[IGSREPORT-8224] Wk 1110 JPL Analysis Report

David C Jefferson djeff at cobra.jpl.nasa.gov
Tue May 1 16:57:08 PDT 2001


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IGS Electronic Report   01 May 16:57:09 PDT 2001      Message Number 8224
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Author: D C Jefferson

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JPL ANALYSIS REPORT   GPS-WEEK 1110 (DAYS 105-111, DATES 2001 Apr 15 - Apr 21)
******************************************************************************

Submitted by the JPL IGS/FLINN Analysis Team:

D C Jefferson, Y E Bar-Sever, M B Heflin, F H Webb, J F Zumberge

all at the Jet Propulsion Laboratory, California Institute of Technology, 
Pasadena, CA  91109.

Files listed below are available in Unix compressed format and can be
retrieved using anonymous ftp to sideshow.jpl.nasa.gov (137.78.60.30),
directory pub/jpligsac/1110.  These files (except for *.tro) have also
been sent to the CDDIS.

______________________________________________________________________________
filename             contents
______________________________________________________________________________
jpl11107.sum         This text file.
jpl11107.erp         Earth rotation parameters for GPS week 1110.
jpl11107.snx         Ground station coordinates for GPS week 1110, SINEX format.
jpl1110[0-6].sp3     GPS ephemerides for GPS week 1110, sp3 format.
jpl1110[0-6].tro     Ground station troposphere estimates for GPS week 1110.
jpl1110[0-6].clk     GPS and ground station clocks for GPS week 1110, RINEX.
______________________________________________________________________________

Median Orbit Repeatability (see table below): 8.0 cm

Due to potential problems, data from stations mentioned below were not
considered for use in the global solution for the day indicated.  (For
geographical reasons, they may not have been used in any case.)

WARNING: Data from PRN15 and PRN17 excluded the entire GPS week 1110.
WARNING: Data from PRN02 excluded day 105.
WARNING: Data from PRN02 excluded day 106.
WARNING: Data from PRN02, PRN14 excluded day 107.
WARNING: Data from PRN14 excluded day 108.
WARNING: Data from 
WARNING: Data from AMMN, DRAG, EISL, ESTI, GUAT, LBCH, PETP, VILL excluded day           105.
WARNING: Data from AMMN, DRAG, EISL, ESTI, LBCH, MAS1, PETP, RIOG, SANT, VILL,           ZWEN excluded day 106.
WARNING: Data from AMMN, DRAG, EISL, KOUR, REYK, SANT, SIO3, VILL excluded day           107.
WARNING: Data from ASC1, DRAG, GUAT, LBCH, SIO3, SSIA, VILL excluded day 108.
WARNING: Data from DRAG, LBCH, SIO3 excluded day 109.
WARNING: Data from BILL, DRAG, LBCH, SANT, SIO3, SUWN, VILL excluded day 110.
WARNING: Data from ANKR, ARTU, AUCK, BAHR, BILL, BJFS, CHAT, DGAR, DRAG, GLSV,           GUAM, HARB, HRAO, IRKT, ISTA, KERG, LBCH excluded day 111.

JPL REFERENCE CLOCK TABLE                   GPS week 1110 (2001 Apr 15 - Apr 21)
 2001-04-15 NRC1
 2001-04-16 NRC1
 2001-04-17 NRC1
 2001-04-18 NRC1
 2001-04-19 DRAO
 2001-04-20 NRC1
 2001-04-21 NRC1
END REFERENCE CLOCK TABLE

In the following table, UT1R-UTC are the integrated values based on estimated
LODR values in the adjacent column.  See IGS Report No. 1498 (jpl07827.sum)
for details:

JPL ERP TABLE                               GPS week 1110 (2001 Apr 15 - Apr 21)
version 2           
     MJD   XPole   Ypole  UT1R-UTC   LODR Xsg Ysg UTsg LOsg Nr Nf Nt   Xrt   Yrt
         10**-6" 10**-6"      .1us .1us/d 10**-6" .1us .1us/d          10**-6"/d
52014.50  125163  480873    -58018   7456  34  41  189  189 42  0 26  2936  -879
52015.50  128054  480023    -65687   7882  37  47  195  195 42  0 26  2948  -740
52016.50  131275  479168    -74046   8837  36  44  196  196 42  0 25  3500  -726
52017.50  134711  478567    -83086   9242  37  41  196  196 42  0 26  3432  -704
52018.50  137838  478073    -91989   8564  38  39  171  171 42  0 27  2635  -564
52019.50  140897  477456   -100421   8300  38  42  141  141 42  0 27  2564  -904
52020.50  143653  476729   -108517   7892  40  45  149  149 42  0 27  2477 -1123
END ERP TABLE

