[IGSREPORT-2143] Wk 0825 GFZ Analysis Report

G.Gendt G.Gendt
Thu Nov 9 03:16:42 PST 1995


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IGS Electronic Report    Thu Nov  9  3:16:42 PST 1995      Message Number 2143
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0825 GFZ Analysis Report

Subject: Wk 0825 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0825 (DAYS 302-308, DATES 29-10-95 TO 04-11-95)
******************************************************************************

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

PRODUCT SUMMARY

FILES SENT TO IGN: 
______________________________________________________________________________
gfz08257.sum           this text file
gfz08257.erp           Earth rotation parameters 
gfz08257.snx           Weekly SINEX File 
gfz0825[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 825       DAYS   302 - 308 
_______________________________________________________________________________
  MJD      Xpole  Ypole  UT1R-TAI  LODR Xsig Ysig UTsig LODsig Nr Nf Nt
          10**-5" 10**-5"  usec    us/d    10**-5"   us  us/d
50019.500   3276   8101 -29285302  2406    2    2    0    3    47 17 25
50020.500   2957   8129 -29287879  2439    2    2    0    3    47 17 25
50021.500   2618   8147 -29290449  2460    2    2    0    3    48 17 25
50022.500   2306   8188 -29293041  2525    2    2    0    3    48 17 25
50023.500   2003   8209 -29295572  2465    2    2    0    3    47 17 25
50024.500   1657   8255 -29298113  2428    2    2    0    3    48 17 25
50025.500   1286   8288 -29300519  2399    2    2    0    4    46 17 25
--------------------------------------------------------------------------------




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  302    303    304    305    306    307    308
-------------------------------------------------------
 1    27     20     29     26     32     28     22  
 2    23     23     26     23     29     23     27  
 4    20     25     24     23     26     29     31  
 5    17     17     19     23     25     23     20  
 6    25     22     22     28     28     28     24  
 7    36     50     39     39     51     32     40  
 9    40 E   40 E   38 E   41 E   43 E   41 E   52 E
12    26     24     28     27     28     26     32  
14    12     13     16     13     15     18     18  
15    19     14     15     14     22     24     16  
16    13     15      9     13     10     10     11  
17    17     15     20     19     30     19     18  
18    18     19     16     30     31     20     18  
19    40 E   35 E   42 E   37 E   40 E   38 E   53 E
20    23     22     27     28     36     20     24  
21    20     14     15     25     20     23     35  
22    17     18     16     21     26     23     22  
23    14     14     12     15      2      6      8  
24    17     18     17     18     23     19     20  
25    57 E   54 E   54 E   47 E   75 E   62 E   60 E
26    18     18     16     17     16     15     25  
27    34 E   36 E   38 E   33 E   39 E   34 E   32 E
28    19     19     23     23     22     23     31  
29    13     16     16     19     21     20     21  
31    15     18     17     20     19     20     20  
 
MEAN  25     26     26     26     32     27     30
---------------------------------------------------

REMARKS:


