Subject: [IGSREPORT-0739] GFZ Analysis Report (week 731)
From: Galina Dick
Date: Wed, 26 Jan 1994 0:50:17 PST

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IGS Electronic Report    Wed Jan 26  0:50:17 PST 1994      Message Number 0739
******************************************************************************

Author: Galina Dick
Subject: GFZ Analysis Report (week 731)

Subject: GFZ Analysis Report (731)

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GFZ ANALYSIS REPORT   GPS-WEEK 0731 (DAYS 009-015, DATES 09-01-94 TO 15-01-94)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, Th. Nischan, W. Mai 
              GeoForschungsZentrum Potsdam (GFZ)
             
              Telegrafenberg A17, D-14473 Potsdam, Germany
              e-mail:[email-masked]
              fax: (0331) 288 1111
              tel: (0331) 288 1114 

PRODUCT SUMMARY

FILES SENT TO IGN: 
______________________________________________________________________________
gfz07317.sum           this text file
gfz07317.erp           Earth rotation parameters 
gfz0731[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________

ERP RESULT

Attention: UT is given for midnight
           UT differences plus dLODR(ms) gives the adjusted LODR

  MJD        XP       YP   UT1-IAT for 0h SIGX   SIGY  SIGLOD NS FIX NV  dLODR 
           arcsec   arcsec     sec      arcsec  arcsec   ms                ms
49361.500  0.03332  0.48092 -27.820860  0.00003 0.00003 0.004 28 20 26   0.0718
49362.500  0.03545  0.48070 -27.823040  0.00003 0.00003 0.004 28 20 26  -0.0124
49363.500  0.03746  0.48055 -27.825220  0.00003 0.00003 0.004 28 20 26   0.0259
49364.500  0.03973  0.48047 -27.827400  0.00003 0.00003 0.004 28 20 26   0.0164
49365.500  0.04241  0.48005 -27.829620  0.00003 0.00003 0.004 28 20 26   0.0467
49366.500  0.04566  0.47944 -27.831840  0.00003 0.00003 0.004 29 20 26  -0.0096
49367.500  0.04836  0.47942 -27.834060  0.00003 0.00003 0.004 29 20 26  -0.0219
-------------------------------------------------------------------------------

  MJD          LODR    +/-
             (ms/day)

49361.5000    2.2518  0.004
49362.5000    2.1676  0.004
49363.5000    2.2059  0.004
49364.5000    2.2364  0.004
49365.5000    2.2667  0.004
49366.5000    2.2104  0.004
49367.5000    2.1981  0.004
-----------------------------

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|

   (only rms < 120 are used for MEAN)

Note: E - indicates that the satellite is in eclipse

---------------------------------------------------
                 RMS for DAY
PRN  009    010    011    012    013    014    015
---------------------------------------------------
 1    42     35     20     62     37     43     35 
 2    35 E   24 E   29 E   31 E   27 E   40 E   30 E
 3    35     22     30     41     16     29     13 
 4    40 E   36 E   41 E   38 E   36 E   30 E   39 E
 5     - E    - E    - E    - E    - E   88 E  141 E
 7    18     15     15     21     16     18     16  
 9    47     48     37     28     28     28     24  
12    32     25     16     13     11     12     11  
13    31     27     10     15     21     12     15  
14    21     16     11     16     19     15     14  
15    35 E   29 E   39 E   45 E   35 E   27 E   45 E
16    23     43     22     27     26     20     40  
17   238 E   33 E   57 E   52 E   31 E   39 E   46 E
18    27     18     38     21     20     29     31  
19    27     14     22     17     21     19     19  
20    71 E   52 E   52 E   45 E   53 E   57 E   54 E
21    24     23     30     22     24     21     22  
22    25 E   56 E   32 E   38 E   49 E   32 E   28 E
23    32     28     38     42     29     23     35  
24    59 E   74 E   46 E   54 E   38 E   31 E   46 E
25    33     56     19     29     30     25     28  
26    28     33     20     26     32     19     37  
27    18     16     13     19     19     17     25  
28    17     17     21     19     16     21     20  
29    23     22     15     18     21     24     20  
31    17     16     19     18     17     21     21  
 
MEAN  34     35     30     33     29     32     31
---------------------------------------------------

REMARKS: (1) satellite  PRN05 was used only with part of 
             data on days 9,10,12,14,15, excluded from
             products for days 9,10,12.       

