[IGSREPORT-2431] Wk 0840 GFZ Analysis Report

G.Gendt G.Gendt
Thu Feb 22 02:55:52 PST 1996


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IGS Electronic Report    Thu Feb 22  2:55:52 PST 1996      Message Number 2431
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0840 GFZ Analysis Report

Subject: Wk 0840 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0840 (DAYS 042-048, DATES 11-02-96 TO 17-02-96)
******************************************************************************

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: 
______________________________________________________________________________
gfz08407.sum           this text file
gfz08407.erp           Earth rotation parameters 
gfz08407.snx           Weekly SINEX File 
gfz0840[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0840       DAYS  042 - 048
_______________________________________________________________________________
  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
50124.500 -22488  32706 -29519466  1933    1    1    0    3    45 16 24
50125.500 -22323  33000 -29521352  1904    1    2    0    3    45 16 24
50126.500 -22217  33334 -29523276  1953    1    2    0    3    46 16 24
50127.500 -22100  33664 -29525168  1937    1    2    0    2    45 15 24
50128.500 -21968  34051 -29527090  1980    1    2    0    3    45 16 24
50129.500 -21919  34536 -29528993  1986    2    2    0    3    43 16 24
50130.500 -21911  34998 -29530981  2041    2    2    0    3    45 16 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  042    043    044    045    046    047    048    
-------------------------------------------------------
01    20     25     23     18     20     20     19  
02    13     15     24     23     17     36     21  
04    16     17     13     15     15     18     13  
05    18     19     21     16     18     16     16  
06    35     41     36     33     36 E   40 E   41 E
07    25     22 E   37 E   30 E   38 E   35 E   36 E
09    21     21     17     23     16      9     22  
14    30 E   29 E   32 E   26 E   27 E   24 E   31 E
15    17     26     18     25     27     35     41  
16    28 E   27 E   24 E   29 E   25 E   34 E   20 E
17    31     36     27     30     35     31     30  
18    21     23     25     22     31     26     26  
19    16     19     13     12     22     23     23  
20    22     21     22     17     21     20     17  
21    27     26     29     42     28     34     34  
22    16     25     26     15     15     20     17  
23    25 E   14 E    5 E   39 E    5 E   13 E   17 E
24    17     20     18     20     16     18     15  
25    14     15     14     14     15     11     10  
26    17     21     23     25     24     23     21  
27    10     14     14     15     17     16     15  
28    29     57     42 E   26 E   38 E   42 E   47 E
29    24     19     27     20     23     22     24  
31    24     40 E   42 E   38 E   27 E   40 E   47 E

MEAN  22     27     26     25     25     27     27
---------------------------------------------------

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#               042  043  044  045  046  047  048
----------------------------------------------------
onsa  105001   I'93      1602 1596 1577 1571 1560 1519 1546
kosg  110001 F I'93      1212 1046 1017 1517 1528 1525 1546
madr  120001 F I'93      1547 1536 1471 1553 1532 1489 1556
mate  130001 F I'93      1617 1553 1390 1451 1526 1481 1440
nyal  140001   I'93      1648 1672 1588 1609 1585 1583 1550
trom  150001 F I'93      1558 1588 1569 1592 1536 1559 1561
wetb  160001 F I'93      1607 1591 1599 1598 1595 1554 1577
wtzr  160101             1601 1572 1561 1555 1578 1573 1575
pots  165001             1606 1557 1579 1591 1562 1556 1540
mets  180001   I'93      1608 1596 1584 1576 1559 1488 1532
zwen  190001             1455 1527 1506 1054    0    0  367
usud  200002             1648 1638 1625 1630 1632 1639 1641
tskb  205001             1680 1626 1650 1359 1188 1601 1648
taiw  220001 F           1609 1575 1595 1563 1552 1517 1546
kit3  235101             1616 1595 1211  371 1225    0  828
iisc  270002             1595 1611 1355 1348 1581 1185 1115
irkt  280001                0  432 1652 1629 1619 1623 1618
tidb  305002 F I'93      1633 1130  404 1640 1659 1619 1644
yar1  310001 F I'93      1655 1667 1654 1666 1664 1631 1660
algo  400003 F I'93      1547 1540 1538 1538 1490 1464 1503
stjo  405003   I'93      1561 1553 1525 1520 1499 1553 1525
wes2  408001   I'93      1537 1476 1511 1542 1448 1472 1475
nlib  409001   I'93      1601 1606 1588 1605 1545 1525 1527
gold  410002 F I'93      1475 1468 1526 1563 1531 1525  633
jplm  415001   I'93      1662 1656 1604 1611 1579 1577 1589
mdo1  418001             1657 1647 1615 1641 1606 1593 1601
fair  420001 F I'93      1570 1569 1581 1579 1573 1541 1556
yell  470004 F I'93      1578 1547 1473 1506 1516 1496 1537
drao  475003   I'93      1609 1607 1593 1581 1547 1570 1554
rcm5  482001 F           1423 1404  746    0  349  891  925
brmu  485001   I'93      1550 1490 1519 1546 1419 1450 1503
thu1  490001             1941 1917 1912 1939 1921 1919 1912
sant  500001 F I'93      1543 1550 1547 1541 1512 1465 1488
kour  510001   I'93      1497 1472 1549 1560 1490 1425 1365
fort  520001             1536 1456 1451 1480 1147   50    0
areq  530002             1620 1613 1611 1609 1630 1616 1596
lpgs  564301             1580 1606 1593 1198  371 1338 1542
mas1  610101 F            949 1040 1012 1115 1045 1074  788
mali  630001             1205    0 1062 1381 1190    0  668
kokb  700002 F I'93      1223 1208 1613 1622 1621 1225 1614
pama  710002   I'93      1595 1583 1575 1535 1489 1475 1436
eisl  720001             1609 1623 1602 1593 1585 1583 1543
guam  730001             1598 1589 1556 1551 1568 1571 1556
mcm4  800201             1646 1606 1584 1609 1610 1565 1546
ohig  830001             1065  870  986  832  862  992  984
kerg  850001             1509 1424 1502 1509 1487 1348 1443
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     042  043  044  045  046  047  048
------------------------------------------
  1    2987 2916 2928 2816 2801 2741 2812
  2    2751 2707 2641 2649 2625 2485 2537
  4    3537 3404 3418 3414 3427 3313 3346
  5    2987 2887 3027 2987 2848 2818 2899
  6    2903 2773 2945 2934 2820 2743 2876
  7    3323 3107 3063 3009 3078 2994 2940
  9    2795 2678 2804 2713 2752 2631 2655
 14    2842 2807 2802 2813 2706 2516 2627
 15    2844 2771 2781 2803 2688 2546 2602
 16    3040 2939 2922 2871 2230 1506 1802
 17    2677 2483 2650 2552 2477 2472 2450
 18    3067 3077 2993 3000 2940 2928 2950
 19    2783 2782 2766 2745 2635 2467 2556
 20    2720 2781 2854 2835 2759 2614 2742
 21    2608 2446 2496 2496 2428 2354 2396
 22    2794 2737 2761 2821 2683 2572 2627
 23    2409 2339 2371 2347 2388 2314 2318
 24    3360 3316 3253 3222 3356 3304 3256
 25    3104 3038 3080 3058 2887 2819 2967
 26    2932 2687 2706 2694 2687 2620 2647
 27    2865 2767 2745 2687 2647 2435 2477
 28    2430 2416 2350 2419 2293 2354 2357
 29    2953 2960 2900 2875 2764 2605 2730
 31    2672 2410 2305 2419 2392 2294 2330
-----------------------------------------




