[IGSREPORT-4458] Wk 0937 GFZ Analysis Report

G. G.
Fri Jan 2 04:39:10 PST 1998


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IGS Electronic Report    Fri Jan  2  4:39:10 PST 1998      Message Number 4458
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Author: G. Gendt
Subject: Wk 0937 GFZ Analysis Report

Subject: Wk 0937 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0937 (DAYS 355-361, DATES 21-12-97 TO 27-12-97)
******************************************************************************

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: 
______________________________________________________________________________
gfz09377.sum           this text file
gfz09377.erp           Earth rotation parameters 
gfz09377.snx           Weekly SINEX File 
gfz0937[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0937       DAYS  354 - 361
_______________________________________________________________________________
  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"
50802.500  13417  18991 -30764593  1659    2    2    3    3    53 16 27 -301  -94       4       4
50803.500  13119  18871 -30766240  1635    2    2    3    3    56 16 26 -300 -160       4       4
50804.500  12856  18721 -30767917  1721    2    2    3    3    56 16 26 -234 -138       4       4
50805.500  12573  18578 -30769628  1701    2    2    3    3    56 16 26 -333 -166       4       4
50806.500  12248  18369 -30771298  1639    2    2    3    3    56 16 27 -318 -246       4       4
50807.500  11968  18193 -30772940  1644    2    2    3    3    56 16 27 -272 -132       4       4
50808.500  11707  18044 -30774555  1585    2    2    3    3    56 16 27 -233 -184       4       4
50809.500  11448  17913 -30776093  1489    2    2    3    3    53 16 27 -278 -128       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  355    356    357    358    359    360    361    
-------------------------------------------------------
01     7      9      9      7     15      9     16  
02    16     18     32     22     21     17     24  
03    24     17     18     19     22     23     24  
04    19     14     18     17     19     17     17  
05    24     21     24     22     25     23     22  
06    18     18     15     15     18     14     19  
07    23     17     23     21     20     18     32  
08     7      6      8      5     11      9      6  
09     4      5      8      5      5      7      5  
10    29 E   29 E   20 E   19 E   25 E   32 E   29 E
13     -      -      -      -      -     11     12  
14    25 E    - E    - E   15 E    - E    - E    - E
15    11      9     12     12     12     14     13  
16     - E   21 E   29 E   19 E    - E    - E   16 E
17    18     22     22     17     25     16     21  
18    13     12     14      -      -     15     18  
19    18      8      6      6     10      8     47  
21    23 E   22 E   16 E   38 E   21 E   32 E   40 E
22    28     22     21     17     24     30     23  
23    15 E   10 E   13 E   10 E   13 E   13 E   26 E
24    16     16     15     12      -      -      -  
25     9     15     12      9     14     11     13  
26     5      8      6      6      6      5      5  
27     6      6     10      4      7      8      4  
29    12      6      7      8     10      5      6  
30    19     16     18     17     21     19     22  
31    12     15     16     21     18     15     14  

