[teqc] FW: Trimble RTX and teqc

GeoNet Archive GeoNet.Archive at gns.cri.nz
Wed Feb 21 15:21:26 MST 2018


Can we please be removed from this email list? I have tried via the link at the bottom of the page but we continue to get bulk emails.

Thanks
Sara


From: teqc [mailto:teqc-bounces at postal.unavco.org] On Behalf Of Evon Silvia
Sent: Thursday, 22 February 2018 11:18
To: teqc support discussion list <teqc at postal.unavco.org>
Subject: Re: [teqc] Trimble RTX and teqc

I don't see L5 in your SUM files, but we've seen the Trimble conversion software drop L2C when L5 records are present from a particular satellite. This can be corrected by ensuring that you're writing RINEX 2.11 and not RINEX 2.10, which is the default for the Trimble software. Moral of the story is make sure you're using RINEX 2.11 in all conversion steps.

May or may not help in your situation, but it seemed relevant.

Evon

On Wed, Feb 21, 2018 at 12:36 PM, Lou Estey <lou at unavco.org<mailto:lou at unavco.org>> wrote:
Ok, what we've learned here is that the Trimble conversion is
including GPS L2C data and excluding GPS L2P(Y) pseudorange data compared
to the default teqc translation.  (However, the Trimble translation
must be including GPS L2P(Y) phase data because the RINEX L2 count
is non-zero for the GPS SVs where the RINEX C2 count is zero.
That's sort of odd ...)

However, you say that the teqc-produced RINEX in the RTX processing
is handling GPS ok, but not GLONASS.  For GLONASS, the big difference
is the lack of G1SA phase data in the teqc-produced RINEX.  This is
definitely not normal, but then again most of our GLONASS experience
from Trimble receivers is from the NetR9, not an R10 like you are
using.

I guess this will take looking at the raw data file from R10, which
you can email to me.  (Any short file will suffice.)

--lou


On 2018 Feb 21, 12:34 PM, John Hamilton wrote:
So here is the output from the trimble conversion:
          C1    C2    L1    L2    P2
         ----  ----  ----  ----  ----
    G01   240   240   240   240   240
    G10   240   240   240   240   240
    G12   232   232   232   232   232
    G14   240     0   240   240   240
    G22   240     0   240   240   240
    G25   240   240   240   240   240
    G31   240   240   240   240   240
    G32   240   240   240   240   240
    G26   170   170   170   170   170
    G03   154   154   154   154   154
    R02   240   240   240   240   240
    R03   240   240   240   240   240
    R04   240   240   240   240   240
    R12   170     0   170     0     0
    R13   240   240   240   240   240
    R14   240   240   240   240   240
    R15    82    82    82    82    82

and the teqc conversion...
          L1    L2    C1    P2    S1    S2
         ----  ----  ----  ----  ----  ----
    G10   240   240   240   240   240   240
    G32   240   240   240   240   240   240
    G14   240   240   240   240   240   240
    G31   240   240   240   240   240   240
    G25   240   240   240   240   240   240
    G22   240   240   240   240   240   240
    G01   240   240   240   240   240   240
    G12   232   232   232   232   232   232
    G26   170   170   170   170   170   170
    G03   154   154   154   154   154   154
    R04     0   240   240   240     0   240
    R14     0   240   240   240     0   240
    R13     0   240   240   240     0   240
    R12     0     0   170     0     0     0
    R03     0   240   240   240     0   240
    R02     0   240   240   240     0   240
    R15     0    82    82    82     0    82

I was not using any options, just teqc 42400510.tgd>42400510.18o. In the past I always used -tr d but discovered that was not necessary
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