[IGSREPORT-2469] Wk 0842 GFZ Analysis Report

G.Gendt G.Gendt
Thu Mar 7 04:00:12 PST 1996


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IGS Electronic Report    Thu Mar  7  4:00:12 PST 1996      Message Number 2469
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Author: G.Gendt, G. Dick, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0842 GFZ Analysis Report

Subject: Wk 0842 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0842 (DAYS 056-062, DATES 25-02-96 TO 02-03-96)
******************************************************************************

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: 
______________________________________________________________________________
gfz08427.sum           this text file
gfz08427.erp           Earth rotation parameters 
gfz08427.snx           Weekly SINEX File 
gfz0842[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0842       DAYS  056 - 062
_______________________________________________________________________________
  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
50138.500 -22120  38020 -29546954  1988    1    1    0    2    46 16 24
50139.500 -22085  38430 -29549015  2031    1    1    0    2    46 16 24
50140.500 -22023  38814 -29551109  2058    1    1    0    2    46 16 24
50141.500 -22017  39182 -29553193  2065    1    1    0    2    44 16 24
50142.500 -21895  39562 -29555324  2169    1    1    0    2    43 16 24
50143.500 -21759  39918 -29557415  2191    1    1    0    2    45 16 24
50144.500 -21583  40369 -29559511  2222    1    1    0    2    43 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  056    057    058    059    060    061    062    
-------------------------------------------------------
01    25     31     24     23     25     30     20 E
02    12     17     13     19     13     12     14  
04    17     15     15     14     15     13     19  
05    13     14     16     16     16     15     17  
06    46 E   46 E   46 E   39 E   41 E   34 E   48 E
07    36 E   41 E   33 E   41 E   41 E   38 E   43 E
09    11     26     17     15     25     22     18  
14    24     26     43     26     34     37     24  
15    21     17     38     19     21     23     28  
16    23     15      -      -      -      -      -  
17    27     22     25     32     21     28     32  
18    29     31     33     33 E   40 E   37 E   39 E
19    15     16     18     18     15     22     14  
20    15     15     15     15     15     12     14  
21    26     36     25     24     23     30     34  
22    16     11     19     13     15     14     15  
23     8     17     18     63     45     11     31  
24    17     16     17     15     22     15     19  
25     9     10     14     19     13     13     14  
26    25     26     28     32     27     27 E   29 E
27    10     13     13     13     15     22     19  
28    40 E   36 E   43 E   45 E   41 E   45 E   36 E
29    24     25     35     26     37 E   36 E   29 E
31    40 E   39 E   51 E   42 E   50 E   49 E   45 E

MEAN  24     25     28     29     29     28     28
---------------------------------------------------

REMARKS:(1) PNR16 deleted from sp3-file for day 058 and day 062
            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#               056  057  058  059  060  061  062
----------------------------------------------------
onsa  105001   I'93      1602 1603 1525  914 1479 1520 1491
kosg  110001 F I'93      1590 1564 1528 1517 1525 1512 1548
mate  130001 F I'93      1226 1550 1549 1515 1541 1520 1536
nyal  140001   I'93      1596 1551 1444 1545 1263  830  434
trom  150001 F I'93      1508 1537 1419 1415 1463 1444 1484
wetb  160001 F I'93      1622 1584 1530 1548 1510 1537 1552
wtzr  160101             1584 1559 1530 1507 1449 1491 1548
pots  165001             1582 1549 1533 1509 1513 1534 1560
mets  180001   I'93      1611 1581 1113  385 1485 1515 1507
zwen  190001             1578 1564 1486 1492 1476 1469 1501
usud  200002             1618 1615 1569 1556 1533 1502 1511
tskb  205001             1645 1658 1588 1583 1578 1568 1547
taiw  220001 F           1575 1582 1533 1534 1517 1514 1526
kit3  235101             1643  679    0    0    0  401 1595
iisc  270002             1578 1197 1143 1555 1569 1560 1565
irkt  280001             1185    0  397 1130    0  413 1573
tidb  305002 F I'93      1607 1574 1192 1196 1577 1208 1210
yar1  310001 F I'93      1639 1633 1575 1580 1590 1602 1191
mac1  330002              375 1053 1432 1091 1446 1487 1490
algo  400003 F I'93      1568 1519 1469 1466 1481 1474 1516
stjo  405003   I'93      1639 1578 1495 1465 1506 1454 1484
wes2  408001   I'93      1408 1521 1451 1469 1464 1464 1482
nlib  409001   I'93      1622 1570 1516 1531 1500 1513 1552
gold  410002 F I'93         0  351 1187 1248 1317 1134  416
jplm  415001   I'93      1652 1609 1577 1587 1586 1187    0
mdo1  418001             1662 1580 1568 1575 1576 1565 1592
fair  420001 F I'93      1519 1305 1501 1341 1411 1463 1089
yell  470004 F I'93      1545 1554 1509 1478 1521 1537 1542
drao  475003   I'93      1630 1620 1547 1519 1562 1546 1566
rcm5  482001 F           1609 1550 1509 1507 1505 1498 1557
brmu  485001   I'93      1524 1459 1437 1432 1400 1409 1491
thu1  490001             1650 1945 1879 1886 1884 1421    0
sant  500001 F I'93      1616 1582 1548 1543 1541 1538 1564
kour  510001   I'93      1505 1450 1354 1326 1277 1291 1383
fort  520001             1526 1484 1420 1446 1371 1373 1386
areq  530002             1660 1586 1207    0    0    0    0
bogt  540001             1613 1526 1399 1524 1499  348    0
lpgs  564301             1229 1274 1366  967 1136 1112  936
mas1  610101 F            691  627  891  854  824  814  749
mali  630001             1571 1488 1242 1356 1446 1457 1410
kokb  700002 F I'93      1637 1260 1234 1603 1606 1260 1608
pama  710002   I'93      1521 1435 1424 1431 1448 1420 1450
guam  730001             1545 1558 1483 1471 1472 1480 1094
mcm4  800201             1591 1612 1570 1552 1561 1593 1571
dav1  810001                0    0    0    0    0    0  395
cas1  820001              286 1370 1055    0    0    0    0
ohig  830001             1244  677  978 1052  725 1136 1300
kerg  850001             1449 1440 1462 1492 1508 1489 1488
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     056  057  058  059  060  061  062
------------------------------------------
  1    2831 2783 2802 2610 2701 2590 2353
  2    2594 2518 2475 2454 2502 2456 2386
  4    3396 3422 3353 3289 3323 3118 3078
  5    2812 2852 2888 2739 2859 2621 2496
  6    2916 2853 2888 2667 2797 2666 2515
  7    2956 2947 3022 2929 2831 2715 2657
  9    2532 2449 2556 2484 2475 2448 2265
 14    2989 2761 2825 2811 2787 2661 2620
 15    2606 2598 2523 2465 2508 2448 2409
 16    3266 2086    0    0    0    0  956
 17    2732 2709 2743 2579 2659 2542 2377
 18    2983 2960 2915 2712 2654 2655 2581
 19    2914 2732 2775 2795 2740 2651 2633
 20    2651 2632 2706 2547 2663 2604 2436
 21    2554 2487 2470 2251 2342 2391 2200
 22    2784 2799 2786 2716 2770 2720 2505
 23    2533 2587 2556 2345 2542 2472 2342
 24    3377 3407 3373 3277 3338 3116 2984
 25    3033 3056 3131 2924 3014 3006 2839
 26    2823 2850 2801 2689 2778 2548 2464
 27    2829 2786 2801 2759 2739 2629 2577
 28    2523 2468 2559 2363 2437 2393 2305
 29    2975 2901 2895 2876 2717 2691 2670
 31    2467 2520 2521 2412 2465 2462 2342
-----------------------------------------