MEAN  17     16     17     16     17     17     21
---------------------------------------------------
REMARKS: PNR13 deleted from sp3-file for day 355-358
         modelling problems
         PNR14 deleted from sp3-file for day 356,359,361
         modelling problems 
         PNR16 deleted from sp3-file for day 359
         modelling problems 
         PNR18 deleted from sp3-file for day 358
         modelling problems 
         PNR24 deleted from sp3-file for day 359
         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#               355  356  357  358  359  360  361
----------------------------------------------------
onsa  105001             1224 1182 1213 1041  757    0    0
kosg  110001 F           1237 1255    0 1218    0 1076 1234
wsrt  111001             1134 1083 1104  836  958  998 1020
vill  125001             1257 1199 1166 1214 1180 1192  990
mate  130002             1285 1165 1302 1193 1194 1294 1290
wtzr  160101 F           1196 1138 1192 1126 1123 1225 1199
ober  161001                0 1173 1202 1154 1171 1226 1233
pots  165001             1233 1190 1217    0    0  813 1241
mets  180001             1245    0    0    0    0    0    0
zwen  190001             1220 1177 1210 1197 1170 1251 1268
usud  200002             1237 1202 1241 1231 1165 1237 1258
tskb  205001             1287 1242    0 1256 1212 1285 1300
kit3  235101             1298 1251 1272 1251    0 1299 1287
iisc  270002             1188 1141    0 1139 1156 1158 1233
irkt  280001             1188 1082 1168 1121 1061 1178 1144
ntus  290001             1131  271 1116 1018 1008 1046 1080
tid2  305201 F           1331 1278 1332 1285 1190 1303 1322
yar2  310201                0 1196 1285 1192 1190 1259    0
hob2  321001              925 1151 1174 1153 1129 1216 1225
mac1  330003             1196 1201 1230 1131 1118 1212    0
chat  340001             1227 1227 1259 1207 1169 1262 1286
coco  350001             1154 1146 1209 1096 1034 1181 1176
dgar  360001             1017  983 1001  964  931 1023 1150
algo  400003 F           1212 1194 1233 1185 1143 1199 1235
stjo  405003             1250 1213 1283 1210 1189 1247 1257
wes2  408001             1251 1190 1238 1171 1132 1148 1234
nlib  409001             1257 1201 1249 1187 1145 1226 1228
gol2  410101             1302  984  961 1155 1074 1299 1292
jplm  415002             1272 1229 1275 1228 1176 1274 1267
mdo1  418001             1185 1188 1269 1210 1167 1246 1272
fair  420002 F           1256 1165 1260 1187 1148 1228 1218
yell  470004 F           1316 1232 1321 1274 1255 1364 1362
drao  475003             1320 1244 1313    0 1168 1260 1262
rcm6  483001             1222    0    0  597 1086 1215 1163
brmu  485001             1160 1137 1213 1149 1118 1142 1132
thu1  490001             1585 1508 1568 1496 1451 1552 1532
reyk  491001             1153 1148 1202 1095 1060 1108 1139
fort  520001                0    0 1098 1058 1053 1092 1135
areq  530002             1231 1166 1208 1142 1137 1273 1178
braz  550001             1116 1082 1117 1062 1073    0    0
lpgs  564301             1263 1221 1261 1235 1216    0 1260
asc1  570002              770    0  853  824  856  952  915
hark  600101             1216 1207 1244 1206 1149 1190    0
mas1  610101             1265 1202 1270 1202 1149 1283 1260
bahr  650001             1305    0 1322 1226 1222 1325 1323
kokb  700002 F           1260 1193 1178 1182 1138 1290 1235
tahi  712001             1151 1130 1148 1114 1126    0    0
eisl  720001             1337 1236 1329 1290 1160 1335 1250
gala  725001             1063 1079 1098 1075  932 1124 1046
kwj1  740001             1138  983 1035  969 1052 1065 1170
mcm4  800201             1234 1119 1227 1168 1133 1228 1228
dav1  810001                0  973 1185    0 1058 1199 1119
cas1  820001              839    0 1143 1003 1071 1123 1138
ohig  830001                0    0    0  942    0    0 1156
kerg  850001             1164 1194 1278 1191 1112 1232 1253

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



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     355  356  357  358  359  360  361
------------------------------------------
  1    2422 2420 2356 2467 2484 2418 2412
  2    2464 2288 2423 2437 2482 2473 2389
  3    2470 2319 2466 2351 2477 2329 2276
  4    2321 2268 2235 2396 2354 2314 2332
  5    2370 2280 2355 2401 2282 2315 2342
  6    2314 2295 2326 2295 2338 2273 2316
  7    2632 2402 2494 2569 2544 2525 2551
  8    2189 2258 2190 2309 2358 2331 2282
  9    2566 2394 2459 2586 2606 2494 2404
 10    2294 2182 2296 2255 2247 2252 2159
 13       0    0    0    0 2170 2165 2115
 14    2240    0 2442 2404    0 2334    0
 15    2507 2439 2532 2558 2508 2392 2427
 16    2221 2210 2275 2169    0 2180 2151
 17    2283 2184 2276 2378 2413 2308 2407
 18    2477 2381 2415    0 2444 2497 2410
 19    2430 2379 2442 2418 2359 2352 2390
 21    2294 2206 2268 2346 2359 2187 2177
 22    2495 2241 2361 2455 2420 2219 2299
 23    2412 2257 2223 2309 2299 2363 2181
 24    2507 2305 2329 2366    0    0 2378
 25    2425 2300 2394 2530 2508 2469 2385
 26    2549 2368 2490 2510 2588 2492 2407
 27    2449 2389 2468 2477 2500 2473 2294
 29    2575 2380 2492 2599 2524 2398 2467
 30    2547 2505 2438 2551 2556 2522 2440
 31    2445 2222 2406 2414 2404 2409 2395
-----------------------------------------




