Re: Request for data

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I successfully flashed the GN3S v1 and can now record more than 30 seconds
of data.
Thank you for the help though.

On Mon, Mar 16, 2009 at 7:41 PM, Henry Hallam <[email protected]>wrote:

> Hi Sam,
> I'm in the middle of assembling a prototype raw logger based loosely
> on the GN3S v2 design.  Hopefully by the end of this week it will be
> fully working and I can record 15 minutes of data for you.  It will be
> a 900MB file even at the reduced sample rate I'm using, but I should
> be able to upload it somewhere temporarily.
> BTW, you don't need 15 minutes of data to get a position.  40 seconds
> is enough to get a complete ephemeris for every visible satellite,
> which is all you need.
>
> Cheers,
> Henry
>
> 2009/3/16 Sam P <[email protected]>:
> > Hi,
> > I am currently doing a senior project on a software defined gps receiver.
> > I have finished the code for acquisition, and tracking.
> > Does anyone have 15minutes of raw gps data that I could get.
> >
> > I was using a SiGe GN3S v1 sampler however after 40 seconds the device
> shuts
> > down.
> > Does anyone have any advice on how to change the firmware.
> > I am afraid that after I flash the device it would no longer work.
> > I see documents on how to flash the v2 sampler, but am not sure if v1
> > different.
> >
> > Thank you,
> > Sam Price
> >
> >
> > _______________________________________________
> > opensource_gps mailing list
> > [email protected]
> > http://lists.psas.pdx.edu/cgi-bin/mailman/listinfo/opensource_gps
> >
> >
>

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I successfully flashed the GN3S v1 and can now record more than 30 seconds =
of data.<br>Thank you for the help though.<br><br><div class=3D"gmail_quote=
">On Mon, Mar 16, 2009 at 7:41 PM, Henry Hallam <span dir=3D"ltr">&lt;<a hr=
ef=3D"mailto:[email protected]">[email protected]</a>&gt;</span> =
wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi Sam,<br>
I&#39;m in the middle of assembling a prototype raw logger based loosely<br=
>
on the GN3S v2 design. =A0Hopefully by the end of this week it will be<br>
fully working and I can record 15 minutes of data for you. =A0It will be<br=
>
a 900MB file even at the reduced sample rate I&#39;m using, but I should<br=
>
be able to upload it somewhere temporarily.<br>
BTW, you don&#39;t need 15 minutes of data to get a position. =A040 seconds=
<br>
is enough to get a complete ephemeris for every visible satellite,<br>
which is all you need.<br>
<br>
Cheers,<br>
Henry<br>
<br>
2009/3/16 Sam P &lt;<a href=3D"mailto:[email protected]">[email protected]<=
/a>&gt;:<br>
<div><div></div><div class=3D"h5">&gt; Hi,<br>
&gt; I am currently doing a senior project on a software defined gps receiv=
er.<br>
&gt; I have finished the code for acquisition, and tracking.<br>
&gt; Does anyone have 15minutes of raw gps data that I could get.<br>
&gt;<br>
&gt; I was using a SiGe GN3S v1 sampler however after 40 seconds the device=
 shuts<br>
&gt; down.<br>
&gt; Does anyone have any advice on how to change the firmware.<br>
&gt; I am afraid that after I flash the device it would no longer work.<br>
&gt; I see documents on how to flash the v2 sampler, but am not sure if v1<=
br>
&gt; different.<br>
&gt;<br>
&gt; Thank you,<br>
&gt; Sam Price<br>
&gt;<br>
&gt;<br>
</div></div><div><div></div><div class=3D"h5">&gt; ________________________=
_______________________<br>
&gt; opensource_gps mailing list<br>
&gt; <a href=3D"mailto:[email protected]">opensource_gps@li=
sts.psas.pdx.edu</a><br>
&gt; <a href=3D"http://lists.psas.pdx.edu/cgi-bin/mailman/listinfo/opensour=
ce_gps" target=3D"_blank">http://lists.psas.pdx.edu/cgi-bin/mailman/listinf=
o/opensource_gps</a><br>
&gt;<br>
&gt;<br>
</div></div></blockquote></div><br>

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