Subject: [IGEXMail-0396] Wk 0996 JPL IGEX Analysis Report
From: Da Kuang <[email-masked]>
Date: 28 Jun 1999 21:32:54

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IGEX Electronic Mail    28-Jun-1999 21:32:54                   Message No 0396
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Author: Da Kuang <[email-masked]>
Subject: Wk 0996 JPL IGEX Analysis Report

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JPL IGEX ANALYSIS REPORT FOR GPS-WEEK 0996 (DATE 99FEB07 TO 99FEB13)
*****************************************************************************
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:
              jpx0996n.sp3 -- 24 hours ephemerids files of the solution;
              jpx09967.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:
	99feb07:  REFCLOCK  = 'KHAB'
	99feb08:  REFCLOCK  = 'KHAB'
	99feb09:  REFCLOCK  = 'KHAB'
	99feb10:  REFCLOCK  = 'IRKZ'
	99feb11:  REFCLOCK  = 'IRKZ'
	99feb12:  REFCLOCK  = 'IRKZ'
	99feb13:  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  99feb07 99feb08 99feb09 99feb10 99feb11 99feb12 99feb13
------------------------------------------------------------
03	 33	 13	 20	  9	 12	  8	
04	 47	 40	 10	  6	 21	 41	
06	 12	 11	 28	 20	 16	 22	
07	  7	 15	 27	 10	 20	  7	
08	 24	 22	 14	 12	 16	 15	
09	 43	 17	 33	  9	 45	 16	
10	10635	6853	406	117	196	263	
11	 20	 15	  7	 12	 20	 35	
13	 28	 16	 19	 10	 10	  7	
16	100	 16	 57	 12	 33	 15	
17	 16	 21	 17	 24	 28	 21	
18	 15	 16	  9	 17	 36	  5	
20	 20	  9	  9	 18	 13	 20	
22	 28	 10	 16	  8	 29	  8	
 
------------------------------------------------------------------------
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  RRRRRRR     54    84    77    27    16   122 
BORG  RNNNRRR     20    56     8    59    10     7 
BRUG  RRRRRRR      7    28    10    28     2    12 
CRAR  GNNNNNN      0     0     0     0     0     0 
CSIR  RRRRRNN   1805  1327   518   513   492  2187 
DLRA  NRRRRRR     13    34    18    35     8    19 
GRAB  GGFGGGG      2     1     2     2     0     2 
HERP  RRRRRRR     20     7    42     7    12    45 
IRKZ  RRRFFFF      6     3     3     7     2     4 
KHAB  FFFFFFF      2     1     1     2     0     1 
KR0G  FFFFFFF      2     2     2     3     1     2 
LDS1  GNGGGGG     11     6    19     6     3    22 
LDS2  GGGGGGG     16     9    16    10     3    22 
LINR  NRRRNNN     53    72     7    89    12     6 
LRBA  FFFFFFF      3     5     1     5     1     3 
MAGD  RRRRRRR      2     1     2     1     1     2 
MDOA  RGGGGRR      5    18    10     9     2    20 
MDVZ  FFFFFFF      2     4     2     4     1     3 
METZ  GGGGFFF      5     3     4     3     2     7 
NKLG  NNNNNGG      8     3     3     2     3     9 
NTZ3  GGGGGGG      3     1     3     1     0     4 
OS0G  FFFFFFF      2     2     2     2     0     3 
PKST  RRRRRRR      4     3     6     1     1     8 
REUN  NNGGGGF      3    13     5     8     2    11 
STRR  FFFFFFF      4     4     2     5     0     3 
SUNM  FFFFFFF     15    13     5    17     1    12 
SVT3  GGNNNNN      4     5     8     2     1    10 
THU2  GFFFGGN      1     2     8     2     0     8 
TSKA  FFFFFFF      3     2     0     3     0     1 
WTZZ  GFFFFFF      2     0     2     1     0     3 
YAKT  RRRRRRR      9     7     1    12     1     2 
YARR  GGFGGNN      5     1     1     4     0     2 
ZIMJ  NNNNNNG      0     0     0     0     0     0 
ZIMZ  NGGFFFF      3     1     2     1     1     4