Subject: [IGSREPORT-0896] GFZ Analysis Report (week 743)
From: Gerd Gendt and Galina Dick
Date: Thu, 14 Apr 1994 4:43:13 PDT

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IGS Electronic Report    Thu Apr 14  4:43:13 PDT 1994      Message Number 0896
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Author: Gerd Gendt and Galina Dick
Subject: GFZ Analysis Report (week 743)

Subject: GFZ Analysis Report (743)

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GFZ ANALYSIS REPORT   GPS-WEEK 0743 (DAYS 093-099, DATES 03-04-94 TO 09-04-94)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, Th. Nischan, W. Mai 
              GeoForschungsZentrum Potsdam (GFZ)
             
              Telegrafenberg A17, D-14473 Potsdam, Germany
              e-mail:[email-masked]
              fax: (0331) 288 1111
              tel: (0331) 288 1114 

PRODUCT SUMMARY

FILES SENT TO IGN: 
______________________________________________________________________________
gfz07437.sum           this text file
gfz07437.erp           Earth rotation parameters 
gfz0743[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________

ERP RESULT

Attention: UT is given for midnight
           UT differences plus dLODR(ms) gives the adjusted LODR

  MJD        XP       YP  UT1R-IAT for 0h SIGX   SIGY  SIGLOD NS FIX NV  dLODR 
           arcsec   arcsec     sec      arcsec  arcsec   ms                ms
49445.500  0.17774  0.38883 -28.017040  0.00004 0.00004 0.005 29 20 27   0.1337
49446.500  0.17911  0.38662 -28.019380  0.00004 0.00004 0.005 30 20 27   0.2173
49447.500  0.17968  0.38443 -28.021720  0.00004 0.00004 0.005 30 20 27   0.2200
49448.500  0.18072  0.38243 -28.024060  0.00004 0.00005 0.005 30 20 27   0.1241
49449.500  0.18191  0.38094 -28.026400  0.00004 0.00004 0.005 30 20 27  -0.0307
49450.500  0.18251  0.37938 -28.028880  0.00005 0.00005 0.006 29 20 26  -0.0656
49451.500  0.18304  0.37704 -28.031360  0.00005 0.00005 0.006 29 20 26  -0.0082
-------------------------------------------------------------------------------

  MJD          LODR    +/-
             (ms/day)

-----------------------------
49445.5000    2.4737  0.005
49446.5000    2.5573  0.005
49447.5000    2.5600  0.005
49448.5000    2.4641  0.005
49449.5000    2.4493  0.005
49450.5000    2.4144  0.006
49451.5000    2.4718  0.006

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  093    094    095    096    097    098    099
-------------------------------------------------------
 1   142 E   51 E   41 E   77 E   78 E   88 E   61 E
 2    41     45     48     32     47     25     40  
 3    34     32     19     43     18      -      -  
 4    15     12      7     16     17     24      7  
 5    20     26     20     13     20     22     32  
 6   106 E   79 E  121 E  110 E   28 E   48 E    - E
 7    59 E   34 E   57 E   30 E   77 E   46 E   50 E
 9    18     23     59     24     30     30     35  
12    13     30     13      8     17     15     27  
13    19     12     16     15     12      -      -  
14    25     25     38     22     26     25     23  
15    19     30     22     30     14     41     21  
16    28     22     31     17     32     20     36  
17    41     39     33     47     16     31     33  
18    48 E   40 E   50 E   39 E   63 E   59 E   44 E
19    42     43     47     47     51     43     22  
20    39     54     36     20     16     29     23  
21    56     53     56     37     58     33     38  
22    22     17     19     28     34     27     14  
23    86     54     54     76     20     35     35  
24    15     15     20     19     15     20     19  
25    45     73     22     83     44     50     61  
26    85 E   55 E   91 E  100 E   72 E   80 E   52 E
27    26     37     45     41     39     37     30  
28    39 E   57 E   32 E   57 E   41 E   72 E   83 E
29    44 E   43 E   33 E   37 E   34 E   59 E   43 E
31    37 E   33 E   23 E   51 E   69 E   35 E   34 E
 
MEAN  46     42     40     49     42     44     40
---------------------------------------------------

REMARKS: (1) AS all days
         (2) PRN3  not used on days 98, 99 ( few data)
         (3) PRN6  not used on days 99     ( few data)
         (4) PRN13 not used on day  98, 99 ( few data)
                
CLOCK ESTIMATION:  ALGO was used as time reference.

