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[IGSREPORT-8161] Wk 1108 GFZ Analysis Report



******************************************************************************
IGS Electronic Report   11 Apr 05:00:09 PDT 2001      Message Number 8161
******************************************************************************

Author : G. Gendt
Subject: Wk 1108 GFZ Analysis Report


******************************************************************************
GFZ ANALYSIS REPORT   GPS-WEEK 1108 (DAYS 091-097, DATES 01-04-01 TO 07-04-01)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, W. Soehne, Th. Nischan,
              W. Sommerfeld, G. Beeskow, 
              GeoForschungsZentrum Potsdam (GFZ)
             
              Telegrafenberg A17, D-14473 Potsdam, Germany
              e-mail:gendt @ gfz-potsdam.de
              fax: (0331) 288 1111
              tel: (0331) 288 1114 

PRODUCT SUMMARY

FILES SENT TO CDDIS: 
______________________________________________________________________________
gfz11087.sum           this text file
gfz11087.erp           Earth rotation parameters 
gfz11087.snx           Weekly SINEX File 
gfz1108[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________

anonymous-ftp: ftp.gfz-potsdam.de/pub/igsprod/igs
______________________________________________________________________________

ERP RESULT

GFZ    ERP-RESULTS for WEEK 1108       DAYS  090 - 097
____________________________________________________________________________________________________
  MJD       Xpole   Ypole   UT1R-TAI  LODR  Xsig Ysig UTsig LODsig Nr Nf Nt  X-RT  Y-RT  X-RTsig Y-RTsig
             E-6"    E-6"    .1usec .1us/d  E-6" E-6" .1 us .1us/d           E-6"  E-6"    E-6"    E-6"
51999.500   89672  490355 -319675804   8947    8    8   12   12    60 37 28  2011  -639      18      18
52000.500   91676  489698 -319684258   9199    6    7    9    9    64 37 27  1989  -685      12      13
52001.500   93717  489239 -319693247   8787    6    6    7    7    63 37 27  2171  -247      10      11
52002.500   95827  488839 -319702232   8665    6    6    8    8    63 37 27  2047  -634      10      11
52003.500   97975  488005 -319711218   8648    6    6    7    7    66 37 28  2350 -1048      10      11
52004.500  100322  487149 -319720462   8805    6    6    8    8    63 37 27  2475  -673      10      11
52005.500  102954  486828 -319729691   9125    6    6    8    8    61 37 28  2720    -6      10      11
52006.500  105611  486684 -319739399   9772    7    7   10   10    65 37 26  2583  -241      12      13
____________________________________________________________________________________________________




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


            DAY 1  (24 h)    pred.     DAY 2  (24 h)
   |------------------------|------|                            
 
                            |------------------------|

   Six-hour overlap:        |xxxxxx|


   (only rms < 120 are used for MEAN)

Note: E - indicates that the satellite is in eclipse

---------------------------------------------------
                 RMS for DAY
PRN  091    092    093    094    095    096    097    
-------------------------------------------------------
01     2      4      3      2      5      7      7  
02     6     10     12 E   11 E   15 E   21 E   13 E
03     3      3      3      5      3      4      3  
04     2      4      5      1      4      2      2  
05     6      6      6      6 E   20 E   22 E    9 E
06     7     11     12      9     11      8     12  
07     4      5      5      2      5      5      5  
08     5      3      3      6      4      4      4  
09     6      6     11      5     11      9      7  
10     4      4      -      -      3      3      4  
11     5      3      6      5      6      8      5  
13     7      7      6      6      8      9      7  
14    13     13     11     11     12     13     13  
15     -      -      -      -      -      -      -  
17     -      -      -     42      -      -      -  
18    11      8      7      5      8      8     10  
19    17     11      5      5      6      7      2  
20     6      9      6     10     11      6      6  
21    11      7      4      7     58     15      -  
22     9      4      5     14 E    6 E    8 E    5 E
23    41     19     75     20     28     31     98  
24     4      6      5      3     12      5     11  
25     8      7      5     10     10     12      8  
26     5      7      4      7      5      3      3  
27     6      4      2      3      5      4      3  
28    12      7      6      7      6     13      9 E
29     5      8      7      5      7      6      7  
30     4      4      7      9     11     10 E   17 E
31     2      5      2      6      5      5      5  

MEAN  11      8     16     11     15     11     21
---------------------------------------------------
REMARKS:(1) PNR10 deleted from sp3-file for day 093
            modelling problems
        (2) PNR15 deleted from sp3-file for day 091-097
            modelling problems
        (3) PNR17 deleted from sp3-file for day 091,092,095,097
            modelling problems
        (4) PNR21 deleted from sp3-file for day 097
            modelling problems
ling problems