                 
CLOCK ESTIMATION:  ALGO was used as time reference



STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 6 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY (32-hour arcs used)
 CODE  STA#               302  303  304  305  306  307  308
----------------------------------------------------
onsa  105001   I'93      1580 1535 1563 1216 1114 1570 1547
kosg  110001 F I'93      1656 1647 1647 1626 1610 1648 1394
madr  120001 F I'93      1632 1645 1610 1526 1652 1631 1593
mate  130001 F I'93      1687 1666 1616 1611 1587 1623 1613
nyal  140001   I'93      1725 1757 1707 1299    0    0    0
trom  150001 F I'93      1701 1695 1678 1689 1713 1723 1632
wetb  160001 F I'93      1493 1465 1442 1611 1622 1618 1548
pots  165001             1646 1641 1636 1636 1641 1651 1613
mets  180001   I'93      1631 1609 1584 1615 1628 1555 1558
zwen  190001             1610 1226  375 1536 1566 1569 1528
usud  200002             1636 1603 1584 1610 1601 1559 1616
tskb  205001             1761 1752 1738 1728 1722 1691 1711
taiw  220001 F           1654 1622 1609 1602 1618 1629 1625
kit3  235101             1693 1624 1626 1689 1704 1648 1663
lhas  240001             1637 1623 1580 1549 1507 1513 1587
irkt  280001             1620 1631 1683 1680 1681 1281    0
tidb  305002 F I'93      1687 1679 1705 1645 1656 1698 1675
yar1  310001 F I'93      1621 1620 1615 1265 1622 1615 1571
hob2  321001             1234  433 1699 1669 1690 1693 1644
mac1  330002             1185 1159 1172 1158 1145 1181 1137
algo  400003 F I'93      1691 1685 1680 1664 1675 1634 1657
stjo  405003   I'93      1708 1677 1685 1548 1648 1588 1602
wes2  408001   I'93      1649 1630 1657 1664 1649 1652 1642
nlib  409001   I'93      1636 1625 1626 1634 1631 1613 1611
gold  410001 F I'93      1667 1257    0    0    0    0    0
gold  410002 F I'93         0    0   69  134  112  375  410
jplm  415001   I'93      1709 1693 1698 1717 1698 1678 1686
mdo1  418001             1644 1633 1640 1665 1648 1622 1651
fair  420001 F I'93      1701 1674 1640 1613 1654 1655 1651
yell  470004 F I'93      1723 1663 1693 1666 1671 1638 1646
drao  475003   I'93      1718 1698 1710 1717 1713 1690 1700
rcm5  482001 F           1679 1660 1621 1551 1556 1606 1589
brmu  485001   I'93      1686 1654 1648 1659 1662 1651 1641
thu1  490001             1972 1969 1954 1962 1969 1948 1934
sant  500001 F I'93      1717 1425  887 1684 1703 1727 1655
kour  510001   I'93      1521 1557 1546 1532 1520 1512 1416
fort  520001             1574 1519 1515 1523 1551 1446 1422
areq  530002             1709 1690 1657 1254    0 1076 1687
lpgs  564301                0    0  381 1643 1667 1662 1634
hart  600002 F I'93      1403 1354 1214  902  807  690  686
mas1  610101 F           1079 1168 1056  771  661  875 1111
sey1  620001             1250 1529 1446 1038 1062 1376 1228
kokb  700001 F I'93      1671 1652 1701 1657 1655 1185   92
pama  710001   I'93         0    0    0    0  372 1433 1196
guam  730001             1595 1585 1520 1548 1577 1556 1556
mcm4  800201             1693 1702 1696 1730 1667 1668 1683
dav1  810001             1510 1526 1491 1427  685  307    0
cas1  820001             1088 1089 1091 1184 1456 1320 1312
ohig  830001             1372 1196 1309 1345 1103 1308 1345
kerg  850001             1596 1568 1504 1596 1592 1596 1527
Note: F    - indicates a constrained fiducial site ( to 1-2 mm )
      I'93 - indicates that initial station coordinates are from ITRF'93



SATELLITE STATISTICS

                OBSERVATIONS for DAY (32-hour arcs used)

PRN     302  303  304  305  306  307  308
------------------------------------------
  1    2962 2900 2859 2837 2698 2818 2673
  2    2994 2825 2753 2848 2831 2860 2759
  4    2922 2878 2817 2935 2835 2868 2866
  5    2704 2674 2512 2711 2586 2696 2660
  6    2877 2867 2717 2747 2713 2779 2660
  7    3059 2913 2888 2954 2740 2793 2770
  9    2753 2700 2649 2775 2714 2493 1147
 12    2331 2251 2152 2291 2241 2262 2117
 14    2817 2670 2675 2679 2553 2496 2553
 15    3045 2928 2989 2824 2722 2923 2959
 16    3087 2986 3000 2970 2881 2887 2815
 17    3219 3147 3078 3086 2893 3107 2996
 18    3015 2896 2842 2951 2678 2737 2822
 19    2993 2724 2675 2800 2835 2821 2830
 20    3000 2956 2843 2927 2751 2754 2591
 21    2810 2726 2722 2637 2664 2782 2695
 22    3480 3467 3387 3262 3114 3237 3078
 23    3041 2955 2940 2886 2794 2892 2805
 24    3016 2942 2827 2914 2785 2805 2726
 25    3033 2928 2772 2873 2852 2935 2754
 26    3124 3061 2930 2977 2888 2922 2844
 27    2982 2863 2765 2862 2741 2782 2752
 28    3239 3162 3143 2979 2896 3142 3076
 29    3092 2986 2937 3043 2859 2940 2885
 31    3455 3305 3332 3220 3179 3452 3392
-----------------------------------------