CLOCK ESTIMATION:  ALGO was used as time reference

STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 6 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY
 CODE  STA#               009  010  011  012  013  014  015
-----------------------------------------------------------
onsa  105001   I'92      1606 1611 1622 1597 1613 1605 1601
kosg  110001 F I'92      1684 1660 1676 1730 1708 1666 1715
madr  120001 F I'92      1685 1478  714 1676 1609 1590 1675
mate  130001 F           1751 1738 1729 1764 1465 1474 1767
trom  150001 F I'92      1754 1766 1746 1800 1745 1756 1723
wetb  160001 F I'92      1566 1662 1664 1730 1750 1727 1734
mets  180001   I'92      1665 1646 1625 1612 1540 1643 1653
usud  200002             1718 1697 1679 1661 1614 1530 1683
taiw  220001 F I'92      1772 1756 1718 1735 1727 1683 1708
tidb  305001 F           1610 1636 1559 1599 1694 1663 1696
yar1  310001 F I'92      1637 1667 1657 1697 1686 1589 1667
hob1  320001             1597 1656 1604 1590 1636 1592 1636
algo  400001 F I'92      1766 1748 1737 1518 1683 1528 1675
stjo  405001 F           1580 1686 1678 1675 1520 1528 1594
wes2  408001             1725 1693 1704 1617 1488 1525 1490
gold  410001 F I'92      1698 1655 1354 1523 1568 1522 1425
jplm  415001 F           1775 1766 1778 1774 1760 1273  683
fair  420001 F I'92      1792 1775 1815 1808 1766 1720 1754
yell  470001 F I'92      1753 1742 1745 1758 1713 1688 1744
drao  475001 F           1816 1814 1827 1810 1785 1741 1760
rcm5  482001   I'92      1694 1716 1692 1675 1681 1624 1627
sant  500001 F I'92      1664 1658 1665 1658 1628 1632 1701
kour  510001 F           1566 1560 1609 1667 1607 1562 1589
fort  520001             1649 1659 1621 1602 1638 1609 1599
hart  600001 F I'92      1348 1353 1332 1349 1342 1367 1458
masp  610001 F I'92      1737 1727 1744 1759 1750 1735 1736
kokb  700001 F I'92      1733 1736 1732 1635 1671 1692 1728
pama  710001             1646 1714 1695 1703 1712 1670 1650
mcmu  800002                0    0    0    0    0  452 1707
-----------------------------------------------------------

Note: F    - indicates a constrained fiducial site ( to 1-2 mm )
      I'92 - indicates that initial station coordinates are from ITRF'92

SATELLITES STATISTICS

                OBSERVATIONS for DAY
PRN     009  010  011  012  013  014  015
------------------------------------------
  1    1600 1552 1576 1654 1621 1688 1657
  2    2032 1997 1989 2024 1947 1853 1967
  3    1708 1678 1630 1729 1706 1663 1744
  4    1809 1873 1904 1927 1913 1842 1902
  5    1483 1651 1502 1464 1379  643 1164
  7    2197 2191 2212 2240 2183 2147 2161
  9    1573 1587 1507 1631 1575 1620 1687
 12    1751 1652 1562 1588 1618 1653 1735
 13    1835 1813 1782 1880 1924 1784 2006
 14    1715 1732 1724 1819 1695 1816 1922
 15    2044 1991 1929 1969 1948 1906 1844
 16    1579 1626 1559 1605 1607 1667 1689
 17    1719 1759 1676 1763 1740 1721 1778
 18    1811 1796 1799 1886 1817 1760 1870
 19    1894 1863 1665 1649 1788 1797 1849
 20    1604 1690 1615 1619 1645 1663 1694
 21    1798 1791 1809 1802 1824 1830 1738
 22    1756 1779 1733 1741 1666 1636 1835
 23    1783 1830 1784 1804 1776 1815 1842
 24    1858 1904 1742 1817 1779 1813 1780
 25    1748 1725 1667 1691 1671 1778 1785
 26    1830 1748 1768 1778 1748 1800 1786
 27    1926 1953 1846 1821 1797 1725 1783
 28    1904 1906 1891 1894 1820 1824 1914
 29    1811 1756 1705 1763 1752 1775 1853
 31    2219 2132 2145 2164 2160 2167 2193
-----------------------------------------

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
   - 32 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