[IGSREPORT-2099] Wk 0822 GFZ Analysis Report

G.Gendt G.Gendt
Thu Oct 19 03:45:26 PDT 1995


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IGS Electronic Report    Thu Oct 19  3:45:26 PDT 1995      Message Number 2099
******************************************************************************

Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0822 GFZ Analysis Report

Subject: Wk 0822 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0822 (DAYS 281-287, DATES 08-10-95 TO 14-10-95)
******************************************************************************

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: 
______________________________________________________________________________
gfz08227.sum           this text file
gfz08227.erp           Earth rotation parameters 
gfz08227.snx           Weekly SINEX File 
gfz0822[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 822       DAYS   281 - 287 
_______________________________________________________________________________
  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
49998.500  10829   9724 -29234280  2363    2    2    0    3    49 17 25
49999.500  10399   9541 -29236715  2431    2    2    0    3    48 17 25
50000.500  10004   9392 -29239233  2467    2    2    0    3    46 17 25
50001.500   9607   9258 -29241692  2386    2    2    0    3    47 17 25
50002.500   9205   9075 -29244186  2374    2    2    0    3    49 17 25
50003.500   8878   8944 -29246678  2358    2    2    0    3    48 17 25
50004.500   8608   8915 -29249204  2411    2    2    0    3    48 17 24
--------------------------------------------------------------------------------




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  281    282    283    284    285    286    287
-------------------------------------------------------
 1    48     33     36     45     38     25     27  
 2    20     21     23     21     25     22     29  
 4    22     28     21     22     22     18     19  
 5    15     17     15     18     16     15     11  
 6    36 E   38 E   41 E   34 E   44 E   40 E   33 E
 7    38 E   35 E   33 E   36 E   34 E   38 E   33 E
 9    25     19     18     19     22     18     18  
12    18     26     19     16     19     23     19  
14    14     16     14     12     17     12     11  
15    18     16     15     18     16     13     15  
16    21     17     19     20     18     18     23  
17    16     18     14     13     17     17     14  
18    23     20     24     22     23     21     20  
19    24     26     23     25     30     24     25  
20    20     18     19     19     21     19     14  
21    23     22     19     17     17     16     14  
22    16     20     18     20     19     19     16  
23    15     19     34     15      8     23     19  
24    20     14     14     17     17     16     17  
25    27     20     25     29     25     29     28  
26    25     19     26     24     24     22      -  
27    25     23     23     25     22     27     24  
28    30 E   27 E   28 E   26 E   27 E   32 E   30 E
29    25     22     30     23     21     20     16  
31    34 E   19 E   30 E   26 E   34 E   29 E   27 E
 
MEAN  25     23     24     23     24     23     22
---------------------------------------------------

REMARKS::(1) PNR26 deleted from sp3-file for day 287
            (manoeuvre)



