[FOSS-GPS] RTKlib using GPS and GLONASS
arwooldridge
arwooldridge at googlemail.com
Tue Sep 1 10:04:35 PDT 2015
Hi Jean-Charles,
Sorry I did not read your OP carefully enough to see you are working in
single mode.
I have little experience with single mode in RTKlib except to say I have
always had bad results whenever kinematic mode reverts to single in
RTKnavi, the single solution ( in RTKnavi) seems always much worse than
a basic OEM chip gps single solution would be.
Possibly something to do with the dynamic vehicle mode settings (or lack
of them?) in single.
I see little point in using single in RTKlib except as a fallback mode
when signals or satelite numbers are insufficient.
However I agree single mode in RTKlib should be better than it is.
Regards
Anthony
On 01/09/2015 11:58, BREMAUD Jean-Charles wrote:
>
> Hi Anthony,
>
> In Static mode, I have tried to play with this setting without any success
>
> In single mode this setting is greyed, and it is not working neither.
>
> In single the configuration file is :
>
> pos1-posmode =single #
> (0:single,1:dgps,2:kinematic,3:static,4:movingbase,5:fixed,6:ppp-kine,7:ppp-static)
>
> pos1-frequency =l1 #
> (1:l1,2:l1+l2,3:l1+l2+l5,4:l1+l2+l5+l6,5:l1+l2+l5+l6+l7)
>
> pos1-soltype =forward # (0:forward,1:backward,2:combined)
>
> pos1-elmask =15 # (deg)
>
> pos1-snrmask_r =off # (0:off,1:on)
>
> pos1-snrmask_b =off # (0:off,1:on)
>
> pos1-snrmask_L1 =0,0,0,0,0,0,0,0,0
>
> pos1-snrmask_L2 =0,0,0,0,0,0,0,0,0
>
> pos1-snrmask_L5 =0,0,0,0,0,0,0,0,0
>
> pos1-dynamics =off # (0:off,1:on)
>
> pos1-tidecorr =off # (0:off,1:on,2:otl)
>
> pos1-ionoopt =brdc #
> (0:off,1:brdc,2:sbas,3:dual-freq,4:est-stec,5:ionex-tec,6:qzs-brdc,7:qzs-lex,8:vtec_sf,9:vtec_ef,10:gtec)
>
> pos1-tropopt =saas # (0:off,1:saas,2:sbas,3:est-ztd,4:est-ztdgrad)
>
> pos1-sateph =brdc #
> (0:brdc,1:precise,2:brdc+sbas,3:brdc+ssrapc,4:brdc+ssrcom)
>
> pos1-posopt1 =off # (0:off,1:on)
>
> pos1-posopt2 =off # (0:off,1:on)
>
> pos1-posopt3 =off # (0:off,1:on)
>
> pos1-posopt4 =off # (0:off,1:on)
>
> pos1-posopt5 =off # (0:off,1:on)
>
> pos1-exclsats = # (prn ...)
>
> pos1-navsys =5 # (1:gps+2:sbas+4:glo+8:gal+16:qzs+32:comp)
>
> pos2-armode =off #
> (0:off,1:continuous,2:instantaneous,3:fix-and-hold)
>
> pos2-gloarmode =off # (0:off,1:on,2:autocal)
>
> pos2-bdsarmode =off # (0:off,1:on)
>
> pos2-arthres =3
>
> pos2-arlockcnt =0
>
> pos2-arelmask =0 # (deg)
>
> pos2-arminfix =10
>
> pos2-elmaskhold =0 # (deg)
>
> pos2-aroutcnt =5
>
> pos2-maxage =30 # (s)
>
> pos2-syncsol =off # (0:off,1:on)
>
> pos2-slipthres =0.05 # (m)
>
> pos2-rejionno =30 # (m)
>
> pos2-rejgdop =1000
>
> pos2-niter =1
>
> pos2-baselen =0 # (m)
>
> pos2-basesig =0 # (m)
>
> out-solformat =llh # (0:llh,1:xyz,2:enu,3:nmea)
>
> out-outhead =off # (0:off,1:on)
>
> out-outopt =off # (0:off,1:on)
>
> out-timesys =gpst # (0:gpst,1:utc,2:jst)
>
> out-timeform =hms # (0:tow,1:hms)
>
> out-timendec =3
>
> out-degform =deg # (0:deg,1:dms)
>
> out-fieldsep =
>
> out-height =ellipsoidal # (0:ellipsoidal,1:geodetic)
>
> out-geoid =internal #
> (0:internal,1:egm96,2:egm08_2.5,3:egm08_1,4:gsi2000)
>
> out-solstatic =all # (0:all,1:single)
>
> out-nmeaintv1 =0 # (s)
>
> out-nmeaintv2 =0 # (s)
>
> out-outstat =off # (0:off,1:state,2:residual)
>
> stats-eratio1 =100
>
> stats-eratio2 =100
>
> stats-errphase =0.003 # (m)
>
> stats-errphaseel =0.003 # (m)
>
> stats-errphasebl =0 # (m/10km)
>
> stats-errdoppler =1 # (Hz)
>
> stats-stdbias =30 # (m)
>
> stats-stdiono =0.03 # (m)
>
> stats-stdtrop =0.3 # (m)
>
> stats-prnaccelh =10 # (m/s^2)
>
> stats-prnaccelv =10 # (m/s^2)
>
> stats-prnbias =0.0001 # (m)
>
> stats-prniono =0.001 # (m)
>
> stats-prntrop =0.0001 # (m)
>
> stats-clkstab =5e-12 # (s/s)
>
> ant1-postype =llh #
> (0:llh,1:xyz,2:single,3:posfile,4:rinexhead,5:rtcm)
>
> ant1-pos1 =90 # (deg|m)
>
> ant1-pos2 =0 # (deg|m)
>
> ant1-pos3 =-6335367.6285 # (m|m)
>
