[IGSMAIL-224] GFZ Analysis Report (week 685)

Potsdam G.
Mon Mar 15 20:10:37 PST 1993


IGS Electronic Mail       15-MAR-1993 20:10:37       Message Number 224
***********************************************************************
 

From:	G. Gendt (Potsdam)	
Subj:   GFZ Analysis Report (week 685)
--------------------------------------



******************************************************************************
GFZ ANALYSIS REPORT    GPS-WEEK 0685 (DAYS 52-58, DATES 21-02-93 TO 27-02-93)
******************************************************************************

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:
______________________________________________________________________________
gfz06857.sum           this text file
gfz06857.erp           Earth rotation parameters
gfz0685[0-6].eph       Daily orbit ephemerides , SP1 format
______________________________________________________________________________


ERP RESULT


  MJD        X        Y      UT1-IAT     XSIG    YSIG                  STA SAT
           arcsec   arcsec     sec      arcsec  arcsec
49039.500  0.19083  0.23189 -27.063315  0.00004 0.00003  0. 0. 0. 0. 0. 21 21
49040.500  0.18842  0.23024 -27.065945  0.00003 0.00003  0. 0. 0. 0. 0. 20 21
49041.500  0.18602  0.22879 -27.068575  0.00003 0.00003  0. 0. 0. 0. 0. 21 21
49042.500  0.18382  0.22684 -27.071205  0.00003 0.00003  0. 0. 0. 0. 0. 19 21
49043.500  0.18130  0.22422 -27.073835  0.00004 0.00004  0. 0. 0. 0. 0. 18 21
49044.500  0.17928  0.22229 -27.076486  0.00006 0.00006  0. 0. 0. 0. 0. 18 21
49045.500  0.17745  0.22040 -27.079158  0.00004 0.00004  0. 0. 0. 0. 0. 19 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
-----------------------------------------------------------------------
052  66  87 64100104 42 44 42140 91 77 30 13143129 56 34 31 42101 66123
053  41  21 41 13 18 20 18 43 22 50 60 21 10 75 57 20 43 17 45 28 46 81
054  51  24 39 33 13 34 22 37 22104 50 34 33107 50 58 26 15 55 29 50 86
055  41  32 48 13 19 26 18 44 30 46 46 18 29 79 78 40 19 15 43 32 28 60
056  41  27 53 18 20 14 21 50 30 63 31 25 58 45 62 21 26 32 40 33 31 85
057  50  39 33 17 51 28 26 56 48101 55 37 60 44 67 25 35 49 21 77 37 57
058  57  32 72 18 26 15 18 59 26 72128 24101 60 46 52 36 48 39155 95107
------------------------------------------------------------------------



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 4 minutes

 IGS  INTERNAL         OBSERVATIONS for DAY
 CODE  STA#        52   53   54   55   56   57   58
----------------------------------------------------
kosg  110001      1834 2242 2196 2183 2151 1484 1639
madr  120001      1496 1178 1611 2132 2075 1743 1599
mate  130001      1893 1818  280    0    0    0    0
trom  150001      2058 2394 1026    0    0  771 1940
wetb  160001      1848 2218 2216 2218 2210 1538 1655
usud  200001      2039 2100 2102 2073 2064 1959 1992
taiw  220001      1586 2056 2063 1811 1784 1637 1489
tidb  305001      1772 1280 1990 2173 1946 1313 1601
algo  400001      1756 2174 2156 2154 2151 1251 1621
stjo  405001      1787 2119 2120 2116 2097 1342 1649
gold  410001      1862 1935 1966 2091 2040 2000 1941
jplm  415001      2100 2090 2097 2100 2092 2084 2099
fair  420001      1976 2028 2059 1718  162    0  909
yell  470001      1991 2192 2176 2176 2161 1446 1847
rcm2  480001      2134 2122 2149 2130 1998 2120 1610
sant  500001      1783 1696 1938 1474    0 1289 1513
hart  600001      1306 1270 1544 1509 1087  945 1062
masp  610001      1864 2200 2212 2194 2170 1452 1685
kokb  700001      2155 2169 2179 2179 2174 2120 2172
pama  710001      2008 1948 2063 2018 1887  970 1976
mcmu  800001       707    0 1870 2344 1337    0    0
----------------------------------------------------



SATELLITES STATISTICS

                OBSERVATIONS for DAY
PRN      52   53   54   55   56   57   58
------------------------------------------
  1    1655 1917 1776 1803 1562 1137 1497
  2    1817 1948 1989 1960 1770 1433 1509
  3    1705 1703 1822 1836 1570 1235 1563
 11    1564 1934 1937 1896 1697 1493 1216
 12    2083 1930 1844 1810 1488 1394 1706
 13    2605 2336 2473 2398 2015 2124 2377
 14    1905 2020 2035 1938 1619 1505 1483
 15    1616 2019 1955 1935 1742 1504 1293
 16    1818 1755 1920 1819 1562 1521 1703
 17    1416 1616 1656 1593 1350  816 1264
 18    1896 1815 1991 1811 1566 1590 1741
 19    1662 1651 1723 1550 1286 1087 1334
 20    1955 1855 1869 1897 1668 1163 1734
 21    1536 1837 1724 1748 1522 1028 1125
 23    1670 1761 1716 1745 1544  986 1307
 24    2309 2181 2297 2142 1864 1931 2216
 25    1914 1947 1886 1810 1546 1043 1665
 26    1735 1817 1876 1908 1685 1181 1554
 27    1696 1643 1793 1706 1477 1153 1310
 28    1456 1714 1831 1702 1483  830  885
 29    1942 1830 1900 1786 1570 1310 1517
------------------------------------------



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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