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Francesco Mancino: <br>
You do not need to send NMEA <u>from</u> it, you probably need to
send RTCM <u>to</u> it. You probably can not do classical RTK
with it. <br>
<br>
If you are planning to use a DGPS corrections (not RTK), then it is
likely the GNSS chip itself will do the navigation filter for you
(in other words it is not externally done with RTKLIB and RTKnavi).
If that is your chosen path, seek for a local RTCM2.x data stream
(local meaning <50km or so) and figure out how to send that data
directly to you GNSS. <br>
<br>
I am not familiar with the "Emtac BT GPS receiver" but a quick web
search tells me that is uses the older SiRF Star II LP chip set and
therefore it seems to use only WAAS/EGNOS corrections. You need to
research that point first and foremost to be sure that it can accept
DGPS from other sources. As far as I am aware you will not get
code and carrier from it, so there is not means to do an RTK style
navigation solution. RTKLIB can do a DGPS navigation solution, if
you can get raw code from it. <br>
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Regards DC Kelley<br>
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<div class="moz-cite-prefix">On 9/18/2016 5:34 PM, Francesco Mancino
wrote:<br>
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<p>Hi,</p>
<p>I'm using an <span style="font-family: Verdana, Helvetica;
font-size: 12px;">Emtac BT GPS receiver to acquire gps
signals but RTKNAVI does not support NMEA0183 format as
Rover input stream. Please can you give me any suggestions
to realize an input stream ( for a DGPS application )
without changing the receiver? </span></p>
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