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

YEAR: 96 DAYS:  42 to  48
      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       .1      .3      .1   4000  FIXED UUUUUUU 
 AREQ      3.5     1.3     3.9   5300        NNNNNNN 
 BRMU     11.8     3.2     3.9   4850        NNNNNNN 
 DRAO      4.6     1.0     2.4   4750        NNNNNNN 
 EISL     12.3     4.9     3.9   7200        NNNNNNN 
 FAIR       .1      .4      .3   4200  FIXED UUUUUUU 
 FORT     40.7    26.9    88.0   5200        NNNNNN. 
 GOLD       .3      .3      .2   4100  FIXED UUUUUUU 
 GUAM      9.5     3.3     8.2   7300        NNNNNNN 
 IISC     29.5     3.0     9.3   2700        NNNNNNN 
 IRKT      9.6     4.5     6.7   2800        .NNNNNN 
 JPLM      5.1     2.5     2.7   4150        NNNNNNN 
 KERG     21.1     7.7    12.3   8500        NNNNNNN 
 KIT3     13.1     3.9     2.9   2351        NNNNN.N 
 KOKB       .3      .2      .3   7000  FIXED UUUUUUU 
 KOSG       .1      .2      .5   1100  FIXED UUUUUUU 
 KOUR     13.5     4.1     8.5   5100        NNNNNNN 
 LPGS      9.6     2.6     4.9   5643        NNNNNNN 
 MADR       .1      .4      .3   1200  FIXED UUUUUUU 
 MALI     36.8     7.0    13.3   6300        N.NNN.N 
 MAS1       .5      .6     1.6   6101  FIXED UUUUUUU 
 MATE       .1      .4      .4   1300  FIXED UUUUUUU 
 MCM4     26.3     8.9     9.9   8002        NNNNNNN 
 MDO1     10.5     2.5     2.4   4180        NNNNNNN 
 METS      7.0     2.8     3.5   1800        NNNNNNN 
 NLIB      3.1     2.5     2.1   4090        NNNNNNN 
 NYAL      9.4     2.6     2.5   1400        NNNNNNN 
 OHIG     20.5     3.7     8.2   8300        NNNNNNN 
 ONSA      5.7     1.8     2.1   1050        NNNNNNN 
 PAMA      6.0     4.2    11.8   7100        NNNNNNN 
 POTS      7.4     1.2     2.5   1650        NNNNNNN 
 RCM5       .3      .3      .8   4820  FIXED UUU.UUU 
 SANT       .2      .3      .2   5000  FIXED UUUUUUU 
 STJO      6.9     2.4     2.5   4050        NNNNNNN 
 TAIW       .3      .1      .2   2200  FIXED UUUUUUU 
 THU1      5.2      .7     2.2   4900        NNNNNNN 
 TIDB       .6     1.1      .7   3050  FIXED UUNNUUU 
 TROM       .3      .1      .3   1500  FIXED UUUUUUU 
 TSKB      9.9     2.7     3.6   2050        NNNNNNN 
 USUD      7.1     3.6     2.2   2000        NNNNNNN 
 WES2     13.1     2.0     1.9   4080        NNNNNNN 
 WETT       .1      .6      .3   1600  FIXED UUUUUUU 
 WTZR      9.0     2.3     5.5   1601        NNNNNNN 
 YAR1       .5      .6      .2   3100  FIXED UUUUUUU 
 YELL       .2      .3      .1   4700  FIXED UUUUUUU 
 ZWEN     18.3     2.2     4.1   1900        NNNN..N 
--------------------------------------------------------------------------------


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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