Subject: [IGEXMail-0467] Wk 1005 JPL IGEX Analysis Report
From: Da Kuang <[email-masked]>
Date: 09 Sep 1999 01:20:16

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IGEX Electronic Mail    09-Sep-1999 01:20:16                   Message No 0467
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Author: Da Kuang <[email-masked]>
Subject: Wk 1005 JPL IGEX Analysis Report

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JPL IGEX ANALYSIS REPORT FOR GPS-WEEK 1005 (DATE 99APR11 TO 99APR17)
*****************************************************************************
Submitted by: Jet Propulsion Laboratory (JPL)
              California Institute of Technology
              4800 Oak Grove Drive
              Pasadena, CA 91109, USA
              Phone: (818)-354-8332; Fax: (818)-393-4965
              [email-masked]

Submitted files:
              jpx1005n.sp3 -- 24 hours ephemerids files of the solution;
              jpx10057.sum -- this file.

-----------------------------------------------------------------------------
Solution Strategy
-----------------------------------------------------------------------------
 - Software: GIPSY/OASIS II.
 - Data:
   Undifferenced dual frequency pseudorange and carrier phase measurement. 
 - Orbit arc length:
   For each day, 72 hours of data are processed to solve for a 30-hour long
   orbit arc solution.
 - Procedures:
   1. Solve for station position, receiver clock and tropospheric delay
      from GPS data by fixing GPS orbit and transmitter clock;
   2. Solve for GLONASS orbit and transmitter clock from GLONASS data
      by fixing the station position and tropospheric delay to the solution 
      of step 1, also solved are position and tropospheric delay of the 
      stations that track GLONASS only, receiver clock bias between GPS and 
      GLONASS tracking. 
 - Parameters:
   - GPS orbit and clock: fixed to the JPL IGS/FLINN solution;
   - GLONASS orbit: 6 initial states, global solar radiation scale, Y-bias,
                    plus stochastic variation of radiation scale factor
                    in body-fixed X and Z direction, and Y-bias;
   - GLONASS clock: white noise bias at each measurement time;
   - Station position: static over the orbit solution period;
   - Tropospheric zenith delay: random walk process;
   - Receiver clock: white noise bias at each measurement time;
   - Receiver clock bias between GPS and GLONASS tracking: 
     random walk process.
 - Reference clock for GLONASS:
   Clocks of following stations, as determined in the Point Positioning 
   solution from GPS data in procedure step 1, are chosen as the reference 
   clocks:
	99apr11:  REFCLOCK  = 'IRKZ'
	99apr12:  REFCLOCK  = 'IRKZ'
	99apr13:  REFCLOCK  = 'IRKZ'
	99apr14:  REFCLOCK  = 'IRKZ'
	99apr15:  REFCLOCK  = 'IRKZ'
	99apr16:  REFCLOCK  = 'IRKZ'
	99apr17:  REFCLOCK  = 'IRKZ'
 
------------------------------------------------------------------------
ORBIT OVERLAP ERROR (CM)  
------------------------------------------------------------------------
 
 Orbit error is computed based on 6 hours of overlapping orbit:
 
              24 hours       3 hours
   ---|---------------------|---
                         ---|----------------------|---
                     3 hours         24 hours 
 
 3D mean rms = sqrt((rms_x**2 + rms_y**2 + rms_z**2)/3)
 
Sat  99apr11 99apr12 99apr13 99apr14 99apr15 99apr16 99apr17
------------------------------------------------------------
01	  3	  3	  5	  9	  6	  6	
03	  2	  4	 17	  6	 14	  4	
04	  3	  3	  9	 10	  9	  5	
06	 11	  5	  6	 18	  7	  7	
07	 16	  6	  9	  3	 11	  6	
08	  8	 24	 38	 21	 15	 34	
09	 17	  6	 15	 11	  6	  6	
10	 53	 73	1651	3089	3093	248	
11	  4	  2	  7	 13	 36	 10	
13	  3	  7	  4	  6	 17	  8	
16	119	 29	 31	 15	 19	 49	
17	 17	  4	  8	  8	 12	  7	
20	  4	  3	 10	  6	  9	 10	
22	 16	 11	  2	  6	  8	  4	
 
------------------------------------------------------------------------
STATION POSITION REPEATABILITY (MM) 
------------------------------------------------------------------------
 
In the solution of each day, a site may be a Fiducial site, 
a Regular site, or a GPS site.
  F -- Fiducial site, solved from GPS data and held fixed in GLO OD;
  R -- Regular site, solved from the GLO data with GLO OD;
  G -- GPS site, solved from GPS data, not involved in GLO OD;
  N -- Not used, either no data or data is not good;
 
Site  0123456     X     Y     Z    East  North  Vertical
--------------------------------------------------------
3SNA  NNNRRRR      7    10    16    11    10    13 
BIPD  RRRRRRR      6    19    11    19     5    11 
BORG  RRRRRRR     11     3    13     7     1    16 
BRUG  NNNRNNN      0     0     0     0     0     0 
CSIR  NNNRRRN    269   383   102   279    78   381 
DLFT  GGFFFFF      3     2     3     2     0     5 
DLRA  RRRRRRR      9     4     9     6     1    12 
GODZ  GFFFFFF      0     3     2     1     0     4 
GRAB  GGFFGGG      6     3     5     3     1     8 
HERP  RRRRRNN     16    20    16    20     4    23 
IRKZ  FFFFFFF      1     3     3     0     0     4 
KR0G  GGGGGFF      1     3     5     2     1     5 
LDS1  RRGGNNN    105     4   145     1     0   179 
LDS2  GGGGGGG     18     6    22     6     2    29 
LINR  NNNRRRR     38   104    27   100    12    54 
LRBA  FFFFFFF      2     4     1     4     1     2 
MDOA  FFFRRRR      5    10     6     3     0    12 
MDVZ  FFFFFFF      1     2     1     2     0     2 
METZ  FFFFFFF      1     2     3     1     1     3 
MTKA  FFFGGGG      2     1     1     1     0     3 
NKLG  GNNNNNN      0     0     0     0     0     0 
NPLC  NNNNNNR      0     0     0     0     0     0 
NTZ3  GGGGGGG      1     1     1     0     0     2 
OS0G  FFFGGGF      2     1     3     1     0     4 
REUN  NNFFGGG     13     6     9     9     6    13 
REYZ  NNFFGGG      9     2    17     4     1    19 
SL1X  FFFFFFF      3     2     1     3     0     3 
STRR  FFFFFFF      2     1     1     1     0     2 
TSKA  FFFFFGG      2     1     1     1     0     2 
WTZZ  FFFGGNG      2     2     1     2     1     2 
YARR  NNFFFFF      2     5     2     4     1     4 
ZIMJ  NNNNGGG      5     3     6     2     0     8 
ZIMZ  FFFFFFG      2     3     2     2     0     3