                 
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#               281  282  283  284  285  286  287
----------------------------------------------------
onsa  105001   I'93      1511 1594 1551 1622 1631 1623 1634
kosg  110001 F I'93      1534 1259  110  590  766 1431 1652
mate  130001 F I'93      1673 1676 1684 1682 1551 1472 1477
nyal  140001   I'93      1318 1239    0  424 1338  139  110
trom  150001 F I'93       509 1671 1687 1476 1268  420 1685
wetb  160001 F I'93      1646 1658 1641 1630 1659 1648  778
pots  165001             1634 1618 1628 1473 1643 1633 1643
mets  180001   I'93      1218    0    0    0  125  244  120
zwen  190001             1515 1556 1183  382 1524 1537 1197
usud  200002             1622 1613 1613 1606 1606 1625 1577
tskb  205001             1728 1726 1745 1745 1738 1753 1712
taiw  220001 F           1599 1607 1638 1655 1659 1658 1630
kit3  235101             1702 1647 1661 1650 1683 1691 1675
lhas  240001             1381 1295 1595 1643 1612 1661 1626
irkt  280001             1716 1713 1285    0  426 1698 1662
tidb  305002 F I'93      1670 1649 1729 1717 1720 1612 1465
yar1  310001 F I'93      1594 1631 1619 1472 1517 1612 1578
hob2  321001             1702 1701 1685 1696 1687 1673 1671
mac1  330002             1233 1350 1373 1371 1362 1384 1392
algo  400003 F I'93      1327 1679 1656 1670 1681 1668 1677
stjo  405003   I'93      1709 1703 1710 1721 1689 1705 1716
wes2  408001   I'93      1659 1658 1616 1617 1648 1632 1631
nlib  409001   I'93      1600 1595 1598 1538 1603 1609 1624
gold  410001 F I'93      1600 1512 1637 1603 1677 1622 1545
jplm  415001   I'93      1686 1624 1667 1595  938  746  747
mdo1  418001             1640 1628 1629 1640 1646 1651 1637
fair  420001 F I'93      1669 1675 1707 1712 1717 1736 1695
yell  470004 F I'93      1541 1543 1568 1547 1554 1630 1651
drao  475003   I'93      1654 1639 1685 1693 1683 1692 1675
rcm5  482001 F           1581 1581 1631 1613 1625 1619 1630
brmu  485001   I'93      1611 1629 1634 1633 1648 1576 1672
thu1  490001             1883 1556 1645 1875 1678 1969 1833
sant  500001 F I'93      1640 1693 1474 1385 1398 1410 1417
kour  510001   I'93      1609 1617 1589 1552 1595 1594 1594
fort  520001             1515  849 1001 1563 1582 1585 1536
areq  530002             1673 1686 1695 1688 1699 1699 1675
braz  550001             1622 1585 1623 1623 1230    0    0
hart  600002 F I'93       842  944 1383 1430 1422 1453 1377
mas1  610101 F           1356 1310 1353 1301 1137 1054  988
sey1  620001              249  454    0  245  865  852  115
kokb  700001 F I'93      1664 1508 1623 1619 1611 1662 1001
pama  710001   I'93      1268 1283 1565 1605 1615 1613 1603
guam  730001             1573 1551 1582 1591 1572 1571 1512
mcm4  800201             1727 1685 1664 1733 1302  443 1675
dav1  810001              995  841  800 1167  576  901  534
cas1  820001             1304 1312 1326 1275  990 1324 1291
ohig  830001             1261  733  781  667  999  981  953
kerg  850001             1542 1621 1630 1639 1646 1593 1574
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     281  282  283  284  285  286  287
------------------------------------------
  1    2877 2810 2613 2584 2807 2575 2595
  2    2654 2712 2546 2538 2526 2545 2489
  4    2871 2883 2834 2785 2843 2761 2763
  5    2753 2681 2655 2646 2660 2583 2637
  6    2763 2686 2840 2761 2756 2767 2789
  7    2695 2719 2616 2580 2483 2391 2439
  9    2653 2622 2555 2502 2672 2665 2706
 12    2095 2153 2033 1987 2108 2029 2075
 14    2635 2746 2675 2549 2651 2559 2495
 15    2732 2798 2694 2577 2650 2693 2577
 16    2842 2904 2913 2896 2898 2800 2772
 17    2867 2786 2790 2900 2809 2821 2853
 18    2960 3086 3006 2892 2963 2918 2817
 19    3100 3120 3028 3064 3034 3038 2990
 20    2951 2810 2755 2680 2824 2750 2780
 21    2649 2612 2540 2605 2683 2646 2614
 22    3413 3353 3226 3237 3262 3204 3239
 23    2887 2790 2691 2712 2914 2793 2697
 24    3066 3013 2940 2923 2952 2868 2875
 25    3320 3219 3098 3012 3123 3061 3040
 26    2896 2887 2791 2800 2892 2798 2140
 27    3052 3029 2998 3038 2983 2820 2827
 28    2993 2934 2876 2820 2733 2730 2642
 29    3170 3104 2883 2898 2976 2833 2739
 31    2994 3005 2909 2972 2985 3005 2825
-----------------------------------------