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

YEAR: 95 DAYS: 302 to 308
      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      0.2     0.4     0.2   4000  FIXED UUUUUUU
 AREQ      7.7     2.0     3.5   5300        NNNN.NN
 BRMU      5.4     3.1     4.1   4850        NNNNNNN
 CAS1      9.2     5.1     6.0   8200        NNNNNNN
 DAV1     35.3    10.0     5.4   8100        NNNNNN.
 DRAO      4.8     1.2     2.0   4750        NNNNNNN
 FAIR      0.1     0.3     0.2   4200  FIXED UUUUUUU
 FORT      5.9     3.7     8.0   5200        NNNNNNN
 GOLD      0.5     0.7     3.8   4100  FIXED UUNNUUU
 GUAM     18.3     2.5     9.2   7300        NNNNNNN
 HART      1.2     1.4     1.2   6000  FIXED UUUUUNN
 HOB2     14.0     1.6     4.4   3210        NNNNNNN
 IRKT      5.3     2.3     4.6   2800        NNNNNN.
 JPLM     10.6     2.5     4.2   4150        NNNNNNN
 KERG     20.5     6.0    12.1   8500        NNNNNNN
 KIT3      6.3     1.9     3.4   2351        NNNNNNN
 KOKB      1.0     1.1     0.6   7000  FIXED UUUUUUN
 KOSG      0.2     0.2     0.3   1100  FIXED UUUUUUU
 KOUR     15.1     4.5    13.2   5100        NNNNNNN
 LHAS      8.8     1.5     5.2   2400        NNNNNNN
 LPGS     24.2     1.1     5.2   5643        ..NNNNN
 MAC1      8.8     2.1     7.5   3300        NNNNNNN
 MADR      0.2     0.3     0.5   1200  FIXED UUUUUUU
 MAS1      0.3     0.3     1.0   6101  FIXED UUUUUUU
 MATE      0.3     0.2     0.4   1300  FIXED UUUUUUU
 MCM4     11.2     3.9     5.8   8002        NNNNNNN
 MDO1     10.4     1.7     2.8   4180        NNNNNNN
 METS      2.9     0.8     1.5   1800        NNNNNNN
 NLIB      4.3     2.0     2.0   4090        NNNNNNN
 NYAL      0.7     0.6     2.2   1400        NNNN...
 OHIG     13.4     6.7     7.2   8300        NNNNNNN
 ONSA      4.1     1.2     1.7   1050        NNNNNNN
 PAMA     31.7    14.2    27.3   7100        ....NNN
 POTS      5.5     1.3     2.7   1650        NNNNNNN
 RCM5      0.3     0.3     0.4   4820  FIXED UUUUUUU
 SANT      0.3     0.3     0.5   5000  FIXED UUUUUUU
 SEY1     37.4     7.3    30.0   6200        NNNNNNN
 STJO      8.3     1.5     5.1   4050        NNNNNNN
 TAIW      0.1     0.2     0.2   2200  FIXED UUUUUUU
 THU1      7.0     1.2     1.9   4900        NNNNNNN
 TIDB      0.2     0.4     0.3   3050  FIXED UUUUUUU
 TROM      0.2     0.3     0.1   1500  FIXED UUUUUUN
 TSKB      2.8     1.5     2.1   2050        NNNNNNN
 USUD      4.4     3.8     4.8   2000        NNNNNNN
 WES2      7.3     1.6     3.3   4080        NNNNNNN
 WETT      0.2     0.3     0.3   1600  FIXED UUUUUUU
 YAR1      0.2     0.2     0.3   3100  FIXED UUUUUUU
 YELL      0.3     0.2     0.3   4700  FIXED UUUUUUU
 ZWEN      6.7     3.0     2.4   1900        NNNNNNN
--------------------------------------------------------------------------------


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
    


[Mailed From: bees at gfz-potsdam.de (Gerda Beeskow)]



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