[IGSREPORT-2083] Wk 0821 GFZ Analysis Report

G.Gendt G.Gendt
Thu Oct 12 05:33:07 PDT 1995


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IGS Electronic Report    Thu Oct 12  5:33:07 PDT 1995      Message Number 2083
******************************************************************************

Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0821 GFZ Analysis Report

Subject: Wk 0821 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0821 (DAYS 274-280, DATES 01-10-95 TO 07-10-95)
******************************************************************************

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: 
______________________________________________________________________________
gfz08217.sum           this text file
gfz08217.erp           Earth rotation parameters 
gfz08217.snx           Weekly SINEX File 
gfz0821[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 821       DAYS   274 - 280 
_______________________________________________________________________________
  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
49991.500  13567  10526 -29217223  2448    2    2    0    3    45 16 25
49992.500  13231  10428 -29219716  2435    2    2    0    4    46 17 25
49993.500  12810  10349 -29222193  2389    2    2    0    4    47 17 25
49994.500  12412  10256 -29224677  2357    2    2    0    4    47 17 25
49995.500  12034  10136 -29227049  2300    2    2    0    4    48 17 25
49996.500  11636  10012 -29229444  2289    2    2    0    4    47 17 25
49997.500  11235   9859 -29231874  2350    2    2    0    4    47 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  274    275    276    277    278    279    280
-------------------------------------------------------
 1    61 E   70 E   77 E   54 E   54 E   49 E   44 E
 2    20     22     26     27     25     27     21  
 4    18     17     22     18     26     24     27  
 5    17     17     16     18     20     16     17  
 6    32 E   28 E   43 E   43 E   29 E   28 E   35 E
 7    40 E   39 E   41 E   37 E   34 E   42 E   31 E
 9    22     32     30     28     36     35     28  
12    24     24     26     24     24     34     19  
14    21     18     19     19     19     19     18  
15    15     11     13     11     13     13     14  
16    16     11     25     19     20     33     25  
17    16     13     20     17     17     16     20  
18    28 E   24 E   27 E   29 E   29 E   25     23  
19    29     25     31     24     25     27     21  
20    17     20     16     28     18     21     18  
21    22     23     32     21     23     27     19  
22    15     16     14     13     12     15     20  
23    18     28     31     40     31     44     29  
24    14     13     14     17     18     23     16  
25    12     21     20     19     19     23     26  
26    55 E   39 E   27 E   28 E   31 E   42 E   25  
27    27     26     27     28     24     30     17  
28    31 E   40 E   30 E   27 E   34 E   34 E   29 E
29    27 E   25 E   35 E   27 E   23 E   26     25  
31    41 E   55 E   45 E   27 E   32 E   46 E   31 E
 
