[Ground-station] star tracker ?

John Toscano jptoscano223500 at gmail.com
Sun Jul 8 07:39:27 EDT 2018


I am not a lawyer and I only quickly scanned the cited documents, so my
comments should be taken with a grain of salt.

It looks to me that these documents talk about space sensing in such
generic terms that they could be restricting almost anything, like even a
simple temperature sensor or a solar panel illumination monitor. But
reading the details indicates to me that the concern is with images of the
earth. A star tracker collects images of stars (and probably other
celestial objects such as planets and galaxies). So it seems to me to be
unrelated to the technology being regulated. Granted, a telescope with a
camera intended to point at stars could accidentally point at earth at some
point, but if the software determines that there are no stars visible in
the camera's field of view, it could prohibit the download of the data and
that should be sufficient to avoid non-compliance with these regulations.
Maybe that's too simplistic a view, but that's my view.

On Jul 8, 2018 01:14, "Ground-Station"
<ground-station at lists.openresearch.institute> wrote:

James,

NOAA requires a license for terrestrial imaging. Title 51 of the US code at
https://www.law.cornell.edu/uscode/text/51
and Presidential Decision Directive NSC-23 at
https://clinton.presidentiallibraries.us/items/show/12747
both include restrictions upon imaging.

They are concerned by things like high-resolution maps of Israel, which
presumably would be used to bomb them.

I haven't read over the laws yet, but we'd have to understand them as part
of any remote imaging mission. Whether or not a star finder could be
restricted is dependent on both technical details and the law, yet to be
studied.

    Thanks

    Bruce

On Sat, Jul 7, 2018 at 3:10 PM, Ground-Station <
ground-station at lists.openresearch.institute> wrote:

> I recently had a discussion with a couple of satellite builders (one of
> which was on the 50dollarsat project) and I asked what were the chances of
> building a 1 or 2u
> cubesat that had a small telescope with camera on it.
>
> One of the things that was brought up about that was that there is a fcc
> or DoD
> rule that prohibited cameras pointing away from the earth. I was told that
> it was out
> of concern that the U.S. didn't want anyone taking pictures of some super
> secret
> satellite either by accident or on purpose.
>
> I haven't had the time to look it up and hadn't even thought of this until
> I read this thread.
>
> Is this true or not?
>
> James W8ISS
>
> _______________________________________________
> Ground-Station mailing list
> Ground-Station at lists.openresearch.institute
> http://lists.openresearch.institute/mailman/listinfo/ground-station
>
>


-- 
Bruce Perens K6BP - CEO, Legal Engineering
Standards committee chair, license review committee member, co-founder,
Open Source Initiative
President, Open Research Institute; Board Member, Fashion Freedom
Initiative.
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