[IGSREPORT-2623] Wk 0850 GFZ Analysis Report

G.Gendt G.Gendt
Fri May 3 02:02:47 PDT 1996


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IGS Electronic Report    Fri May  3  2:02:47 PDT 1996      Message Number 2623
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0850 GFZ Analysis Report

Subject: Wk 0850 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0850 (DAYS 112-118, DATES 21-04-96 TO 27-04-96)
******************************************************************************

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: 
______________________________________________________________________________
gfz08507.sum           this text file
gfz08507.erp           Earth rotation parameters 
gfz08507.snx           Weekly SINEX File 
gfz0850[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0850       DAYS  112 - 118
_______________________________________________________________________________
  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
50194.500  -9702  55580 -29672578  2155    1    1    0    2    49 16 25
50195.500  -9352  55767 -29674754  2108    1    1    0    2    48 16 25
50196.500  -9023  55984 -29676954  2109    1    1    0    2    42 16 25
50197.500  -8655  56161 -29679164  2129    1    1    0    2    43 16 25
50198.500  -8316  56303 -29681365  2130    1    1    0    2    42 16 25
50199.500  -7946  56431 -29683582  2163    1    1    0    2    44 16 25
50200.500  -7515  56552 -29685913  2226    1    1    0    2    44 16 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  112    113    114    115    116    117    118    
-------------------------------------------------------
01    22     24     28     30     27     30     19  
02    19     21     19     20     16     22     19  
03    49     40     34     38     36     35     36  
04    26     18     20     21     24     24     22  
05    19     18     27     23     24     20     21  
06    23     18     21     33     18      -      -  
07    18     27     23     20     30     19     25  
09    41 E   40 E   57 E   65 E   48 E   57 E   47 E
14    18     15     21     18     24     22     20  
15    20     19     27     26     33     40     25  
16     -      -      -     50     40     45      -  
17    29     22     31     33     24     34     24  
18     -      -     20     17     26     28     22  
19    32 E   35 E   36 E   36 E   50 E   70 E   54 E
20    16     16     18     25     20     19     25  
21    18     17     20     18     20     23     15  
22    19     15     16     17     21     19     30  
23    14     19     20     19     19     14      9  
24    25     28     22     23     31     30     24  
25    27 E   23 E   38 E   39 E   42 E   60 E   48 E
26    24     25     23     21     29     28     23  
27    39 E   45 E   44 E   57 E   74 E   60 E   47 E
28    26     32     18     29     29     26     26  
29    21     16     23     17     25     21     21  
31    27     22     21     26     25     25     34  

MEAN  26     26     28     31     33     35     30
---------------------------------------------------

REMARKS:(1) PNR16 deleted from sp3-file for day 112,113,118
            modelling problems
        (2) PNR18 deleted from sp3-file for day 118
            modelling problems
        (3) PNR06 deleted from sp3-file for day 117
            (manouvre)

