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Hi,<br>
Did you switch off integer ambiguity resolution for Glonass under
"Options/Setting2" in RTKnavi?<br>
Leave it enable for GPS<br>
This is necesary when using GPS plus GLO otherwise a good fix is
almost certainly not possible.<br>
Regards<br>
Anthony <br>
<br>
<div class="moz-cite-prefix">On 01/09/2015 09:53, BREMAUD
Jean-Charles wrote:<br>
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<div class="WordSection1">
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I ‘m currently trying to use rtklib with
GPS and GLONASS using L1 only signal, and I never got a fix.<o:p></o:p></p>
<p class="MsoNormal">Various tests were performed in :<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman"">
</span></span><!--[endif]-->post-processing mode (RTKPOST)
in static and single, with various types of receiver (Ublox M8
raw data , and from national French CORS stations)<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">-<span style="font:7.0pt "Times
New Roman"">
</span></span><!--[endif]-->real-time (RTKNAVI) in static
and single (Ublox M8 are used as raw data sources)<o:p></o:p></p>
<p class="MsoNormal">In GPS only all tests are OK, but when
Glonass is activated no way to have a fix.<o:p></o:p></p>
<p class="MsoNormal">For each epoch, the returned error message
is always : <span
style="font-size:9.0pt;font-family:"Courier
New";color:black">
point pos error (chi-square error nv=9 vv=882.4 cs=13.8)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:9.0pt;font-family:"Courier
New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Using RTKMonitor
in RTKNAVI, I can see that residuals are very high.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Any ideas, or
suggestions ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Thanks for your
help.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Jean-Charles</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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