[IGSREPORT-2528] Wk 0845 GFZ Analysis Report

G.Gendt G.Gendt
Thu Mar 28 02:07:02 PST 1996


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IGS Electronic Report    Thu Mar 28  2:07:02 PST 1996      Message Number 2528
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0845 GFZ Analysis Report

Subject: Wk 0845 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0845 (DAYS 077-083, DATES 17-03-96 TO 23-03-96)
******************************************************************************

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: 
______________________________________________________________________________
gfz08457.sum           this text file
gfz08457.erp           Earth rotation parameters 
gfz08457.snx           Weekly SINEX File 
gfz0845[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0845       DAYS  077 - 083
_______________________________________________________________________________
  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
50159.500 -19009  45933 -29594043  2085    1    1    0    2    48 16 24
50160.500 -18735  46257 -29596092  1983    1    1    0    2    49 16 24
50161.500 -18385  46709 -29598225  2051    1    1    0    2    48 16 24
50162.500 -18072  47150 -29600352  2104    1    1    0    2    48 16 24
50163.500 -17820  47581 -29602474  2147    1    1    0    2    47 16 24
50164.500 -17646  47947 -29604567  2135    1    1    0    2    48 16 24
50165.500 -17531  48229 -29606770  2140    1    1    0    2    47 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  077    078    079    080    081    082    083    
-------------------------------------------------------
01    51 E   55 E   50 E   38 E   51 E   50 E   42 E
02    22     19     15     15     17     18     13  
04    21     16     27     21     26     17     18  
05    26     18     17     15     20     16     25  
06    40 E   43 E   42 E   42 E   42 E   41 E   41 E
07    58 E   56 E   65 E   40 E   54 E   37 E    - E
09    16     21     18     20     24     23     26  
14    22     21     29     26     28     22     28  
15    33     24     28     19     20     38     18  
16    17    111     43     18     23     20     16  
17    25     32     26     24     28     34     29  
18    46 E   36 E   36 E   43 E   38 E   40 E   39 E
19    19     17     18     16     22     27     20  
20    16     31     16     25     18     21     22  
21    20     16     15     16     18     29     19  
22    27     35     38     28     20     23     19  
23    11     14      8     10      8     16     12  
24    22     24     26     20     23     24     19  
25    18     22     21     21     33     20     29  
26    56 E   41 E   40 E   35 E   34 E   31 E   29 E
27    15     15     19     19     18     19     15  
28    79 E   78 E   86 E   78 E   71 E   70 E   52 E
29    33 E   33 E   33 E   40 E   40 E   39 E   35 E
31    26 E   29 E   29 E   26 E   33 E   27 E   31 E

MEAN  34     40     35     31     33     32     28
---------------------------------------------------

REMARKS:(1) PNR07 deleted from sp3-file for day 083 
            modelling problems