MEAN  28     29     31     27     27     30     25
---------------------------------------------------

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#               274  275  276  277  278  279  280
----------------------------------------------------
onsa  105001   I'93      1579 1569 1521 1543 1474 1456 1505
kosg  110001 F I'93      1630 1651 1634 1608 1639 1599 1471
madr  120001 F I'93      1435 1465 1624 1477 1091 1227 1231
mate  130001 F I'93      1675 1624 1513 1202  419 1691 1681
nyal  140001   I'93      1325 1467 1456 1392 1022   65  242
trom  150001 F I'93      1643 1608 1223  412 1674 1657 1261
wetb  160001 F I'93      1656 1667 1642 1617 1636 1635 1631
pots  165001                0    0 1079 1641 1626 1628 1634
mets  180001   I'93      1611 1478 1570 1583 1572 1200  424
zwen  190001             1552 1535 1508 1533 1547 1557 1546
usud  200002             1585 1576 1565 1568 1577 1582 1599
tskb  205001             1711 1719 1711 1703 1705 1696 1710
taiw  220001 F           1550 1565 1562 1582 1488 1519 1606
kit3  235101             1679 1647 1629 1681 1251  422 1703
lhas  240001             1536 1395 1554 1564 1566 1581 1586
tidb  305002 F I'93      1687 1728 1719 1698 1116 1280 1676
yar1  310001 F I'93      1596 1580 1575 1591 1595 1587 1612
hob2  321001                0    0    0    0  117 1363 1689
mac1  330001             1406 1374 1348 1334 1401 1406 1267
algo  400003 F I'93      1674 1674 1690 1685 1684 1637 1212
stjo  405003   I'93      1702 1701 1695 1669 1701 1688 1704
wes2  408001   I'93      1637 1636 1674 1666 1634 1634 1664
nlib  409001   I'93      1603 1597 1595 1595 1586 1583 1600
gold  410001 F I'93      1644 1652 1666 1666 1090 1246 1592
jplm  415001   I'93      1672 1652 1675 1671 1676 1696 1692
mdo1  418001             1625 1605 1623 1488 1464 1615 1634
fair  420001 F I'93      1701 1709 1693 1603 1710 1692 1678
yell  470004 F I'93      1651 1579 1493 1542 1566 1518 1560
drao  475003   I'93      1684 1693 1690 1682 1683 1662 1688
rcm5  482001 F           1636 1624 1595 1552 1560 1560 1585
brmu  485001   I'93      1655 1667 1640 1639 1624 1643 1643
thu1  490001             1680 1884 1676 1980 1854 1622 1961
sant  500001 F I'93         0  631 1567  574  716 1645 1623
kour  510001   I'93      1586 1568 1580 1542 1568 1601 1582
fort  520001             1405 1327 1382 1451 1563 1523 1174
areq  530002             1630 1634 1640 1647 1613 1620 1617
braz  550001             1532 1519 1541 1560 1564 1634 1600
lpgs  564301             1637 1256  389 1249 1255    0    0
hart  600002 F I'93       582  687  808  770  854  915  933
mas1  610101 F           1328 1304  365 1038 1315 1209 1346
kokb  700001 F I'93      1759 1765 1761 1791 1787 1792 1803
pama  710001   I'93      1358 1311 1210 1247 1205 1256 1246
guam  730001             1570 1549 1553 1567 1571 1562 1556
mcm4  800201             1646 1708 1682 1673 1699 1709 1676
dav1  810001             1130  536 1018 1039 1063  504 1011
cas1  820001             1369 1305 1284 1244 1261 1268 1296
ohig  830001             1226  753  987  875  724  898 1235
kerg  850001             1640 1641 1637 1593 1561 1587 1598
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     274  275  276  277  278  279  280
------------------------------------------
  1    2654 2537 2389 2587 2590 2626 2619
  2    2433 2483 2562 2495 2447 2417 2594
  4    2940 2790 2780 2816 2690 2707 2834
  5    2769 2723 2680 2513 2538 2568 2615
  6    2689 2624 2554 2496 2627 2593 2597
  7    2596 2516 2687 2626 2632 2575 2636
  9    2497 2433 2412 2379 2463 2420 2592
 12    1973 1959 2038 1956 1926 1871 2125
 14    2820 2720 2820 2803 2735 2661 2683
 15    2600 2599 2584 2547 2523 2588 2628
 16    2831 2836 2850 2885 2788 2828 2864
 17    2932 2902 2836 2721 2772 2788 2761
 18    2844 2809 2875 2907 2672 2757 2880
 19    2956 2923 2960 3070 2921 2933 3090
 20    2902 2820 2845 2766 2799 2816 2847
 21    2569 2503 2541 2554 2416 2405 2465
 22    3498 3412 3358 3302 3222 3165 3253
 23    2793 2726 2843 2839 2724 2727 2801
 24    2879 2972 2898 2909 2856 2831 2868
 25    3299 3179 3247 3248 3195 3129 3095
 26    2717 2718 2672 2729 2681 2723 2868
 27    2891 2962 2956 2888 2823 2898 3029
 28    2853 2881 2994 3015 2939 2801 2900
 29    2969 2899 2916 2990 2866 2966 3013
 31    2914 2889 2945 2986 2822 2877 2926
-----------------------------------------