The following table indicates the "3-dimensional orbit repeatability", as 
defined in IGS Mail Message 37, for GPS week 1110:
["3d rss" = sqrt(xrms**2 + yrms**2 + zrms**2)]

JPL ORBIT REPEATABILITY TABLE               GPS week 1110 (2001 Apr 15 - Apr 21)
      01  4 15   01  4 16   01  4 17   01  4 18   01  4 19   01  4 20   01  4 21
prn   3d rss (cm)
  1       4          4          6          4          8          9          7   
  2                                        6         12         22         20   
  3       6          6          5          6          4         11          6   
  4       6          5         14         11         10         10          5   
  5      14          7         10         15         12         13          9   
  6       5          8         12          9          8         10          7   
  7      12         10         17         17         11         12         13   
  8       5         12          6          4          7          6          8   
  9      21          8          7          9          5          9         11   
 10       8          5          5          5          8         11          5   
 11       4          6          8         12          5         27         13   
 13       4          4          5          6          7          7          5   
 14       7         14                                6         14         13   
 18       8          7          7          7         11         11          8   
 19       4          4          3          3          5          7          6   
 20       7          7          6          7         10         14          9   
 21      19         24          6         10         16         12          6   
 22       8         14         20         16          9          8         10   
 23      15         15         10          6         12          9          6   
 24       7          9          5          8          9         12          9   
 25      11          6          4         10         11         16          8   
 26       6          6          7          5          6          5         10   
 27       5         12          3          3          6          6          7   
 28       6          7          4          4          7          7          7   
 29      12         11         12          7          8         13         12   
 30      10         12          9         13         10         12         21   
 31       6          4          4          6          6          9          8   
_______________________
END ORBIT REPEATABILITY TABLE

The following table statistically summarizes this week's "engineering data", as
described in IGS Report No. 1528:

