[IGSREPORT-2584] Wk 0848 GFZ Analysis Report

G.Gendt G.Gendt
Thu Apr 18 06:27:15 PDT 1996


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IGS Electronic Report    Thu Apr 18  6:27:15 PDT 1996      Message Number 2584
******************************************************************************

Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0848 GFZ Analysis Report

Subject: Wk 0848 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0848 (DAYS 098-104, DATES 07-04-96 TO 13-04-96)
******************************************************************************

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: 
______________________________________________________________________________
gfz08487.sum           this text file
gfz08487.erp           Earth rotation parameters 
gfz08487.snx           Weekly SINEX File 
gfz0848[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0848       DAYS  098 - 104
_______________________________________________________________________________
  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
50180.500 -13986  52075 -29640948  2297    1    1    0    2    45 16 24
50181.500 -13752  52279 -29643239  2277    1    1    0    2    45 16 24
50182.500 -13424  52521 -29645521  2242    1    1    0    2    45 16 24
50183.500 -13133  52827 -29647833  2266    1    1    0    2    43 16 25
50184.500 -12865  53112 -29650144  2289    1    1    0    2    46 16 25
50185.500 -12555  53400 -29652445  2291    1    1    0    2    46 16 25
50186.500 -12237  53680 -29654760  2321    1    1    0    2    46 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  098    099    100    101    102    103    104
-------------------------------------------------------
 1    27     38     30     30     29      -      -  
 2    15     13     16     16     18     17     16  
 4    17     13     14     13     17     13     19  
 5    20     25     18     22     18     20     15  
 6    25     25     33     26     21     20     19  
 7    29     24     27     31     45     34     40  
 9    24     24     21     31     29     31     26  
14    20     22     18     16     18     21     20  
15    36     25     29     26     31     31     24  
16    15     11     13     13     12      8      -  
17    29     28     28     33     33     28     28  
18    26     21     22     30     24     23     23  
19    24     24     25     37     30     32     30  
20    17     23     12     23     14     15     16  
21    16     16     15     15     19     17     21  
22    15     15     16     13     12      9     19  
23    12     11      5      8      4      7     19  
24    18     16     16     17     22     15     24  
25    19     25     19     19     24     20     20  
26    19     20     18     21     19     20     20  
27    23     26     25     29     29     27     26  
28    30     24     24     33     31     26     25  
29    20     21     21     18     21     20     24  
31    18     21     24     25     21     22     25  
 
MEAN  22     22     21     24     24     22     23
---------------------------------------------------

REMARKS:(1) PNR16 deleted from sp3-file for day 104
            modelling problems
        (2) PNR03 deleted from sp3-file for week
            (manouvre at 09:56)
        (3) PNR01 deleted from sp3-file for day 103
            (manouvre at 09:56)

