[IGSMAIL-222] GFZ Analysis Report (week 683)

Potsdam G.
Mon Mar 15 19:44:32 PST 1993


IGS Electronic Mail       15-MAR-1993 19:44:32       Message Number 222
***********************************************************************
 

From:	G. Gendt (Potsdam)
Subj:	GFZ Analysis Report (week 683)
--------------------------------------



******************************************************************************
GFZ ANALYSIS REPORT    GPS-WEEK 0683 (DAYS 38-44, DATES 07-02-93 TO 13-02-93)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, Th. Nischan, W. Mai
              GeoForschungsZentrum Potsdam (GFZ)

              Telegrafenberg A17, O-1560 Potsdam, Germany
              e-mail:gend at gfz-potsdam.dbp.de
              fax: (0331) 310 648
              tel: (0331) 310 252


PRODUCT SUMMARY

FILES SENT TO CDDIS:
______________________________________________________________________________
gfz06837.sum           this text file
gfz06837.erp           Earth rotation parameters
gfz0683[0-6].eph       Daily orbit ephemerides , SP1 format
______________________________________________________________________________


ERP RESULT


  MJD        X        Y      UT1-IAT     XSIG    YSIG                  STA SAT
           arcsec   arcsec     sec      arcsec  arcsec
49025.500  0.20446  0.26400 -27.027593  0.00004 0.00004  0. 0. 0. 0. 0. 22 21
49026.500  0.20354  0.26194 -27.030095  0.00004 0.00004  0. 0. 0. 0. 0. 22 21
49027.500  0.20250  0.25919 -27.032597  0.00004 0.00004  0. 0. 0. 0. 0. 22 21
49028.500  0.20164  0.25645 -27.035099  0.00004 0.00004  0. 0. 0. 0. 0. 22 21
49029.500  0.20053  0.25377 -27.037621  0.00003 0.00003  0. 0. 0. 0. 0. 22 21
49030.500  0.19935  0.25145 -27.040163  0.00003 0.00003  0. 0. 0. 0. 0. 22 21
49031.500  0.19835  0.24880 -27.042705  0.00003 0.00003  0. 0. 0. 0. 0. 22 21
-------------------------------------------------------------------------------



ORBITS REPEATABILITY (cm):
(mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) )


            DAY 1  (32 h)              DAY 2  (32 h)
   |------------------------|--------|

                            |------------------------|--------|

   Six-hour overlap:        |xxxxxx|


-----------------------------------------------------------------------
    MEAN  1  2  3 11 12 13 14 15 16 17 18 19 20 21 23 24 25 26 27 28 29
-----------------------------------------------------------------------
038   35 17 42 31 24 17 31 29 32 32 44 35 22 59 49 22 41 31 18 54 28 28
039   40 23 59 31 19 22 21 37 27 38 31 34 34 65 62 37 39 29 69 42 36 24
040   41 27 63 31 25 28 29 39 35 38 28 36 30 68 57 32 39 42 64 43 30 25
041   45 23 60 82 19 17 18 27 27 52 48 20 36 69 58 44 40 35 74 52 23 28
042   41 20 51 34 20 16 17 43 30 43 37 28 34 75 48 18 32 32 58 69 23 50
043   42 17 56 11 18 18 17 27 27 45 47 34 34113 49 25 44 33 38 49 22 32
044   43 20 63 24 18 22 16 33 24 59 31 13 56 96 44 24 43 35 42 71 27 31
------------------------------------------------------------------------



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 4 minutes

 IGS  INTERNAL         OBSERVATIONS for DAY
 CODE  STA#        31   32   33   34   35   36   37
----------------------------------------------------
kosg  110001      2164 2170 2188 2078  785 1770 2208
madr  120001      2034 2002 1954 2038 2006 1943 1488
mate  130001      2139 2183 2126 2173 2174 2189 2194
trom  150001      2349 2159 2376 1792    0 1275 2450
wetb  160001      2031 2037 2055 1700 1586 1112 2027
usud  200001      2175 2177 2164 2151 2144 2147 2156
taiw  220001      2082 2099 2083 2087 2080 2058 2045
tidb  305001      2156 2152 2115 2080 2127 2202 1693
yar1  310001      2053 2062 2135 2179 2202 2217 2196
algo  400001      1949 1883 1949 2078 2168 2167 2142
stjo  405001      1932 1940 1944 1943 1946 1947 1949
gold  410001      2065 1977 1610 1607 1989 1979 1602
jplm  415001      2044 2043 2033 2099 2120 2116 2125
fair  420001      1615    0 1805 2205 2241 2257 2217
yell  470001      2140 2174 2221 2227 2216 1444 2179
rcm2  480001      2083 2040 2006 1222 1772 2104 2214
sant  500001      1860 1956 1249    0  945 1720 2056
hart  600001      1708 1528 1366 1490 1440 1682 1743
masp  610001      2209 2209 2136 2080 1796 1966 2116
kokb  700001      2074 1641    0    0    0    0    0
pama  710001      2041 2039 1823 1144 1801 2017 1981
mcmu  800001       651 1904    0 1534    0    0 2005
----------------------------------------------------



SATELLITES STATISTICS

                OBSERVATIONS for DAY
PRN      31   32   33   34   35   36   37
------------------------------------------
  1    1748 1699 1727 1509 1441 1598 1860
  2    2153 1999 1822 1809 1799 2025 2176
  3    1923 1880 1697 1691 1642 1695 1918
 11    2288 2288 2201 2098 1968 1980 2097
 12    2074 1944 1837 1885 1683 1844 2066
 13    2541 2428 2254 2197 1937 2312 2518
 14    2219 2219 2004 1860 1764 1923 2195
 15    2239 2239 2174 2074 1884 2008 2258
 16    1986 1918 1733 1794 1536 1650 1890
 17    1953 1945 1848 1719 1596 1678 1873
 18    2105 1976 1749 1710 1650 1777 2073
 19    1906 1835 1585 1619 1473 1601 1904
 20    1891 1834 1804 1790 1687 1777 2031
 21    2130 2078 2005 1831 1742 1848 2081
 23    2084 2035 1884 1787 1728 1840 1887
 24    2188 2148 1944 1961 1766 1972 2249
 25    2033 1981 1921 1693 1709 1840 2132
 26    2051 1982 1717 1814 1686 1844 1845
 27    2024 1976 1739 1728 1603 1723 1966
 28    2166 2115 2020 1856 1762 1789 1895
 29    1852 1856 1673 1482 1482 1588 1872
------------------------------------------



SOLUTION CHARACTERISTICS

1. Software used :    EPOS.P.V2
2. Definition of Terrestrial Reference Frame
     Fiducial-free adjustment of all station coordinates.
     These  coordinates are then fixed in the determination of ERPs and ORBITS

3. Data used:
   - unfifferenced carrier phases
   - 32 h arc solutions

5. Adjusted parameters:
   - state vector of all satellites
   - coordinate corrections
   - daily ERPs
   - tropospheric zenith path delay (8 h)
   - y-bias, solar radiation scaling factor
   - ambiguities
   - STA and SV clock parameters of each observation epoch





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