JPL ENGINEERING DATA SUMMARY TABLE          GPS week 1110 (2001 Apr 15 - Apr 21)
 receiver/transmitter (dot means point positioned, * means fiducial site)
 |     days analyzed
 |     |      rms clock noise (ns)
 |     |      |           average clock solution (us)
 |     |      |           |           rms pseudorange (cm)
 |     |      |           |           |   (dot means pcode not analyzed)
 |     |      |           |           |           rms phase (mm)
 |     |      |           |           |           |           average arc (hr)
 |     |      |           |           |           |           |
 |___  |__    |_______    |_______    |___        |___        |__
ALBH   1.0    .104       -6.26        70.0        4.00        3.64    
ALGO*  7.0    .112        .284        40.1        3.88        3.27    
AMC2   1.0    .526e-01   -.918        40.0        6.00        3.07    
AOML   1.0    255.       -.829e-01    64.0        6.00        2.89    
AREQ*  4.0    .398e+05    142.        25.0        4.79        2.41    
ARTU   6.0    81.3       -.813e-01    36.2        4.69        2.66    
AUCK*  4.0    20.9       -.549e-02    54.5        4.00        2.95    
BAHR*  5.0    .583        763.        31.7        4.23        3.41    
CAS1*   .8    14.0       -.470e-02    27.0        4.00        1.12    
CHAT*  2.0    29.6       -.549e-02    85.0        5.00        2.77    
CIC1   5.8    80.4       -.113e-01    52.1        4.00        2.81    
COCO   4.8    12.9       -.386e-02    28.4        6.22        3.61    
CORD   1.9    18.2       -.340e-02    57.5        3.51        1.19    
CRO1   5.0    .385        66.0        40.8        5.30        3.84    
DAV1*  4.4    20.1       -.851e-02    30.2        4.00        1.17    
DGAR   3.9    36.0       -.764e-02    35.3        6.31        2.16    
DRAO*  1.1    .           .           45.0        4.00        2.71    
EISL   3.0    38.1       -.756e-02    75.1        5.36        2.85    
ESTI   1.0    .289e+06    513.        99.0        6.00        1.39    
FAIR*  7.0    .912        .175        26.9        4.00        .940    
FORT*  6.1    2.16       -.587        96.0        6.34        1.57    
GALA   5.0    46.3       -.120        29.1        5.62        3.36    
GUAM*  6.0    31.3       -.150        54.2        7.52        4.13    
INEG   2.0    .289e+06   -1.37        56.0        5.00        .865    
IRKT*  6.0    1.26       -.162        64.1        4.36        2.63    
JAB1   5.4    .288e+06    487.        44.1        5.87        2.36    
JAMA   1.0    28.3       -.807e-01    42.0        5.00        3.48    
JPLM   1.0    53.6        75.1        53.0        4.00        2.40    
KARR    .9    157.       -.797e-02    32.0        6.00        3.17    
KELY   1.8    29.6        .395e-02    50.3        5.55        1.23    
KERG*  6.0    .289e+06    498.        46.4        5.68        2.39    
KIT3*   .9    19.0        .158e-02    38.0        5.00        3.63    
KOKB*  6.9    1.73        .624e-01    48.0        5.37        1.08    
KOUR*  2.9    .231e+06    280.        44.3        7.01        3.67    
KSTU    .9    12.1       -.344e-02    54.0        4.00        2.38    
KUNM   2.6    67.3       -.400e-01    86.4        5.37        2.68    
KWJ1*  4.4    .177e+07    53.6        35.1        5.46        1.06    
LHAS*  1.9    11.9        .103e-03    33.0        5.00        3.65    
LPGS   2.9    186.       -.726e-02    42.0        5.35        2.98    
MAC1*  4.6    14.6       -.392e-02    43.7        4.00        2.10    
MAG0   4.0    12.5       -.877e-01    38.0        5.00        2.66    
MAS1*  2.8    2.27        59.3        43.4        4.36        3.22    
MCM4*  5.6    .272e+04    43.7        55.9        4.68        1.08    
NKLG   7.0    .282e+06    506.        74.3        7.45        1.65    
NLIB*  1.0    613.        1.19        69.0        5.00        1.84    
NOUM   1.8    .289e+06    499.        80.4        5.06        1.81    
NRC1   6.1    .           .           49.8        3.20        3.33    
NRIL   4.0    15.7       -.879e-01    38.5        4.00        1.93    
NYA1   3.0    .152        .367        31.3        4.00        1.50    
NYAL*  4.0    .122        .194        50.0        4.00        1.67    
OHIG*  7.0    19.3       -.235e-02    63.3        4.79        2.34    
ONSA*  7.0    .242        324.        45.3        4.00        2.58    
PETP   2.0    15.5       -.100e+00    38.4        5.00        2.57    
PIMO   2.9    26.0       -.410e-02      .         5.00        .979    
RABT   4.0    16.4       -.291e-02    61.8        4.81        2.86    
RAMO   1.9    29.4       -.107        71.0        6.00        2.65    
REYK   2.0    10.9       -.559e-02    61.2        6.52        2.08    
RIOP    .9    146.       -.391e-01    62.0        4.00        1.43    
SANT*  2.9    25.5       -.835e-01    99.0        5.00        1.44    
SELE   4.0    .593e+07    .149e+05    67.0        3.27        2.78    
SEY1   5.0    64.9       -.331e-01    88.7        7.81        1.56    
SSIA   1.0    .290e+06    494.        95.0        6.00        1.44    
STJO   1.0    2.61       -.594        30.0        4.00        3.54    
SUTH   7.0    18.6       -.686e-02    59.5        4.74        2.37    
SYOG   2.7    1.38        286.        47.0        6.00        1.73    
THTI   7.0    3.83        805.        78.8        6.61        2.35    
TIDB*  7.0    .106e+06    525.        25.1        5.00        3.28    
TIXI   2.0    13.0       -.910e-01    40.5        4.00        1.93    
TOW2    .9    18.5       -.616e-02    17.0        5.00        3.66    
TRAB   3.0    17.9        .344e-01    48.0        5.00        2.86    
TSKB*  6.9    1.10       -1.02        68.2        4.00        2.91    
USUD   1.0    .181        413.        32.0        5.00        3.71    
WHIT   1.0    7.50        2.81        25.0        4.00        2.23    
WTZR*  7.0    .896        .542        58.0        5.03        3.01    
WUHN   3.0    36.2       -.127        87.0        6.36        3.43    
XIAN   1.0    52.4       -.796e-02    53.0        4.00        2.25    
YAKT   1.0    .619        448.        27.0        5.00        2.32    
YAR1*  6.4    326.       -.405        96.3        3.35        2.16    
YAR2   2.0    24.1       -1.32        29.0        4.00        3.76    
YELL*  6.9    .335        .216e-01    43.6        4.00        1.57    
PRN01  7.0    3.53        174.        49.4        5.00        2.07    
PRN02  3.4    3.16       -1.94        56.2        5.28        1.90    
PRN03  7.0    2.00        21.3        49.7        5.00        2.03    
PRN04  7.0    1.01        703.        52.3        5.00        2.17    
PRN05  6.7    3.14        295.        54.0        5.00        2.05    
PRN06  7.0    7.50       -.513        52.7        5.00        2.12    
PRN07  7.0    1.77        583.        56.7        5.16        2.16    
PRN08  7.0    2.93        128.        50.9        4.87        2.20    
PRN09  7.0    1.77       -40.9        52.1        4.87        2.20    
PRN10  7.0    2.38        2.64        54.4        5.00        2.26    
PRN11  7.0    .558        1.81        51.9        5.00        2.06    
PRN13  7.0    .452       -1.20        53.1        5.00        2.16    
PRN14  5.0    .271       -102.        56.0        5.00        2.19    
PRN18  7.0    .556       -32.1        53.8        5.00        2.19    
PRN19  7.0    4.54        500.        51.2        4.29        2.10    
PRN20  7.0    .265       -65.6        54.8        5.00        2.10    
PRN21  7.0    2.80        2.38        52.0        5.00        2.04    
PRN22  6.8    5.27        580.        51.8        5.34        2.04    
PRN23  7.0    5.49        11.3        55.3        5.15        2.17    
PRN24  7.0    2.48        44.0        55.2        5.00        2.30    
PRN25  7.0    2.70        12.9        53.9        5.00        2.14    
PRN26  7.0    .824        436.        50.1        4.88        2.20    
PRN27  7.0    4.13        17.7        51.1        4.73        2.32    
PRN28  7.0    1.27        10.8        54.3        5.00        2.19    
PRN29  7.0    .716        519.        55.8        5.00        2.11    
PRN30  6.8    2.00       -16.1        53.9        5.15        1.96    
PRN31  7.0    3.68        39.9        51.7        5.00        2.21    
_______________________
END ENGINEERING DATA SUMMARY TABLE