                 
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#               077  078  079  080  081  082  083
----------------------------------------------------
onsa  105001   I'93      1560 1560 1606 1514 1546 1582 1522
kosg  110001 F I'93      1598 1593 1599 1555 1592 1551 1540
madr  120001 F I'93      1564 1641 1618 1568 1198 1212 1514
mate  130001 F I'93      1608 1468 1507 1501 1407 1529 1376
nyal  140001   I'93         0  403 1337 1555 1621 1572 1557
trom  150001 F I'93      1567 1564 1498 1083    0    0    0
wetb  160001 F I'93      1474 1364 1415 1580 1582 1575 1521
wtzr  160101             1549 1546 1502 1551 1579 1517 1463
pots  165001             1579 1602 1482 1525 1590 1553 1530
mets  180001   I'93      1590 1607 1596 1550 1585 1567 1516
zwen  190001             1551 1481 1527 1446 1520 1554 1501
usud  200002             1603 1592 1606 1582 1582 1572 1520
tskb  205001             1640 1584 1617 1609 1623 1617 1574
taiw  220001 F           1542 1481 1498 1531 1538 1553 1472
kit3  235101             1625 1582 1223  392 1613 1238  391
iisc  270002             1617 1621 1606 1583 1593 1549 1518
irkt  280001             1565 1550 1586 1596 1608 1615 1050
tidb  305002 F I'93      1635 1644 1644 1581 1223 1257 1532
yar1  310001 F I'93      1636 1630 1609 1606 1585 1624 1591
hob2  321001             1571 1150    0    0    0    0    0
mac1  330002             1471 1061    0    0   48  817 1174
algo  400003 F I'93      1550 1552 1561 1502 1551 1536 1495
stjo  405003   I'93      1620 1621 1611 1619 1622 1579 1543
wes2  408001   I'93      1517 1530 1532 1545 1456 1463 1459
nlib  409001   I'93      1599 1601 1573 1557 1610 1587 1535
gold  410002 F I'93      1605 1396 1345 1436 1220 1249 1526
jplm  415001   I'93      1609 1584 1596 1508 1595 1649 1617
mdo1  418001             1240    0    0    0    0    0    0
fair  420001 F I'93       421  159  690 1522 1322 1631 1544
yell  470004 F I'93      1568 1566 1531 1565 1532 1521 1507
drao  475003   I'93      1605 1618 1640 1610 1616 1624 1585
rcm5  482001 F           1622 1611 1595 1589 1585 1583 1520
brmu  485001   I'93      1543 1519 1544 1536 1449 1452 1412
thu1  490001             1982 1856 1539 1650 2000 1985 1932
sant  500001 F I'93      1315 1300 1462 1603 1570 1586 1534
kour  510001   I'93      1400 1476 1456 1520 1496 1462 1427
fort  520001             1569 1559 1571 1567 1531 1504 1479
areq  530002             1599 1594 1582 1586 1554 1557 1526
bogt  540001                0    0   97 1208  754 1239 1430
lpgs  564301              852 1087  297  521  882 1352 1129
mas1  610101 F              0  341  657  305    0  245  745
mali  630001             1118 1491 1535 1473 1474 1447 1498
kokb  700002 F I'93      1206  797 1212 1205 1252 1232 1597
pama  710002   I'93      1503 1412 1453 1208 1131 1375 1172
eisl  720001             1601 1533 1532 1586 1600 1582 1557
guam  730001             1563 1548 1537 1522 1553 1558 1526
mcm4  800201             1625 1620 1621 1633 1202  382 1550
dav1  810001             1481 1497 1461 1500 1504 1470 1435
cas1  820001             1552 1514 1534 1486 1524 1507 1457
ohig  830001             1378  957  348  377  338  900    0
kerg  850001             1469 1488 1534 1501 1503 1473 1444
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     077  078  079  080  081  082  083
------------------------------------------
  1    2874 2650 2492 2129 1773 2654 2688
  2    2902 2747 2692 2651 2710 2681 2707
  4    3355 3351 3254 3325 3217 3269 3400
  5    2854 2772 2763 2878 2802 2784 2876
  6    2935 2946 2931 2934 2908 2947 2940
  7    2892 2785 2776 2812 2739 1938    0
  9    2807 2553 2549 2581 2615 2659 2685
 14    3109 2908 2892 2780 2745 2854 2939
 15    2845 2668 2552 2570 2473 2637 2692
 16    3282 3133 3083 3184 3138 3292 3403
 17    3015 2893 2894 2959 2889 2974 2984
 18    2891 2909 2912 2892 2912 2934 3050
 19    3119 3063 2946 2917 2937 2943 2996
 20    2885 2727 2649 2802 2725 2853 2856
 21    2813 2656 2564 2651 2562 2688 2743
 22    3017 2957 2911 2920 2871 2974 2905
 23    2920 2769 2701 2782 2730 2881 2907
 24    3370 3303 3184 3237 3190 3349 3497
 25    3179 3027 2921 3042 2976 3113 3100
 26    3081 3053 3025 3026 2961 2933 3057
 27    3132 3098 3021 2940 2935 2922 3025
 28    2947 2714 2568 2745 2663 2790 2778
 29    3032 2999 2817 2896 2844 2914 2989
 31    3001 2870 2625 2695 2744 2801 2826
-----------------------------------------




