[teqc] qc of L5 for GPS and Galileo
Ambrogio Maria Manzino
ambrogio.manzino at polito.it
Tue Aug 26 04:08:31 MDT 2008
Dear Lou,
how do you think abuout "Andrew Simsky" method, to evaluate phase multipath for three frequency - phase signals?
http://www.insidegnss.com/pdf/IGM-0806-038-041.pdf
With best regards,
Ambrogio
----- Original Message -----
From: "Lou Estey" <lou at unavco.org>
To: "teqc support" <teqc at ls.unavco.org>
Sent: Wednesday, August 13, 2008 5:46 PM
Subject: [teqc] qc of L5 for GPS and Galileo
> All,
>
> GPS L5 is coming -- launch of GPS Block IIRM-7/IIR-20M with an
> L5 demonstration signal (1176.45 MHz) is still scheduled for
> later in 2008 and then multiple launches of GPS Block IIF with
> L5 is still scheduled for 2009 in order to meet the ITU
> deadline for the L5 allocation by 26 Aug 2009 -- and prototype
> Galileo "L5" (E5a, also at 1176.45 MHz) has been transmitting
> for a while now. Septentrio asked me to update teqc to read
> their new GNSS SBF messages with includes Galileo data, and they
> kindly provided a 1-s sample tracking using their AsteRx2 receiver
> of GPS and GIOVE-B which includes (RINEX 2.11-wise) GPS L1 and C1
> and Galileo L1, L5, C1, and C5 (see table in 10.1.1 of
> http://www.aiub.unibe.ch/download/rinex/rinex211.txt ).
>
> This is still preliminary for teqc, but the general idea for a qc
> modification that includes L5 observables is to have in the ASCII
> time plot:
>
> E31|ssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss|E31
>
> -- 's' meaning L1, C1, L5, and C5 observables were collected --
>
> Moving average MP1 : 0.357422 m
> Moving average MP2 : 0.000000 m
> Moving average MP5 : 0.067547 m
>
> (no mp1 or mp2 could be computed with the supplied data due since
> there was no tracking on the L2-carrier)
>
> first epoch last epoch hrs dt #expt #have % mp1 mp2 mp5 o/slps
> SUM 08 8 5 18:00 08 8 5 18:15 .2506 1 8118 0 0 0.36 0.00 0.07 0
>
> -- and with +ssv:
>
> Individual SV Summaries:
> id #expt #have #del % mp1 mp21 mp5 o/slp
> SSV 2 0 0 0 0 0.00 0.00 0.00 0
> SSV 5 902 0 902 0 0.00 0.00 0.00 0
> SSV 6 0 0 0 0 0.00 0.00 0.00 0
> SSV 10 902 0 902 0 0.00 0.00 0.00 0
> SSV 12 0 0 0 0 0.00 0.00 0.00 0
> SSV 16 902 0 902 0 0.00 0.00 0.00 0
> SSV 21 902 0 902 0 0.00 0.00 0.00 0
> SSV 23 902 0 902 0 0.00 0.00 0.00 0
> SSV 24 902 0 902 0 0.00 0.00 0.00 0
> SSV 29 902 0 902 0 0.00 0.00 0.00 0
> SSV 30 902 0 902 0 0.00 0.00 0.00 0
> SSV 31 902 0 902 0 0.00 0.00 0.00 0
> SSV E31 0 0 0 0 0.36 0.00 0.07 0
>
> -- assuming I did the mp1 and mp5 right on the GIOVE-B data.
>
> Since this will obviously change things like the SUM (and new alternate
> summary line, SWN) and the individual SV summary lines, this can't yet
> be a default behaviour for teqc. Just as with early L2C tracking where
> I included a "+C2" option to kick that into gear in teqc, I'm considering
> adding a "+L5" option to allow the above "mp5" additions and a few other
> things in the qc related to L5 to be output.
>
> Comments? Questions?
>
> --lou
>
> p.s. I'm only around for another hour or so today, and then out of the
> office until the latter part of next week, and then gone again until
> Sept 2 or 3.
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Louis H. Estey, Ph.D. office: [+001] 303-381-7456
> UNAVCO, 6350 Nautilus Drive FAX: [+001] 303-381-7451
> Boulder, CO 80301-5554 e-mail: lou unavco.org
> WWW: http://www.unavco.org http://jules.unavco.org
>
> "If the universe is the answer, what is the question?"
> -- Leon Lederman
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> _______________________________________________
> teqc mailing list
> teqc at ls.unavco.org
> http://ls.unavco.org/mailman/listinfo/teqc
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://ls.unavco.org/pipermail/teqc/attachments/20080826/7e3029b0/attachment.html
More information about the teqc
mailing list