[FOSS-GPS] GPS outage?

[Joseph Muhlhausen]

Thank you Julio and Glen.

I collected the data on a pc running windows 7 and then post processed them
on my Mac in a virtual machine running windows 7. I will check my rinex
conversion.


Best,
Joseph



>
> Message: 1
> Date: Sat, 15 Mar 2014 12:25:57 -0700 (PDT)
> From: julio menezes <yjmenezes at yahoo.com.br>
> To: Open Source GPS-related discussion and support
>         <foss-gps at lists.osgeo.org>
> Subject: Re: [FOSS-GPS] GPS outage?
> Message-ID:
>         <1394911557.86156.YahooMailNeo at web162502.mail.bf1.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi Joseph
>
> your data seems to be ok, all the time.
> I saw the rinex ecef position and they are close, for the 3 sessions, less
> than 3 meter.
> You are running under a virtual machine.? Are you a GNU/Linux user ? I am.
>
> please check your rinex conversion to output navegation.
> with convbin CLI,? use the switches? -n -g -s besides -o
>
> i hope it helps
>
> regards,
>
> julio menezes
>
>
>
>
>
>
> Em S?bado, 15 de Mar?o de 2014 12:34, Joseph Muhlhausen <
> josibarns at gmail.com> escreveu:
>
> Hello everyone,
>
> This is my first post on FOSS GPS.
>
> Yesterday, using a NVS - NV08C and a Tallysman 3430 antenna I captured 3
> series of raw measurements with the objective of post - processing them
> with a nearby CORS station in RTKLIB.
>
> After having collected the raw measurements and looking at them, it
> appears that I lost the signal from 18:00 to 20:00 (attached are the RINEX
> files).
>
> I don't quite fully understand what happened. Has someone else had this
> issue before? Is this a GPS outage?
>
> Thank you for your help.
>
> https://www.dropbox.com/sh/i7v3roli35nemr3/IfLpZkF5zw
>
>
> Joseph
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> ------------------------------
>
> Message: 2
> Date: Sun, 16 Mar 2014 06:45:23 +1100
> From: Glenn Thorpe <glenn at thorpies.com>
> To: foss-gps at lists.osgeo.org
> Subject: [FOSS-GPS] GPS outage?
> Message-ID: <5324ADD3.6000001 at thorpies.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hello Joseph
> I have had problems using the NVS08 where the satellites somehow get
> negative elevation values.  This has occurred even after the latest
> RTKLIB patch has been applied.  I cannot recreate it, do not know what
> caused it.  RTKLIB had been running for a number of hours it showed it
> no longer had any position and the elevation values were negative.
> Glenn
>
> --
> Glenn Thorpe
> 8 Dixon Drive, Holder, ACT, 2611, Australia
> ph +61 2 6288 5748
> glenn at thorpies.com
>
>
>
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