STATIONS USED BY GFZ INCLUDING STATISTICS

Sampling rate: 6 minutes         
                                                          
 IGS  INTERNAL         OBSERVATIONS for DAY
------------------------------------------------------------
 CODE  STA#                93   94   95   96   97   98   99
----------------------------------------------------
onsa  105001   I'92      1702 1658 1680 1683 1598 1606 1602
kosg  110001 F I'92      1166 1300 1457 1643 1356 1456 1235
madr  120001 F I'92      1308 1179 1112 1392 1320 1095 1062
mate  130001 F           1358 1251 1006 1163 1189  990  862
trom  150001 F I'92      1632 1724 1769 1742 1672 1661 1577
wetb  160001 F I'92      1403 1313 1360 1243  933 1162 1130
mets  180001   I'92      1482 1344 1461 1566 1494  940  604
usud  200002             1640 1614 1661 1052 1232    0  366
taiw  220001 F I'92      1578 1371 1257 1174 1296 1064 1169
tidb  305001 F           1086 1181 1388 1538 1399 1171 1056
yar1  310001 F I'92      1286 1375 1255 1345 1345 1150 1300
hob1  320001             1576 1643 1343   95 1116 1607 1511
algo  400002 F I'92      1781 1802 1799 1752 1674 1652 1602
stjo  405002 F           1561 1594 1594 1562 1512 1466 1424
wes2  408001             1721 1733 1775 1784 1701 1640 1541
gold  410001 F I'92      1548 1328 1168 1105 1192 1161 1055
jplm  415001 F           1540 1373 1299 1282 1041 1154 1095
fair  420001 F I'92      1398 1448 1507 1465 1242  844  911
yell  470002 F I'92      1428 1499 1456 1402 1409 1424 1390
drao  475002 F           1824 1839 1799 1772 1725 1683 1634
rcm5  482001   I'92      1646 1749 1730 1669 1678 1601 1563
sant  500001 F I'92      1175 1136 1114  909  559  914  953
kour  510001 F           1600 1590 1633 1649 1578 1545 1518
fort  520001             1606 1600 1511 1232 1381  577 1525
areq  530002             1604 1718 1697 1642 1629 1538 1541
hart  600001 F I'92      1042 1080 1199 1158 1060  842 1001
masp  610001 F I'92      1766 1706 1714 1777 1742 1722 1660
kokb  700001 F I'92      1647 1638 1657 1600 1502 1184 1304
pama  710001             1283 1179 1249 1204 1142  968  951
mcmu  800002                0  487 1747 1689 1623  574    0
-----------------------------------------------------------

Note: F    - indicates a constrained fiducial site ( to 1-2 mm )
      I'92 - indicates that initial station coordinates are from ITRF'92

SATELLITES STATISTICS

                OBSERVATIONS for DAY
PRN      93   94   95   96   97   98   99
------------------------------------------
  1    1337 1314 1259 1324 1271 1091 1157
  2    1472 1348 1512 1295 1437 1174 1298
  3    2003 2073 2083 1887  813    0    0
  4    1817 1628 1745 1683 1527 1529 1822
  5    1742 1729 1681 1476 1604 1438 1440
  6    1595 1764 1747 1694 1708 1605  551
  7    1884 1653 1736 1635 1540 1541 1447
  9    1513 1382 1514 1576 1589 1491 1394
 12    1766 1791 1730 1678 1704 1605 1648
 13    2114 2069 2137 2094 1343   54  102
 14    1384 1429 1545 1393 1464 1375 1411
 15    1239 1392 1355 1292 1400 1237 1229
 16    1923 2000 1950 1918 2009 1671 1747
 17    1698 1734 1682 1614 1644 1449 1684
 18    1876 1861 1788 1660 1820 1749 1728
 19    1673 1653 1712 1645 1626 1587 1556
 20     817 1270 1549 1588 1560 1401 1298
 21    1496 1230 1308 1247 1290 1290 1155
 22    1347 1395 1531 1499 1330 1333 1433
 23    1485 1554 1540 1360 1450 1488 1334
 24    1992 1956 1746 1484 1745 1770 1891
 25    1563 1419 1502 1509 1544 1388 1581
 26    1615 1719 1639 1514 1698 1571 1587
 27    1619 1725 1684 1615 1736 1511 1451
 28    1456 1346 1523 1438 1293 1206 1357
 29    1691 1623 1681 1741 1763 1581 1644
 31    1270 1395 1518 1430 1432 1256 1197
-----------------------------------------

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