF

On Mon, Jun 10, 2019 at 10:27 PM Tom McDermott via TangerineSDR <
tangerinesdr at lists.tapr.org> wrote:

>
> Notes from PSWS / TangerineSDR call of 06-10-2019.
>
> 1. Rick W2GPS suggests that we should be able to achieve +/- 50 nsec
> absolute timestamp accuracy,
> excepting during solar events (ionospheric effect).  Use of a dual-channel
> receiver can improve the
> absolute accuracy but requires an expensive (~ $1500) dual-band antenna.
> Perhaps a homebrew
> dual-band antenna might be less expensive.
>
> 2. Scotty discussed mechanical packaging for expansion / adapter board for
> the
> Data Engine.  He will work on a drawing  to explain. This approach should
> be reduce
> the connector cost significantly.
>
> 3. Scotty will ask Hyomin about the Magnetometer and it's electrical
> interface.
> Nathaniel said we should plan on the PNI Geomagnetic Sensor RM3100.
> It appears to be SPI and 3.0 VDC supply (Max 3.6 VDC).
>  * Is there an assembled circuit board available?
>  * Can the user position it accurately enough at the site, or is there a
> way to
>    compute the positional alignment?
>  * Do we need to run orthogonality calibration?
>
> -- Tom, N5EG
>
>
> --
> TangerineSDR mailing list
> TangerineSDR at lists.tapr.org
> http://lists.tapr.org/mailman/listinfo/tangerinesdr_lists.tapr.org
>
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