                 
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#               098  099  100  101  102  103  104
----------------------------------------------------
onsa  105001   I'93      1613 1579 1596 1616 1623 1493 1575
kosg  110001 F I'93      1586 1589 1587 1632 1662 1542 1635
madr  120001 F I'93      1588 1446 1462 1696 1686 1567 1626
mate  130001 F I'93      1535 1474 1587 1672 1649 1584 1629
nyal  140001   I'93      1679 1689 1647 1674 1680 1591 1631
trom  150001 F I'93      1650 1635 1556 1666 1233    0  412
wetb  160001 F I'93      1595 1602 1569 1649 1647 1580 1658
wtzr  160101             1554 1598 1586 1620 1591 1510 1602
pots  165001             1558 1572 1565 1623 1643 1551 1620
mets  180001   I'93      1618 1182    0    0  398 1570 1610
zwen  190001             1599 1597 1188    0 1160 1521 1536
usud  200002             1639 1637 1638 1620 1604 1539 1558
tskb  205001             1573 1578 1634 1740 1719 1638 1659
taiw  220001 F           1159 1529 1534 1665 1670 1572 1580
kit3  235101             1620 1644 1606 1683 1681 1202  423
iisc  270002             1625 1613 1224    0    0    0    0
irkt  280001             1609 1611 1619 1705 1708 1659 1650
tidb  305002 F I'93      1527 1622 1609 1656 1577 1536 1572
yar1  310001 F I'93      1408 1665 1653 1599 1565 1560 1194
hob2  321001                0    0    0    0  346 1523 1557
algo  400003 F I'93      1641 1614 1614 1673 1606 1519 1583
stjo  405003   I'93      1539 1631 1617 1662 1669 1528 1572
wes2  408001   I'93      1570 1620 1583 1617 1616 1482 1561
nlib  409001   I'93      1619 1637 1654 1660 1085 1532 1612
gold  410002 F I'93      1574 1527 1549 1672 1610 1293 1270
jplm  415001   I'93      1542 1609 1665 1647 1639 1577 1645
mdo1  418001             1687 1683 1680 1680 1655 1544 1635
fair  420001 F I'93      1663 1655 1675 1639 1550 1382 1577
yell  470004 F I'93      1615 1595 1596 1691 1694 1554 1601
drao  475003   I'93      1684 1689 1681 1605 1596 1623 1675
rcm5  482001 F           1611 1633 1632 1628 1634 1521 1593
brmu  485001   I'93      1581 1576 1592 1560 1626 1470 1548
thu1  490001             1974 1462 1967 1976 1928 1877 1928
sant  500001 F I'93      1643 1638 1610 1681 1686 1589 1661
kour  510001   I'93      1545 1508 1496 1533 1584 1423 1481
fort  520001             1574 1584 1578 1520 1526 1533 1545
areq  530002             1623 1644 1643 1661 1642 1588 1618
bogt  540001             1564 1606 1602  941 1312 1017    0
lpgs  564301             1290 1517  887  416 1201 1199 1009
mas1  610101 F              0    0  265  603    0  241  564
mali  630001             1612 1644 1575  964  376 1183  372
kokb  700002 F I'93      1225 1603 1221 1242 1225  788  389
pama  710002   I'93      1423 1376 1486 1560 1535 1402 1081
eisl  720001             1651 1665 1200    0    0    0    0
guam  730001             1545 1548 1522 1530 1510 1478 1456
mcm4  800201             1242  427 1655 1174 1616 1100 1194
dav1  810001                0    0    0  277  980  327 1470
cas1  820001                0    0    0    0  358 1446 1480
kerg  850001             1544 1566 1516 1572 1559 1578 1507
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     098  099  100  101  102  103  104
------------------------------------------
  1    2761 2754 2809 2630 2215    0 2614
  2    2814 2814 2663 2464 2524 2653 2639
  3       0    0    0 1415 1583 1695 1729
  4    3123 3021 2999 2716 2866 3005 2885
  5    2852 2818 2645 2451 2570 2562 2442
  6    3130 3196 3077 2860 2985 2943 2855
  7    2710 2717 2679 2449 2533 2684 2586
  9    2805 2861 2800 2685 2554 2704 2699
 14    2763 2705 2635 2441 2595 2693 2523
 15    2408 2363 2383 2174 2272 2454 2384
 16    3342 3363 3236 2982 3111 1993 1116
 17    3113 3057 3024 2755 2986 2925 2916
 18    3115 2994 2908 2669 2772 2939 2890
 19    3075 3021 2908 2612 2765 2908 2890
 20    2581 2689 2651 2470 2567 2561 2403
 21    2680 2759 2741 2535 2639 2711 2627
 22    3007 2928 2851 2695 2663 2688 2595
 23    3005 3005 3029 2843 2967 3004 2888
 24    3329 3281 3205 2975 3122 3240 3134
 25    2827 2895 2870 2663 2749 2816 2611
 26    3286 3341 3199 2969 3100 3235 3171
 27    3078 3040 2930 2665 2744 2937 2886
 28    2851 2737 2785 2537 2573 2591 2521
 29    2935 2930 2803 2599 2731 2871 2701
 31    2926 2830 2791 2646 2674 2720 2649
-----------------------------------------




