[FOSS-GPS] PPP with RTKLib: RINEX O- and N- files?
yjmenezes at yahoo.com.br
Wed Dec 18 11:28:45 PST 2013
Dear Anders Wallin
I am interested on PPP too.
<< Does this have something to do with the PPP mode kinematic/static/fixed?
<< Is there a way to tell RTKPOST that my receiver is fixed, no Nav data is required,
<< and it processes just the Observation data?
For post-process PPP, i think you will need precise SP3‐c precise orbits (sp3 ) , clock and ion ( *I ).
As your receiver is not moving, PPP-static and other options.
For GNU/Linux CUI rnx2rtkp there are only 6:ppp-kinematic,7:ppp-static modes.
Perhaps setup informations about site displacement by earth tides, antenna phase center...
Fixed, i guess, is special mode provided by RTKLIB. It’s similar to static with the difference that rover’s initial position is known. Some one here can answer about it.
If you have NTRIP access you can performe Real‐time PPP with real‐time satellite orbit and clock provided as a NTRIP stream. ( RTKNAVI or rtkrcv )
Em Quarta-feira, 18 de Dezembro de 2013 15:20, Anders Wallin <anders.e.e.wallin at gmail.com> escreveu:
I want to do PPP calculations based on RINEX files produced by a Dicom GTR51 timing/GPS receiver.
By default it produces RINEX 3.10 files with a filename O.Z which I assume is Observation data which is zipped - and this is the data I would like to use for the calculations.
But when I feed this to RTKPOST I get an error "no nav data"
I was able to succeed with this by manually exporting both an N-file and an O-file from the GTR51.
When both of these are used as input to RTKPOST, I get a PPP solution.
Does this have something to do with the PPP mode kinematic/static/fixed?
Is there a way to tell RTKPOST that my receiver is fixed, no Nav data is required, and it processes just the Observation data?
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