                 
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#               112  113  114  115  116  117  118
----------------------------------------------------
onsa  105001   I'93      1480 1357 1296 1609 1569 1488 1508
kosg  110001 F I'93      1525 1221    0    0    0    0    0
madr  120001 F I'93      1339 1543 1645 1630 1543 1494 1194
mate  130001 F I'93      1360 1472 1470 1615 1678 1550 1593
nyal  140001   I'93      1347 1537 1625 1635 1648 1554 1505
trom  150001 F I'93      1468 1155    0    0    0    0    0
wetb  160001 F I'93      1555 1602 1684 1684 1684 1561 1585
wtzr  160101             1499 1530 1643 1651 1633 1542 1555
pots  165001             1495 1512 1583 1633 1624 1523 1539
mets  180001   I'93      1529 1578 1642 1238  393 1548 1516
zwen  190001             1485 1527 1616 1631 1605 1578 1520
usud  200002             1575 1598 1657 1651 1641 1209  401
tskb  205001             1623 1647 1709 1698 1693 1655 1650
taiw  220001 F           1584 1617 1283 1290 1653 1246 1594
kit3  235101             1582 1624 1670 1667 1664 1608 1621
iisc  270002             1535 1579 1616 1616 1612 1571 1148
irkt  280001             1548 1630 1698 1687 1687 1630 1620
tidb  305002 F I'93      1539 1608 1661 1611 1574 1572 1566
yar1  310001 F I'93      1532 1542 1649 1659 1644 1597 1547
hob2  321001             1430 1132    0    0    0    0    0
mac1  330002             1266  988    0    0    0    0    0
algo  400003 F I'93      1455 1514 1600 1549 1545 1480 1502
stjo  405003   I'93      1498 1571 1661 1636 1620 1554 1555
wes2  408001   I'93      1448 1534 1596  939    0  969 1495
nlib  409001   I'93      1492 1544 1600 1597 1569 1479 1502
gold  410002 F I'93      1467 1548 1624 1657 1618 1518 1533
jplm  415001   I'93      1570 1624 1669 1674 1636 1519 1584
mdo1  418001             1535 1571 1659 1656 1616 1546 1590
fair  420002 F I'93      1515 1558 1653 1644 1525 1510 1555
yell  470004 F I'93      1530 1552 1588 1687 1628 1300  808
drao  475003   I'93      1571 1549 1699 1682 1644 1584 1625
rcm5  482001 F           1523 1577 1673 1660 1624 1528 1594
brmu  485001   I'93      1410 1468 1591 1593 1529 1407 1460
thu1  490001             1800 1864 1950 1957 1936 1829 1855
sant  500001 F I'93      1542 1588 1627 1632 1586 1518 1588
kour  510001   I'93      1339 1412 1504 1519 1413 1242 1387
fort  520001             1490 1232 1035 1128 1318 1445 1462
areq  530002             1085    0    0    0    0    0    0
bogt  540001             1367 1356 1415 1461 1444 1381 1399
lpgs  564301             1244 1471 1255 1240 1243 1521 1600
hart  600002 F I'93         0    0    0    0    0 1090 1569
mas1  610101 F           1476 1491 1609 1617 1616 1528 1204
mali  630001             1472 1501 1620 1664 1626 1444 1528
kokb  700002 F I'93      1560 1593 1610 1617 1578 1216 1669
pama  710002   I'93      1412 1477 1527 1544 1536 1469 1506
eisl  720001                0    0    0  415 1163  355 1120
guam  730001             1518 1532 1584 1540 1569 1572 1526
mcm4  800201             1194 1650 1686 1656 1215 1630 1237
dav1  810001             1437 1105    0    0    0    0    0
cas1  820001             1433 1084    0    0    0    0    0
kerg  850001             1508 1570 1633 1636 1585 1478 1535
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     112  113  114  115  116  117  118
------------------------------------------
  1    2969 2898 2495 2585 2583 2745 2763
  2    3244 3047 2778 2723 2637 2708 2779
  3    2696 2712 2488 2476 2393 2432 2368
  4    3247 3034 2756 2716 2576 2835 2800
  5    2883 2748 2427 2353 2345 2476 2532
  6    3149 3050 2733 2722 1921    0 2732
  7    3085 3002 2551 2571 2569 2723 2719
  9    2950 2836 2538 2560 2576 2568 2612
 14    2969 2774 2448 2438 2343 2410 2507
 15    2831 2677 2398 2413 2406 2408 2478
 16       0    0 3122 3062 3034 2039    0
 17    3118 3163 2710 2824 2670 2693 2790
 18     889 3004 2686 2603 2520 2727 2672
 19    3372 3129 2894 2808 2766 2901 2830
 20    2804 2589 2282 2367 2361 2515 2352
 21    3248 3033 2610 2702 2696 2716 2778
 22    3085 2979 2641 2731 2701 2742 2688
 23    3388 3367 2926 2933 2813 2941 2986
 24    3425 3257 2898 2882 2874 2967 2877
 25    3053 2830 2447 2582 2479 2589 2585
 26    3491 3397 3151 3133 3132 3178 3183
 27    3166 3101 2801 2687 2744 2843 2745
 28    2841 2817 2562 2517 2521 2569 2521
 29    3190 3045 2708 2693 2565 2669 2671
 31    3094 3046 2765 2724 2702 2644 2682
-----------------------------------------