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

YEAR: 96 DAYS:  98 to 104
      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      .4      .3   4000  FIXED UUUUUUU 
 AREQ      6.1     1.2     3.1   5300        NNNNNNN 
 BOGT     20.4     2.2    11.3   5400        NNNNNN. 
 BRMU      9.7     1.7     3.5   4850        NNNNNNN 
 CAS1     15.9     6.8     4.7   8200        ....NNN 
 DAV1     16.2    11.9     7.8   8100        ...NNNN 
 DRAO      4.5     1.1     2.0   4750        NNNNNNN 
 EISL     12.6      .8     8.2   7200        NNN.... 
 FAIR       .2      .4      .2   4200  FIXED UUUUUUU 
 FORT     15.2     4.7     9.6   5200        NNNNNNN 
 GOLD       .2      .3      .2   4100  FIXED UUUUUUU 
 GUAM     20.1     5.0     7.3   7300        NNNNNNN 
 HOB2      4.6     1.6     6.5   3210        ....NNN 
 IISC     15.6     4.2    13.5   2700        NNN.... 
 IRKT      9.7     2.7     7.4   2800        NNNNNNN 
 JPLM      3.3     1.4     1.8   4150        NNNNNNN 
 KERG     16.9     3.4    12.4   8500        NNNNNNN 
 KIT3     27.4     7.7     4.4   2351        NNNNNNN 
 KOKB      1.0      .9     2.7   7000  FIXED UUUUUNN 
 KOSG       .1      .2      .2   1100  FIXED UUUUUUU 
 KOUR     17.3     2.9     4.8   5100        NNNNNNN 
 LPGS     27.7     2.9     2.2   5643        NNNNNNN 
 MADR       .1      .3      .3   1200  FIXED UUUUUUU 
 MALI     42.6     7.8    28.0   6300        NNNNNNN 
 MAS1      1.1     1.5     1.0   6101  FIXED ..UN.UN 
 MATE       .1      .2      .2   1300  FIXED UUUUUUU 
 MCM4     49.4     8.2    12.4   8002        NNNNNNN 
 MDO1      5.6      .9     1.3   4180        NNNNNNN 
 METS      3.7      .8     1.6   1800        NN..NNN 
 NLIB      8.2      .7     2.7   4090        NNNNNNN 
 NYAL      6.4     3.3     3.3   1400        NNNNNNN 
 ONSA      2.1     1.0     1.9   1050        NNNNNNN 
 PAMA     25.8     5.2    25.3   7100        NNNNNNN 
 POTS      2.6     1.1     1.8   1650        NNNNNNN 
 RCM5       .2      .3      .2   4820  FIXED UUUUUUU 
 SANT       .1      .2      .1   5000  FIXED UUUUUUU 
 STJO      4.9     1.6     2.9   4050        NNNNNNN 
 TAIW       .2      .3      .2   2200  FIXED UUUUUUU 
 THU1      8.0     1.8     1.4   4900        NNNNNNN 
 TIDB       .5      .7      .4   3050  FIXED UUNUUUU 
 TROM       .6      .7      .3   1500  FIXED UUUUU.N 
 TSKB      6.8     1.5     2.2   2050        NNNNNNN 
 USUD      4.7     2.2     3.9   2000        NNNNNNN 
 WES2      4.1     7.0     7.7   4080        NNNNNNN 
 WETT       .1      .2      .2   1600  FIXED UUUUUUU 
 WTZR      5.7     2.5     3.8   1601        NNNNNNN 
 YAR1       .2      .4      .4   3100  FIXED UUUUUUU 
 YELL       .2      .4      .2   4700  FIXED UUUUUUU 
 ZWEN      8.4     1.6     1.1   1900        NNN.NNN 
--------------------------------------------------------------------------------


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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