[IGSREPORT-3725] Wk 0903 GFZ Analysis Report

G.Gendt G.Gendt
Fri May 9 05:51:40 PDT 1997


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IGS Electronic Report    Fri May  9  5:51:40 PDT 1997      Message Number 3725
******************************************************************************

Author: G.Gendt, G. Dick, W. Soehne, Th. Nischan, W. Sommerfeld, G. Beeskow
Subject: Wk 0903 GFZ Analysis Report

Subject: Wk 0903 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0903 (DAYS 117-123, DATES 27-04-97 TO 03-05-97)
******************************************************************************

Submitted by: G. Gendt, Ch. Reigber, G. Dick, W. Soehne, 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: 
______________________________________________________________________________
gfz09037.sum           this text file
gfz09037.erp           Earth rotation parameters 
gfz09037.snx           Weekly SINEX File 
gfz0903[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0903       DAYS  117 - 123
____________________________________________________________________________________________________
  MJD      Xpole  Ypole  UT1R-TAI  LODR Xsig Ysig UTsig LODsig Nr Nf Nt X-RT Y-RT X-RTsig Y-RTsig
            E-5"   E-5"    usec    us/d  E-5" E-5"   us  us/d           E-5" E-5"    E-5"     E-5"
50565.500 -16591  42230 -30355917  2119    2    2    3    3    56 16 25  177  313       4       4
50566.500 -16470  42527 -30358015  2078    2    2    3    3    55 16 25   66  309       4       4
50567.500 -16380  42795 -30360060  2012    2    2    3    3    52 16 25   83  245       4       4
50568.500 -16274  43039 -30362046  1961    2    2    3    3    51 16 25  107  242       4       4
50569.500 -16160  43275 -30364012  1971    2    2    3    3    51 16 25  115  236       4       5
50570.500 -15992  43525 -30365959  1924    2    2    4    4    53 16 25  196  270       4       4
50571.500 -15765  43812 -30367933  2024    2    2    3    3    54 16 25  244  294       4       4
____________________________________________________________________________________________________




ORBITS REPEATABILITY (cm):
(mean component error rms =sqrt((xrms**2 + yrms**2 + zrms**2)/3) )


            DAY 1  (24 h)    pred.     DAY 2  (24 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  117    118    119    120    121    122    123    
-------------------------------------------------------
01    14     10     12     12     13     15     15  
02     8     11     12     11     13     15     11  
03    18     11     11     11     11     10      6  
04    23 E   30 E   17 E   14 E   21 E   20 E   27 E
05    14     12     15     15     19     20     18  
06    12     15     13     10     16     14     15  
07     8      8     10      9      6      8     11  
09    26 E   30 E   26 E   32 E   27 E   32 E   27 E
10     9      9     12     15     10     15     16  
14     -      -     19     27      8    115     22  
15    29 E   30 E   29 E   26 E   29 E   32 E   26 E
16    13     11     15     15     18     12     17  
17    22 E   28 E   26 E   28 E   28 E   27 E   35 E
18    86     13     13     18     17     11     11  
19    35 E   35 E   31 E   23 E   41 E   30     28  
21    12     12     14     14     12      8     11  
22    11     11     13     17      9     12     11  
23     8      6     13      5      3      7      5  
24    25 E   17 E   18 E   23 E   18 E   24 E   26 E
25    46 E   44 E   43 E   43 E   39 E   32 E   26  
26     8      7      9     13      5      9     10  
27    21 E   20 E   15 E   17 E   15 E   23 E   21 E
29    25     21     22     20     21     17     14  
30    16     22     19     14     13     16     17  
31    13     10      9     12     14      9     13  