CLOCK ESTIMATION:  ALGO was used as time reference



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 5 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY
 CODE  STA#               091  092  093  094  095  096  097
----------------------------------------------------
algo  400003             1868 1866 1827 1917 1855 1894 1770
aoml  484001             1455 1446 1370 1457 1528 1666 1557
areq  530002             1867 1945 1923 1960 1911 1952 1878
artu  198001                0 1785 1802 1884 1763 1837 1756
asc1  570002                0    0    0    0    0    0 1279
bahr  650001             1929 1941 1886 1935 1908 1973 1792
bili  289001             1993 1994 2016 2067 1992 2055 1926
bjfs  288001                0    0 1818    0 1785 1871 1761
brmu  485001             1252 1493    0    0    0    0    0
cas1  820001             2001 1992 1982 2085 2005    0    0
chat  340001             1591 1380 1398 1459 1441 1567 1384
coco  350001                0    0 1938    0    0 2032 1929
dav1  810001                0 2076 2097 2162    0    0 1958
dgar  360001             2067    0    0 2023 1921 2028    0
drao  475003             1901 1901 1886 1944 1871 1879 1787
eisl  720001              936    0  701  785  811    0  824
gala  725001             2140 2115 1882 1892 2052 2168 2045
gold  410002             1804 1810    0 1853 1718 1816 1713
guam  730001             1930 1921 1619 1820    0 1730 1804
harb  601001             1796 1809 1768 1838 1765 1843 1695
hob2  321001             1823 1828 1821 1894 1763    0 1735
hofn  492003             1677 1300    0    0    0    0 1754
ineg  488002             1839 1622 1855 1890 1815 1842 1725
irkt  280001             1480 1548 1478 1484 1491 1555 1513
jplm  415002             1324 1221 1279 1252 1388 1314 1304
kerg  850002                0 1742 1756 1774 1714 1741 1639
kit3  235101             1688 1414    0    0    0    0    0
kodk  425001             1870 1861    0 1926    0    0 1800
kosg  110001             1890 1887 1869 1939 1884 1945 1797
kstu  250001                0    0    0    0    0    0 1119
kwj1  740001             1015 1348  977 1170 1043 1150 1146
lhas  240001             1368 1429 1374 1497 1378 1552 1377
lpgs  564301             1584 1676    0 1674 1635 1485    0
mac1  330003             1767 1850 1834 1900 1827 1886 1777
madr  120002             1651 1592 1620 1665 1724 1602 1634
mas1  610101             1740    0 1791 1856 1784 1811    0
mate  130002             1549 1553 1520 1598 1508 1594 1480
mcm4  800201             1403 1193 1031  962 1132 1049  877
mdo1  418001             1137 1051 1117 1140 1286 1252 1154
mets  180001             1870 1877 1845 1921 1870 1924 1812
nklg  695001             1926 1889 1894 1947 1930 1816 1646
nlib  409001             1290    0 1277 1182 1264 1396 1256
nril  281001             1863 1998 2062 1978 1790 1730 1936
nya1  140102             2250 2264 2281 2343 2269 2313 2179
ober  161001             1836 1832 1866 1970 1796 1970 1841
ohig  830001             1634 1539 1500 1586 1582 1662 1438
onsa  105001             1847 1860 1845 1939 1852 1926 1770
petp  285101                0 1808 1446 1893 1807 1834 1713
pots  165001                0    0 1862 1944 1886 1957 1833
reyk  491001             1504 1349 1941 1987 1788 1780 1570
riog  561001             1844 1848 1822 1886 1794 1882 1666
sant  500002             1688 1800 1568  989    0 1822 1724
stjo  405003             1863 1857 1863 1934 1858 1926 1797
suth  660001             1381 1190 1244 1279 1235 1255 1256
syog  840001             1665 1556 1921 1782 1750 1870    0
thti  712101             1714 1799 1617 1782 1697    0 1705
tidb  305003             1775 1764 1790 1844 1768 1806 1674
tixi  286001             2109 2086 2170 2235 2130 2198 2062
tow2  302001             1932 1940 1947 1994 1900 1956 1809
tro1  150102             2142 2136 2138 2235 2150 2227 2062
urum  243101             1896 1881 1894 1947 1883 1955 1807
usud  200002             1794 1764 1818 1823 1790 1823 1705
vill  125001              893    0    0  961  907    0    0
wes2  408001             1546 1485 1562 1574 1506 1562 1530
wsrt  111002             1898 1909 1883 1959 1903 1960 1819
wtzr  160101             1835 1785 1755 1797 1786 1669 1746
wuhn  207001             1850 1849 1836 1882 1845 1902 1763
yar1  310002             1519 1369 1328 1266 1118 1045  731
yell  470004             1934 1922 1845 1986 1908 1952 1869
yssk  287001             1769 1805 1809 1873 1783 1801 1665
zeck  195001             1439 1412 1408 1375 1458 1455 1293
zwen  190001             1875 1920 1897 1950 1910 1966 1842
Note: F    - indicates a constrained fiducial site ( to 1-2 mm )