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

YEAR: 95 DAYS: 274 to 280
      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     0.5     0.3   4000  FIXED UUUUUU.
 AREQ      8.7     5.1     8.8   5300        NNNNNN.
 BRAZ     24.2     5.3    23.9   5500        NNNNNN.
 BRMU     12.3     4.7     6.5   4850        NNNNNN.
 CAS1      8.3     3.4    10.1   8200        NNNNNN.
 DAV1     24.7     9.1    14.2   8100        NNNNNN.
 DRAO      9.0     1.5     1.6   4750        NNNNNN.
 FAIR      0.1     0.3     0.2   4200  FIXED UUUUUU.
 FORT     11.6     2.4     7.4   5200        NNNNN..
 GOLD      0.1     0.3     0.2   4100  FIXED UUUUUU.
 GUAM     17.9     2.2     5.9   7300        NNNNN..
 HART      2.0     2.0     1.6   6000  FIXED NNUNNU.
 HOB2     27.8     5.4     5.7   3210        ....NN.
 JPLM      5.7     1.1     2.2   4150        NNNNNN.
 KERG     19.2     6.3    17.1   8500        NNNNNN.
 KIT3      5.2     5.4     4.3   2351        NNNNN..
 KOKB      0.2     0.3     0.4   7000  FIXED UUUUUU.
 KOSG      0.2     0.2     0.4   1100  FIXED UUUUUU.
 KOUR     10.4     2.9    13.1   5100        NNNNNN.
 LHAS      7.3     2.1    10.3   2400        NNNNNN.
 LPGS     31.7    11.1     8.5   5643        NNNNN..
 MAC1      5.4     5.0     8.1   3300        NNNNNN.
 MADR      0.3     0.3     0.9   1200  FIXED UUUUUU.
 MAS1      0.8     0.8     0.3   6101  FIXED UUUUUU.
 MATE      0.2     0.2     0.2   1300  FIXED UUUU...
 MCM4     21.8     9.8     6.9   8002        NNNNNN.
 MDO1     15.5     1.1     3.3   4180        NNNNNN.
 METS      3.3     2.0     2.5   1800        NNNNNN.
 NLIB      6.0     3.0     2.0   4090        NNNNNN.
 NYAL     11.5     3.0     4.3   1400        NNNNN..
 OHIG     31.9    13.8    14.1   8300        NNNNNN.
 ONSA      6.1     0.6     1.2   1050        NNNNNN.
 PAMA     43.7     2.8    32.8   7100        NNNNNN.
 POTS      4.4     2.2     3.3   1650        ..NNNN.
 RCM5      0.2     0.3     0.5   4820  FIXED UUUUUU.
 SANT      0.2     0.3     0.6   5000  FIXED .UUUUU.
 STJO      8.7     3.8     8.6   4050        NNNNNN.
 TAIW      0.2     0.4     0.2   2200  FIXED UUUUUU.
 THU1     12.0     4.5     3.6   4900        NNNNNN.
 TIDB      0.3     0.4     0.7   3050  FIXED UUUUUU.
 TROM      0.4     0.5     0.4   1500  FIXED UUUNUN.
 TSKB     13.1     2.6     3.2   2050        NNNNNN.
 USUD     14.7     2.0     3.9   2000        NNNNNN.
 WES2      4.4     3.8    14.9   4080        NNNNNN.
 WETT      0.3     0.5     0.4   1600  FIXED UUUUUU.
 YAR1      0.3     0.4     0.5   3100  FIXED UUUUUU.
 YELL      0.3     0.3     0.2   4700  FIXED UUUUUU.
 ZWEN      7.3     3.3     2.2   1900        NNNNNN.
--------------------------------------------------------------------------------


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: igs at gfz-potsdam.de (Thomas Mr. igs)]



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