MEAN  26     20     19     20     19     30     19
---------------------------------------------------
REMARKS:(1) PRN14 deleted from sp3-file for day 117
            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
 CODE  STA#               117  118  119  120  121  122  123
----------------------------------------------------
onsa  105001             1203 1215 1214 1213 1210 1220 1180
kosg  110001 F           1206 1238 1270 1253  892 1229 1254
madr  120002 F           1101 1166 1078 1075  746 1065 1098
mate  130002             1236 1296 1296 1265 1251 1269 1275
nyal  140001                0  912 1290 1319 1236    0 1263
wtzr  160101 F           1164 1226 1253 1232 1182 1236 1235
ober  161001             1156 1223 1214 1209 1214 1217 1203
pots  165001             1179 1222 1230 1210 1212 1211 1210
mets  180001             1162    0    0    0    0    0 1205
zwen  190001             1019    0    0    0    0    0    0
usud  200002             1175 1246 1246 1234 1259 1251 1235
tskb  205001             1203 1257 1246 1263 1254 1251 1253
taiw  220001             1199 1231 1236 1207 1227 1217 1173
kit3  235101              830  863  866  867  867    0  672
lhas  240001             1141 1173 1214 1229 1213 1174 1246
iisc  270002             1139 1201 1191 1190 1159    0 1213
irkt  280001                0 1207 1227    0 1216 1202 1240
tidb  305003 F           1180 1224 1178 1235  764  751 1228
mac1  330003             1133 1080 1169  953    0    0 1094
chat  340001             1154 1201 1205 1218 1196 1202 1217
coco  350001                0  618 1038  866    0    0 1049
dgar  360001              954 1032  924 1060 1039    0 1028
algo  400003 F           1166 1217 1223 1235 1012 1220  816
stjo  405003             1194 1199 1244 1248 1203 1078 1243
wes2  408001             1201 1237 1245 1250 1264 1107 1249
nlib  409001             1137 1226 1253 1256 1239 1237 1252
gol2  410101 F           1208 1268 1131 1069 1257 1231 1303
jplm  415002             1158 1230 1221 1218 1241 1244 1247
mdo1  418001             1200 1250 1255 1261 1252 1257 1266
fair  420002 F           1150 1179 1180 1177 1197 1200 1160
yell  470004 F           1258 1304 1276 1297 1106 1113 1153
drao  475003             1219 1272 1242 1271 1271 1270 1280
rcm6  483001             1199 1230 1198 1230 1216 1231 1239
brmu  485001             1192 1226 1230 1218 1200 1208 1245
thu1  490001             1484 1547 1550 1465 1550 1543 1534
sant  500002 F           1061  796  431 1068 1262 1077  861
kour  510001              946    0    0    0    0    0    0
fort  520001             1059 1098 1123 1155 1085 1115 1084
bogt  540001              472  312  440  664  825  685  716
braz  550001             1124 1211  978    0    0    0 1221
asc1  570002             1059 1066 1083 1117 1066 1097 1099
hart  600002 F           1147 1239 1208 1174 1227 1226 1215
mas1  610101             1106 1135 1155 1186 1188 1172 1154
mali  630001             1156 1202    0    0    0 1228    0
bahr  650001             1210 1281 1260 1279 1290 1231 1292
kokb  700002 F            571  654  703  675  557 1004  732
tahi  712001              393  914  931 1010    0  390    0
guam  730001             1080 1033 1095 1123 1106 1098 1152
kwj1  740001              951 1035 1092 1124 1049 1140 1029
mcm4  800201             1155 1172 1184 1181 1116 1125 1247
dav1  810001             1080 1072 1115  897    0 1124 1080
cas1  820001             1079 1134 1032  631    0    0 1035
ohig  830001             1050 1136 1043 1161 1066 1107 1127
kerg  850001             1126 1173    0 1248 1246 1218 1236

Note: F    - indicates a constrained fiducial site ( to 1-2 mm )



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     117  118  119  120  121  122  123
------------------------------------------
  1    2483 2373 2346 2412 2246 2091 2464
  2    2428 2404 2303 2309 2140 1970 2277
  3    2278 2339 2210 2131 1919 1867 2410
  4    2427 2256 2185 2192 2043 2001 2235
  5    2401 2370 2349 2276 2042 1938 2384
  6    2331 2239 2197 2104 1942 1878 2324
  7    2575 2549 2556 2413 2189 2135 2377
  9    2306 2320 2269 2264 2061 1978 2324
 10    2532 2416 2255 2269 2062 1957 2348
 14       0 2358 2251 2196 2036 1918 2231
 15    2199 2323 2278 2293 1923 1832 2250
 16    2296 2424 2234 2206 1930 1903 2261
 17    2399 2353 2283 2213 2113 1924 2443
 18    2292 2288 2194 2240 2036 1965 2265
 19    2162 2180 2086 2177 2003 1999 2300
 21    2387 2411 2375 2209 2207 1958 2477
 22    2404 2350 2316 2160 1985 2080 2474
 23    2622 2493 2430 2331 2229 2078 2599
 24    2496 2435 2378 2340 2036 1986 2396
 25    2393 2307 2215 2315 2036 2031 2411
 26    2446 2432 2407 2316 2084 1968 2430
 27    2290 2208 2123 2115 1935 1894 2197
 29    2365 2398 2273 2279 2138 2078 2492
 30    2450 2390 2194 2220 2115 1983 2381
 31    2366 2419 2253 2198 2038 2059 2352
-----------------------------------------