As described in IGS Mail Message 37, the following table compares the JPL
precise ephemerides with those from the broadcast ephemeris:

JPL COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES
      01  4 15   01  4 16   01  4 17   01  4 18   01  4 19   01  4 20   01  4 21
prn   3d rss (cm)
  1     306        294        418        678        488        328        385   
  2                                      565        497        466        813   
  3     272        280        258        322        366        191        278   
  4     392        463        438        383        337        335        265   
  5     472        642        658        501        472        465        429   
  6     819        608        691        626        629        726        557   
  7     673        646        561        698        397        324        486   
  8     597        750        611        488        490        472        552   
  9     449        331        569        354        612        478        272   
 10     268        369        576        439        304        670        409   
 11     464        473        712        570        655        447        355   
 13     314        328        313        345        373        312        320   
 14     375        345                              614        356        261   
 18     356        252        302        203        490        213        185   
 19     197        294        544        350        465        193        211   
 20     187        307        528        230        197        695        268   
 21     242       1368       1018        332       1880       1513        379   
 22     462        398        541        540        223        480        575   
 23     496        845       1356       1348        491        316        590   
 24     703        331        318        441        434        226        223   
 25     321        347        357        290        264        245        224   
 26     371        386        214        190        268        274        387   
 27     368        395        395        496        335        148        248   
 28     560        284        304        278        249        195        456   
 29     291        238        354        271        300        364        425   
 30     366        387        356        296        289        288        568   
 31     432        455        386        475        352        332        256   
_______________________
END COMPARISON OF BROADCAST NAVIGATION MESSAGE WITH PRECISE EPHEMERIDES

global:   albh algo amc2 aoml areq artu auck bahr cas1 chat cic1 coco cord cro1 dav1 dgar drao eisl esti fair fort gala guam ineg irkt jab1 jama jplm karr kely kerg kit3 kokb kour kstu kunm kwj1 lhas lpgs mac1 mag0 mas1 mcm4 nklg nlib noum nrc1 nril nya1 nyal ohig onsa petp pimo rabt ramo reyk riop sant sele sey1 ssia stjo suth syog thti tidb tixi tow2 trab tskb usud whit wtzr wuhn xian yakt yar1 yar2 yell



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