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     091  092  093  094  095  096  097
------------------------------------------
  1    4127 4145 4072 4188 4048 3969 4179
  2    4202 4084 3809 4001 3740 3692 3837
  3    3830 3912 3772 4088 3857 3690 3997
  4    4202 4168 4283 4422 4221 4124 4435
  5    3878 3858 3933 3945 3817 3762 3966
  6    3994 3901 3934 4136 4001 3857 4105
  7    4418 4429 4491 4577 4316 4270 4637
  8    4037 3988 3909 4180 3928 3886 4067
  9    3815 3682 3805 3943 3706 3776 3933
 10    3988 3977    0 4209 4025 3872 4073
 11    3897 3958 3978 4071 3930 3917 4074
 13    4166 4115 4185 4156 4130 4017 4194
 14    4242 4376 4284 4374 4178 4091 4443
 15       0    0    0    0    0    0    0
 17       0    0 3918 4046    0 3359    0
 18    4283 4234 4215 4320 4204 4161 4354
 19    2469 2330 2337 2378 2388 2232 2346
 20    3991 4101 4153 4216 4107 4056 4227
 21    4249 4151 4095 4236 4141 3912    0
 22    4011 3975 3968 3846 3810 3706 3941
 23    4300 4303 4190 4263 4215 4113 4399
 24    4263 4206 4324 4455 4250 4185 4529
 25    4412 4341 4170 4347 4260 4085 4377
 26    4125 3972 3960 4158 4009 3902 4056
 27    4105 3997 3920 4178 3933 3943 4070
 28    4239 4251 4083 4331 4191 4066 4151
 29    4322 4419 4266 4313 4139 4166 4520
 30    3904 3873 3912 4027 3881 3675 3898
 31    4071 4152 4031 4212 3994 3826 4079
-----------------------------------------




REPEATABILITY OF STATION COORDINATE SOLUTIONS
  by Residuals of Helmert-transformation  (units:mm)

YEAR:  1 DAYS: 091 to 097
      U,u: used for parameter determination in Helmert-transformation
      N,n: not used  
           [ u,n: deleted for repeatability computation   (2.5*sigma) ] 