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

YEAR: 97 DAYS: 117 to 123
      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      .3      .2   4000  FIXED UUUUUUU 
 ASC1     17.2     5.0     7.7   5700        NNNNNNN 
 BAHR     17.6     5.5     3.9   6500        NNNNNNN 
 BISH      5.3     4.0     5.6   2399        NNNNN.N 
 BOGT     27.8     7.6    25.5   5400        NNNNNNN 
 BRAZ      8.7     2.6     7.3   5500        NNN...N 
 BRMU      8.9     2.0     5.8   4850        NNNNNNN 
 CAS1      5.3     6.6     5.3   8200        NNNN..N 
 CHAT     14.0     3.6     7.6   3400        NNNNNNN 
 COCO     22.0     4.0    12.6   3500        .NNN..N 
 DAV1      6.4     5.1     8.1   8100        NNNN.NN 
 DGAR     20.6     6.8     9.8   3600        NNNNN.N 
 DRAO      5.8      .7     2.6   4750        NNNNNNN 
 FAIR       .2      .2      .1   4200  FIXED UUUUUUU 
 FORT     24.6     4.8     9.9   5200        NNNNNNN 
 GOL2       .2      .3      .4   4101        NNNNNNN 
 GUAM     11.7     2.7    10.2   7300        NNNNNNN 
 HART       .2      .2      .5   6000  FIXED UUUUUUU 
 IISC     13.1     5.0     8.4   2700        NNNNN.N 
 IRKT      8.1     2.6     6.5   2800        .NN.NNN 
 JPLM     12.8     1.9     2.9   4150        NNNNNNN 
 KERG     16.5     6.8     6.6   8500        NN.NNNN 
 KIT3     17.3     4.4    11.4   2351        NNNNN.N 
 KOKB       .6      .7      .7   7000  FIXED UUUNUUU 
 KOSG       .1      .3      .3   1100  FIXED UUUUUUU 
 KOUR       .0      .0      .0   5100        N...... 
 KWJ1     16.5     6.8     9.0   7400        NNNNNNN 
 LHAS      9.7     3.8     4.8   2400        NNNNNNN 
 MAC1      4.6     3.6     3.7   3300        NNNN..N 
 MADR       .2      .2     1.7   1200  FIXED NUUUUUU 
 MALI     17.6     3.8     6.4   6300        NN...N. 
 MAS1      5.7     1.9     9.3   6101        NNNNNNN 
 MATE      5.0     1.2     4.2   1300        NNNNNNN 
 MCM4      9.7     4.6     4.1   8002        NNNNNNN 
 MDO1     12.3     2.3     4.9   4180        NNNNNNN 
 METS      3.1     1.7     7.0   1800        N.....N 
 NLIB     11.0      .9     5.4   4090        NNNNNNN 
 NYAL      4.9     2.0     3.6   1400        .NNNN.N 
 OBER      5.0     1.5     3.4   1610        NNNNNNN 
 OHIG     12.1     5.5     6.4   8300        NNNNNNN 
 ONSA      4.2     2.6     4.0   1050        NNNNNNN 
 POTS      5.6     1.2     4.4   1650        NNNNNNN 
 RCM6      9.0     3.4     8.4   4830        NNNNNNN 
 SANT       .3      .3      .2   5000  FIXED UUUUUUU 
 STJO      6.5     1.5     4.3   4050        NNNNNNN 
 TAHI     29.0    10.8    18.0   7120        NNNN.N. 
 TAIW      8.4     4.6    10.8   2200        NNNNNNN 
 THU1      6.6     1.7     1.8   4900        NNNNNNN 
 TIDB       .3      .2      .4   3050  FIXED UUUUUUU 
 TSKB      8.8     4.2     5.6   2050        NNNNNNN 
 USUD     10.1     4.1     6.0   2000        NNNNNNN 
 WES2      5.7     1.7     2.9   4080        NNNNNNN 
 WTZR       .1      .4      .3   1601        NNNNNNN 
 YELL       .1      .4      .2   4700  FIXED UUUUUUU 
 ZWEN       .0      .0      .0   1900        N...... 
--------------------------------------------------------------------------------


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
   - 24 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
    
--------------------------------------------------------------------------------
global: ALGO ASC1 BAHR BISH BOGT BRAZ BRMU CAS1 CHAT COCO DAV1 DGAR DRAO FAIR FORT GOL2 GUAM HART IISC IRKT JPLM KERG KIT3 KOKB KOSG KOUR KWJ1 LHAS MAC1 MADR MALI MAS1 MATE MCM4 MDO1 METS NLIB NYAL OBER OHIG ONSA POTS RCM6 SANT STJO TAHI TAIW THU1 TIDB TSKB USUD WES2 WTZR YELL ZWEN 


[Mailed From: "Thomas Mr. igs" <igs at gfz-potsdam.de>]



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