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

YEAR: 96 DAYS:  77 to  83
      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      .2      .2   4000  FIXED UUUUUUU 
 AREQ      4.4     2.1     3.7   5300        NNNNNNN 
 BOGT     76.1     3.1    21.8   5400        ..NNNNN 
 BRMU     11.0     2.2     5.4   4850        NNNNNNN 
 CAS1      9.6     4.8     6.5   8200        NNNNNNN 
 DAV1     10.2     5.1    13.1   8100        NNNNNNN 
 DRAO      4.4     1.4     3.0   4750        NNNNNNN 
 EISL     25.8     4.6     9.0   7200        NNNNNNN 
 FAIR       .5     1.2      .4   4200  FIXED UNUUUUU 
 FORT      6.8     3.6    10.1   5200        NNNNNNN 
 GOLD       .2      .3      .3   4100  FIXED UUUUUUU 
 GUAM     22.0     5.7     3.8   7300        NNNNNNN 
 HOB2     15.0     3.3     3.9   3210        NN..... 
 IISC     22.2     4.2     9.3   2700        NNNNNNN 
 IRKT     14.5     3.0     6.4   2800        NNNNNNN 
 JPLM      6.2     1.7     3.4   4150        NNNNNNN 
 KERG     20.6     5.2     7.2   8500        NNNNNNN 
 KIT3     19.8     3.5     5.6   2351        NNNNNNN 
 KOKB       .4      .3      .5   7000  FIXED UUUUUUU 
 KOSG       .0      .1      .4   1100  FIXED UUUUUUU 
 KOUR     12.2      .9     5.5   5100        NNNNNNN 
 LPGS     62.4     4.8    27.8   5643        NNNNNNN 
 MAC1    120.5    28.1   110.2   3300        NN..NNN 
 MADR       .1      .2      .3   1200  FIXED UUUUUUU 
 MALI     19.6     5.7    13.4   6300        NNNNNNN 
 MAS1       .8      .7     1.5   6101  FIXED .UUU.UN 
 MATE       .1      .3      .3   1300  FIXED UUUUUUU 
 MCM4     38.2     7.9     3.5   8002        NNNNNNN 
 MDO1       .0      .0      .0   4180        N...... 
 METS      4.8     2.3     3.7   1800        NNNNNNN 
 NLIB      7.3     1.2     2.1   4090        NNNNNNN 
 NYAL     11.8     4.8     8.4   1400        .NNNNNN 
 OHIG     37.9     8.6     5.8   8300        NNNNNN. 
 ONSA      3.0      .6     2.8   1050        NNNNNNN 
 PAMA     23.5     3.1    16.9   7100        NNNNNNN 
 POTS      4.2      .5     2.7   1650        NNNNNNN 
 RCM5       .1      .3      .3   4820  FIXED UUUUUUU 
 SANT       .2      .4      .4   5000  FIXED UUUUUUU 
 STJO     11.7     1.7     4.3   4050        NNNNNNN 
 TAIW       .2      .1      .3   2200  FIXED UUUUUUU 
 THU1      5.3     1.9     4.9   4900        NNNNNNN 
 TIDB       .4      .8      .4   3050  FIXED UUUUNNU 
 TROM       .1      .2      .3   1500  FIXED UUUU... 
 TSKB      4.3     3.0     4.6   2050        NNNNNNN 
 USUD      5.2     2.4     5.9   2000        NNNNNNN 
 WES2      4.9     1.8     4.1   4080        NNNNNNN 
 WETT       .1      .3      .2   1600  FIXED UUUUUUU 
 WTZR      3.6      .8     3.3   1601        NNNNNNN 
 YAR1       .3      .4      .4   3100  FIXED UUUUUUU 
 YELL       .1      .2      .2   4700  FIXED UUUUUUU 
 ZWEN      7.2     1.8     3.0   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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