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

YEAR: 97 DAYS: 355 to 361
      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      .3   4000  FIXED UUUUUUU 
 AREQ      6.5     9.0    13.4   5300        NNNNNNN 
 ASC1      9.6     4.3    21.4   5700        N.NNNNN 
 BAHR     15.1     7.8    12.1   6500        N.NNNNN 
 BISH      9.2     8.3     9.3   2399        NNNNNNN 
 BRAZ      7.7     7.2    11.0   5500        NNNNN.. 
 BRMU     13.7     1.5     8.4   4850        NNNNNNN 
 CAS1     10.8    13.0    10.4   8200        N.NNNNN 
 CHAT     11.1     4.6     6.1   3400        NNNNNNN 
 COCO     16.1    10.9     7.5   3500        NNNNNNN 
 DAV1     10.4    15.3     4.9   8100        .NN.NNN 
 DGAR     29.4    12.8     8.6   3600        NNNNNNN 
 DRAO      7.6     1.4     4.3   4750        NNN.NNN 
 EISL      9.9    11.4    13.2   7200        NNNNNNN 
 FAIR       .2      .2      .1   4200  FIXED UUUUUUU 
 FORT     15.6     7.6    19.4   5200        ..NNNNN 
 GALA     21.9     7.0     9.6   7250        NNNNNNN 
 GOL2      9.8     2.1     2.9   4101        NNNNNNN 
 HARK      9.0    13.4    14.5   6001        NNNNNN. 
 HOB2     14.5     2.1     6.1   3210        NNNNNNN 
 IISC     14.4    12.2    15.8   2700        NN.NNNN 
 IRKT      5.1     7.7     8.2   2800        NNNNNNN 
 JPLM     13.1     4.9     6.1   4150        NNNNNNN 
 KERG     15.1    14.1     6.6   8500        NNNNNNN 
 KIT3      6.3     9.4    11.5   2351        NNNN.NN 
 KOKB       .3      .3      .4   7000  FIXED UUUUUUU 
 KOSG       .1      .2      .2   1100  FIXED UU.U.UU 
 KWJ1     27.9     4.4    12.7   7400        NNNNNNN 
 LPGS     12.0    10.8    14.7   5643        NNNNN.N 
 MAC1     12.2     3.1     7.8   3300        NNNNNN. 
 MAS1      7.3     3.4     5.6   6101        NNNNNNN 
 MATE      6.1     1.7     3.5   1300        NNNNNNN 
 MCM4     13.8     4.8    14.6   8002        NNNNNNN 
 MDO1      8.8     3.3     6.6   4180        NNNNNNN 
 METS       .0      .0      .0   1800        N...... 
 NLIB      9.2     1.9     2.7   4090        NNNNNNN 
 NTUS     12.6    10.5    13.7   2900        NNNNNNN 
 OBER      5.2     1.3     2.9   1610        .NNNNNN 
 OHIG     16.4    15.5    19.7   8300        ...N..N 
 ONSA      7.8     1.6     1.5   1050        NNNNN.. 
 POTS      3.9     1.1     1.1   1650        NNN..NN 
 RCM6      6.6     2.5     7.4   4830        N..NNNN 
 REYK      6.0     4.1     3.5   4910        NNNNNNN 
 RIOG      8.9    11.6    12.1   5610        NNNNNNN 
 STJO      7.2     2.0     7.4   4050        NNNNNNN 
 TAHI     10.7     8.4     6.6   7120        NNNNN.. 
 THU1      7.8     2.0     2.6   4900        NNNNNNN 
 TID2       .5     1.0      .3   3052  FIXED UUUUUUU 
 TSKB     10.8     6.8     9.9   2050        NN.NNNN 
 USUD     10.2     6.9    11.3   2000        NNNNNNN 
 VILL      7.5     2.1     6.2   1250        NNNNNNN 
 WES2     12.6     5.9     8.9   4080        NNNNNNN 
 WSRT      3.1     1.2     3.7   1110        NNNNNNN 
 WTZR       .1      .1      .2   1601  FIXED UUUUUUU 
 YAR2       .1      .2      .3   3102  FIXED .UUUUU. 
 YELL       .1      .1      .1   4700  FIXED UUUUUUU 
 ZWEN      9.7     5.3     3.6   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
   - 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 AREQ ASC1 BAHR BISH BRAZ BRMU CAS1 CHAT COCO DAV1 DGAR DRAO EISL FAIR FORT GALA GOL2 HARK HOB2 IISC IRKT JPLM KERG KIT3 KOKB KOSG KWJ1 LPGS MAC1 MAS1 MATE MCM4 MDO1 METS NLIB NTUS OBER OHIG ONSA POTS RCM6 REYK RIOG STJO TAHI THU1 TID2 TSKB USUD VILL WES2 WSRT WTZR YAR2 YELL ZWEN 


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



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