> ant1-anttype =
>
> ant1-antdele =0 # (m)
>
> ant1-antdeln =0 # (m)
>
> ant1-antdelu =0 # (m)
>
> ant2-postype =llh #
> (0:llh,1:xyz,2:single,3:posfile,4:rinexhead,5:rtcm)
>
> ant2-pos1 =90 # (deg|m)
>
> ant2-pos2 =0 # (deg|m)
>
> ant2-pos3 =-6335367.6285 # (m|m)
>
> ant2-anttype =
>
> ant2-antdele =0 # (m)
>
> ant2-antdeln =0 # (m)
>
> ant2-antdelu =0 # (m)
>
> misc-timeinterp =off # (0:off,1:on)
>
> misc-sbasatsel =0 # (0:all)
>
> misc-rnxopt1 =
>
> misc-rnxopt2 =
>
> file-satantfile =
>
> file-rcvantfile =
>
> file-staposfile =
>
> file-geoidfile =
>
> file-ionofile =
>
> file-dcbfile =
>
> file-eopfile =
>
> file-blqfile =
>
> file-tempdir =C:\Temp
>
> file-geexefile =
>
> file-solstatfile =
>
> file-tracefile =
>
> #
>
> inpstr1-type =serial #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,7:ntripcli,8:ftp,9:http)
>
> inpstr2-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,7:ntripcli,8:ftp,9:http)
>
> inpstr3-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,7:ntripcli,8:ftp,9:http)
>
> inpstr1-path =COM20:115200:8:n:1:off
>
> inpstr2-path =
>
> inpstr3-path =
>
> inpstr1-format =ubx #
> (0:rtcm2,1:rtcm3,2:oem4,3:oem3,4:ubx,5:ss2,6:hemis,7:skytraq,8:gw10,9:javad,10:nvs,11:binex,12:rt17,15:sp3)
>
> inpstr2-format =ubx #
> (0:rtcm2,1:rtcm3,2:oem4,3:oem3,4:ubx,5:ss2,6:hemis,7:skytraq,8:gw10,9:javad,10:nvs,11:binex,12:rt17,15:sp3)
>
> inpstr3-format =rtcm2 #
> (0:rtcm2,1:rtcm3,2:oem4,3:oem3,4:ubx,5:ss2,6:hemis,7:skytraq,8:gw10,9:javad,10:nvs,11:binex,12:rt17,15:sp3)
>
> inpstr2-nmeareq =off # (0:off,1:latlon,2:single)
>
> inpstr2-nmealat =0 # (deg)
>
> inpstr2-nmealon =0 # (deg)
>
> outstr1-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,6:ntripsvr)
>
> outstr2-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,6:ntripsvr)
>
> outstr1-path =
>
> outstr2-path =
>
> outstr1-format =llh # (0:llh,1:xyz,2:enu,3:nmea)
>
> outstr2-format =llh # (0:llh,1:xyz,2:enu,3:nmea)
>
> logstr1-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,6:ntripsvr)
>
> logstr2-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,6:ntripsvr)
>
> logstr3-type =off #
> (0:off,1:serial,2:file,3:tcpsvr,4:tcpcli,6:ntripsvr)
>
> logstr1-path =
>
> logstr2-path =
>
> logstr3-path =
>
> misc-svrcycle =10 # (ms)
>
> misc-timeout =10000 # (ms)
>
> misc-reconnect =10000 # (ms)
>
> misc-nmeacycle =5000 # (ms)
>
> misc-buffsize =32768 # (bytes)
>
> misc-navmsgsel =rover # (0:all,1:rover,2:base,3:corr)
>
> misc-proxyaddr =
>
> misc-fswapmargin =30 # (s)
>
> Thanks, for your advice.
>
> Jean-Charles
>
> *De :*foss-gps-bounces at lists.osgeo.org
> [mailto:foss-gps-bounces at lists.osgeo.org] *De la part de* arwooldridge
> *Envoyé :* mardi 1 septembre 2015 12:31
> *À :* foss-gps at lists.osgeo.org
> *Objet :* Re: [FOSS-GPS] RTKlib using GPS and GLONASS
>
> Hi,
> Did you switch off integer ambiguity resolution for Glonass under
> "Options/Setting2" in RTKnavi?
> Leave it enable for GPS
> This is necesary when using GPS plus GLO otherwise a good fix is
> almost certainly not possible.
> Regards
> Anthony
>
> On 01/09/2015 09:53, BREMAUD Jean-Charles wrote:
>
> Hi,
>
> I ‘m currently trying to use rtklib with GPS and GLONASS using L1
> only signal, and I never got a fix.
>
> Various tests were performed in :
>
> -post-processing mode (RTKPOST) in static and single, with various
> types of receiver (Ublox M8 raw data , and from national French
> CORS stations)
>
> -real-time (RTKNAVI) in static and single (Ublox M8 are used as
> raw data sources)
>
> In GPS only all tests are OK, but when Glonass is activated no way
> to have a fix.
>
> For each epoch, the returned error message is always : point pos
> error (chi-square error nv=9 vv=882.4 cs=13.8)
>
> Using RTKMonitor in RTKNAVI, I can see that residuals are very high.
>
> Any ideas, or suggestions ?
>
> Thanks for your help.
>
> Jean-Charles
>
>
>
>
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