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

YEAR: 95 DAYS: 281 to 287
      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      0.1     0.1     0.3   4000  FIXED UUUUUUU
 AREQ      6.8     2.4     4.0   5300        NNNNNNN
 BRAZ      6.9     5.0     3.9   5500        NNNNN..
 BRMU      9.0     3.2     6.6   4850        NNNNNNN
 CAS1      4.3     5.0     5.3   8200        NNNNNNN
 DAV1     31.5    12.6    10.4   8100        NNNNNNN
 DRAO      4.7     1.6     1.5   4750        NNNNNNN
 FAIR      0.3     0.3     0.2   4200  FIXED UUUUUUU
 FORT      8.3     5.1     3.7   5200        NNNNNNN
 GOLD      0.2     0.5     0.1   4100  FIXED UUUUUUU
 GUAM     10.2     4.7     6.8   7300        NNNNNNN
 HART      1.6     1.8     0.8   6000  FIXED NNNNNUU
 HOB2      5.8     2.0     4.4   3210        NNNNNNN
 IRKT      6.2     4.4     5.9   2800        NNN.NNN
 JPLM      5.1     2.5     1.7   4150        NNNNNNN
 KERG     18.0     4.8     9.7   8500        NNNNNNN
 KIT3      7.7     2.8     6.4   2351        NNNNNNN
 KOKB      0.5     0.4     0.4   7000  FIXED UUUUUUU
 KOSG      0.2     0.5     0.6   1100  FIXED UUUUUUU
 KOUR      6.2     3.2     5.2   5100        NNNNNNN
 LHAS     13.0     3.2     9.2   2400        NNNNNNN
 MAC1      6.6     2.4    10.6   3300        NNNNNNN
 MADR      0.1     0.3     0.4   1200  FIXED UUUUUUU
 MAS1      0.4     0.8     0.4   6101  FIXED UUNUUUU
 MATE      0.1     0.3     0.4   1300  FIXED UUUUUUU
 MCM4     35.9     2.1     8.4   8002        NNNNNNN
 MDO1      8.0     1.1     4.1   4180        NNNNNNN
 METS     27.2     7.3     5.7   1800        N...NNN
 NLIB      3.4     1.6     3.8   4090        NNNNNNN
 NYAL     45.3    17.1     6.7   1400        NN.NNNN
 OHIG     29.6     9.5    16.8   8300        NNNNNNN
 ONSA      7.2     2.7     3.9   1050        NNNNNNN
 PAMA     60.3     5.0    18.8   7100        NNNNNNN
 POTS      7.6     1.4     2.7   1650        NNNNNNN
 RCM5      0.3     0.3     0.4   4820  FIXED UUUUUUU
 SANT      0.2     0.3     0.3   5000  FIXED UUUUUUU
 SEY1    199.6    27.9   100.6   6200        NN.NNNN
 STJO      4.3     1.8     3.4   4050        NNNNNNN
 TAIW      0.2     0.3     0.2   2200  FIXED UUUUUUU
 THU1      8.4     2.3     3.0   4900        NNNNNNN
 TIDB      0.1     0.3     0.3   3050  FIXED UUUUUUU
 TROM      0.3     0.5     0.5   1500  FIXED NNNNNUU
 TSKB      8.1     4.7     3.0   2050        NNNNNNN
 USUD      6.7     3.5     4.1   2000        NNNNNNN
 WES2      6.7     1.5     3.6   4080        NNNNNNN
 WETT      0.1     0.3     0.2   1600  FIXED UUUUUUU
 YAR1      0.4     0.5     0.4   3100  FIXED UUUUUUU
 YELL      0.2     0.4     0.3   4700  FIXED UUUUUUU
 ZWEN      5.0     2.4     4.4   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: igs at gfz-potsdam.de (Thomas Mr. igs)]



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