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

YEAR: 96 DAYS: 112 to 118
      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      .1      .3   4000  FIXED UUUUUUU 
 AREQ       .0      .0      .0   5300        N...... 
 BOGT     26.4    12.7    12.9   5400        NNNNNNN 
 BRMU      4.9     1.2     4.7   4850        NNNNNNN 
 CAS1       .9     1.7     5.0   8200        NN..... 
 DAV1     13.9     4.0     5.4   8100        NN..... 
 DRAO      5.4     1.8     2.6   4750        NNNNNNN 
 EISL     78.2    10.2    29.6   7200        ...NNNN 
 FAIR       .2      .3      .2   4200  FIXED UUUUUUU 
 FORT     24.0     2.7    13.1   5200        NNNNNNN 
 GOLD       .1      .2      .2   4100  FIXED UUUUUUU 
 GUAM     18.3     3.8     8.1   7300        NNNNNNN 
 HART      1.3      .9      .3   6000        .....NN 
 HOB2      4.3     1.4     1.5   3210        NN..... 
 IISC     13.6     2.4    11.5   2700        NNNNNNN 
 IRKT      7.4     3.3     4.3   2800        NNNNNNN 
 JPLM      5.6     1.9     1.3   4150        NNNNNNN 
 KERG     17.5     5.2     9.6   8500        NNNNNNN 
 KIT3      7.1     3.4     6.7   2351        NNNNNNN 
 KOKB       .3      .5      .6   7000  FIXED UUUUUUU 
 KOSG       .1      .1      .1   1100  FIXED UU..... 
 KOUR     59.3     4.5    16.2   5100        NNNNNNN 
 LPGS     16.4     4.3     4.6   5643        NNNNNNN 
 MAC1     23.0     1.5     4.1   3300        NN..... 
 MADR       .1      .3      .2   1200  FIXED UUUUUUU 
 MALI     11.9     7.4    19.0   6300        NNNNNNN 
 MAS1       .3      .1      .3   6101  FIXED UUUUUUU 
 MATE       .2      .1      .2   1300  FIXED UUUUUUU 
 MCM4     22.1     7.8     9.1   8002        NNNNNNN 
 MDO1      5.9     1.6     1.4   4180        NNNNNNN 
 METS      4.8     1.7     4.5   1800        NNNNNNN 
 NLIB      4.0     1.3     2.0   4090        NNNNNNN 
 NYAL      6.1     1.5     2.8   1400        NNNNNNN 
 ONSA      4.9     1.8     3.1   1050        NNNNNNN 
 PAMA     22.9     3.5    13.4   7100        NNNNNNN 
 POTS      5.0     1.9     2.5   1650        NNNNNNN 
 RCM5       .2      .2      .2   4820  FIXED UUUUUUU 
 SANT       .2      .3      .4   5000  FIXED UUUUUUU 
 STJO      5.0     1.2     6.3   4050        NNNNNNN 
 TAIW       .4      .3      .4   2200  FIXED UUUUUUU 
 THU1      6.7     2.5     1.4   4900        NNNNNNN 
 TIDB       .5     1.0      .5   3050  FIXED UNNNNUN 
 TROM       .3      .5      .1   1500  FIXED UN..... 
 TSKB      8.1     2.5     4.7   2050        NNNNNNN 
 USUD     18.5     3.2     6.8   2000        NNNNNNN 
 WES2      7.4     1.3     6.6   4080        NNNN.NN 
 WETT       .1      .5      .3   1600  FIXED UUUUUUU 
 WTZR      9.0     2.5     2.6   1601        NNNNNNN 
 YAR1       .2      .4      .2   3100  FIXED UUUUUUU 
 YELL       .1      .2      .1   4700  FIXED UUUUUUU 
 ZWEN      8.8     1.7     4.8   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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