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

YEAR: 96 DAYS:  56 to  62
      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      .3   4000  FIXED UUUUUUU 
 AREQ      1.5      .9     3.9   5300        NNN.... 
 BOGT     69.0     2.2    10.1   5400        NNNNNN. 
 BRMU     11.8     1.9     6.2   4850        NNNNNNN 
 CAS1     32.0     1.8     5.4   8200        NNN.... 
 DAV1       .0      .0      .0   8100        ......N 
 DRAO      4.7     1.9     2.4   4750        NNNNNNN 
 FAIR       .3      .4      .2   4200  FIXED UUUUUUU 
 FORT      7.6     4.0    10.9   5200        NNNNNNN 
 GOLD       .2      .2      .2   4100  FIXED .UUUUUU 
 GUAM     16.8     2.6     5.8   7300        NNNNNNN 
 IISC     25.5     3.2     9.3   2700        NNNNNNN 
 IRKT     10.3    11.0    10.8   2800        N.NN.NN 
 JPLM      7.3      .7     3.6   4150        NNNNNN. 
 KERG      9.7     5.6    10.7   8500        NNNNNNN 
 KIT3     15.0    10.5    16.0   2351        NN...NN 
 KOKB       .3      .5      .5   7000  FIXED UUUUUUU 
 KOSG       .1      .3      .3   1100  FIXED UUUUUUU 
 KOUR     20.0     4.3    17.1   5100        NNNNNNN 
 LPGS     23.6     2.5     6.5   5643        NNNNNNN 
 MAC1     20.0     7.5     9.8   3300        NNNNNNN 
 MALI      7.1     5.5    11.5   6300        NNNNNNN 
 MAS1       .6      .6     1.1   6101  FIXED UUUUUUU 
 MATE       .1      .2      .3   1300  FIXED UUUUUUU 
 MCM4     13.4     6.2     8.2   8002        NNNNNNN 
 MDO1      6.5     1.0     3.1   4180        NNNNNNN 
 METS      8.0     2.9     4.3   1800        NNNNNNN 
 NLIB      5.0     2.5     3.5   4090        NNNNNNN 
 NYAL      9.7     5.9     7.3   1400        NNNNNNN 
 OHIG     15.3     7.7     9.5   8300        NNNNNNN 
 ONSA      8.9      .9     2.4   1050        NNNNNNN 
 PAMA     21.4     5.9    16.4   7100        NNNNNNN 
 POTS      5.0      .9     2.2   1650        NNNNNNN 
 RCM5       .3      .3      .5   4820  FIXED UUUUUUU 
 SANT       .1      .3      .4   5000  FIXED UUUUUUU 
 STJO      8.8     1.9     3.8   4050        NNNNNNN 
 TAIW       .4      .1      .2   2200  FIXED UUUUUUU 
 THU1      5.5     5.9     2.7   4900        NNNNNN. 
 TIDB       .5      .8      .4   3050  FIXED UUUUUUN 
 TROM       .3      .2      .4   1500  FIXED UUNUUUU 
 TSKB      8.0     1.9     5.7   2050        NNNNNNN 
 USUD     16.2     1.8     4.0   2000        NNNNNNN 
 WES2      7.0     1.7     2.4   4080        NNNNNNN 
 WETT       .1      .2      .4   1600  FIXED UUUUUUU 
 WTZR      7.1      .9     1.2   1601        NNNNNNN 
 YAR1       .2      .2      .5   3100  FIXED UUUUUUU 
 YELL       .1      .4      .3   4700  FIXED UUUUUUU 
 ZWEN      8.3     4.2     6.9   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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