 SITE  _____REPEATABILITY_____   NUMB REMARK WEEKDAY
           UP    NORTH    EAST               1234567
--------------------------------------------------------------------------------
 ALGO      0.5     0.3     0.6   4000  FIXED UUUUUUU 
 AOML      2.2     0.3     1.0   4840        NNNNNNN 
 AREQ      0.5     0.9     1.9   5300  FIXED NNNUUUU 
 ARTU      2.7     0.6     0.6   1980        NNNNNNN 
 BAHR      2.9     1.5     0.7   6500        NNNNNNN 
 BILI      6.1     1.0     1.3   2890        NNNNNNN 
 BISH      4.5     0.8     0.6   2399        NNNNNNN 
 BJFS      3.3     1.2     0.7   2880        .NNNNNN 
 BRMU      0.4     0.4     0.9   4850  FIXED UUU.... 
 CAS1      4.8     1.4     0.8   8200        NNNNNNN 
 CHAT      3.5     0.9     1.1   3400        NNNNNNN 
 COCO     12.8     1.2     2.8   3500        NNNNNNN 
 DAV1      4.1     1.2     1.4   8100  FIXED NNUUUNN 
 DGAR      5.5     2.0     2.3   3600        NNNNNNN 
 DRAO      0.7     0.6     0.8   4750  FIXED UUUUUUU 
 EISL     13.8     2.3     3.7   7200        NNNNNNN 
 GALA      2.9     1.0     2.4   7250        NNNNNNN 
 GOLD      7.9     0.9     1.4   4100        NNNNNNN 
 GUAM      4.2     1.6     1.3   7300  FIXED UUNNNUU 
 HARB      5.0     1.9     1.2   6010        NNNNNNN 
 HOB2      4.9     1.3     0.4   3210  FIXED UUUUUUN 
 HOFN      1.9     0.4     1.0   4920        NNN..NN 
 INEG      2.8     1.1     1.5   4880        NNNNNNN 
 IRKT      0.5     0.3     0.7   2800  FIXED UUUUUUU 
 JPLM      3.6     1.0     1.0   4150        NNNNNNN 
 KERG      0.7     0.9     0.9   8500  FIXED UUUUUUU 
 KIT3      0.5     0.3     0.2   2351  FIXED UUU.... 
 KODK      4.1     2.2     1.6   4250        NNNNNNN 
 KOSG      0.4     0.5     0.4   1100  FIXED UUUUUUU 
 KSTU      3.6     0.8     0.3   2500        .....NN 
 KWJ1      8.9     2.5     4.0   7400  FIXED UUUNNUN 
 LHAS      0.5     0.9     0.9   2400  FIXED UUUUUUU 
 LPGS      4.3     1.5     2.7   5643        NNNNNNN 
 MAC1      1.1     0.6     0.5   3300  FIXED UUUUUUU 
 MADR      1.9     1.9     1.3   1200        NNNNNNN 
 MAS1      0.7     0.3     1.2   6101  FIXED UUUUUUU 
 MATE      0.4     0.7     0.3   1300  FIXED UUUUUUU 
 MCM4      7.3     1.5     1.1   8002        NNNNNNN 
 MDO1      2.2     0.9     0.9   4180  FIXED UUUUUUU 
 METS      2.3     0.7     0.5   1800        NNNNNNN 
 NKLG      5.7     1.3     4.8   6950        NNNNNNN 
 NLIB      0.7     0.5     0.3   4090  FIXED UUUUUUU 
 NRIL      3.0     1.2     0.6   2810        NNNNNNN 
 NYA1      1.1     0.5     0.5   1401        NNNNNNN 
 OBER      1.3     0.6     0.3   1610        NNNNNNN 
 OHIG      1.1     0.7     1.1   8300  FIXED UUUUUUU 
 ONSA      0.2     0.3     0.5   1050  FIXED UUUUUUU 
 PETP      1.7     0.8     0.9   2851        NNNNNNN 
 POTS      1.0     0.5     0.8   1650  FIXED .UUUUUU 
 REYK      1.7     0.4     0.7   4910        NNNNNNN 
 RIOG      4.0     0.7     1.3   5610        NNNNNNN 
 SANT      2.9     1.1     2.4   5000        NNNNNNN 
 STJO      5.5     3.3     3.1   4050        NNNNNNN 
 SUTH      4.5     2.9     1.3   6600        NNNNNNN 
 SYOG      2.7     1.7     1.6   8400        NNNNNNN 
 THTI     12.2     1.2     3.0   7121        NNNNNNN 
 TIDB      1.1     0.8     0.8   3050        NNNNNNN 
 TIXI      3.0     0.5     0.4   2860        NNNNNNN 
 TOW2      4.8     0.9     1.1   3020        NNNNNNN 
 TRO1      2.9     0.5     0.6   1501        NNNNNNN 
 URUM      2.5     0.7     2.3   2431        NNNNNNN 
 USUD      4.6     2.5     0.8   2000        NNNNNNN 
 VILL      2.4     0.9     2.7   1250        NNNNNN. 
 WES2      1.1     0.4     1.2   4080  FIXED UUUUUUU 
 WSRT      1.2     0.4     0.7   1110        NNNNNNN 
 WTZR      0.2     0.3     0.3   1601  FIXED UUUUUUU 
 WUHN      4.7     0.8     1.0   2070        NNNNNNN 
 YAR1      2.8     1.0     2.9   3100        NNNNNNN 
 YELL      0.7     0.6     0.6   4700  FIXED UUUUUUU 
 YSSK      1.9     0.6     0.8   2870        NNNNNNN 
 ZECK      2.1     0.9     0.8   1950        NNNNNNN 
 ZWEN      0.8     0.2     0.7   1900  FIXED UUUUUUU 
--------------------------------------------------------------------------------


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:
   - undifferenced carrier phases
   - 24 h arc solutions   

5. Adjusted parameters:
   - state vector of all satellites
   - coordinate corrections 
   - daily ERPs
   - tropospheric zenith path delay (4 h)
   - y-bias, solar radiation scaling factor
   - ambiguities
   - STA and SV clock parameters of each observation epoch
    
--------------------------------------------------------------------------------
global: ALGO AOML AREQ ARTU BAHR BILI BISH BJFS BRMU CAS1 CHAT COCO DAV1 DGAR DRAO EISL GALA GOLD GUAM HARB HOB2 HOFN INEG IRKT JPLM KERG KIT3 KODK KOSG KSTU KWJ1 LHAS LPGS MAC1 MADR MAS1 MATE MCM4 MDO1 METS NKLG NLIB NRIL NYA1 OBER OHIG ONSA PETP POTS REYK RIOG SANT STJO SUTH SYOG THTI TIDB TIXI TOW2 TRO1 URUM USUD VILL WES2 WSRT WTZR WUHN YAR1 YELL YSSK ZECK ZWEN