[IGSREPORT-3991] Wk 0915 GFZ Analysis Report

G. G.
Wed Jul 30 05:20:48 PDT 1997


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IGS Electronic Report    Wed Jul 30  5:20:48 PDT 1997      Message Number 3991
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Author: G. Gendt
Subject: Wk 0915 GFZ Analysis Report

Subject: Wk 0915 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0915 (DAYS 201-207, DATES 20-07-97 TO 26-07-97)
******************************************************************************

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: 
______________________________________________________________________________
gfz09157.sum           this text file
gfz09157.erp           Earth rotation parameters 
gfz09157.snx           Weekly SINEX File 
gfz0915[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0915       DAYS  200 - 207
_______________________________________________________________________________
  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"
50648.500   8616  52769 -30490493  1319    2    2    3    3    50 16 25  318 -128       4       4
50649.500   8996  52666 -30491852  1398    2    2    3    3    53 16 25  435 -100       4       4
50650.500   9392  52550 -30493269  1436    2    2    3    3    52 16 25  367 -128       4       4
50651.500   9770  52451 -30494713  1453    2    2    3    3    53 16 25  369  -96       4       4
50652.500  10096  52345 -30496172  1463    2    2    3    3    53 16 25  295 -134       4       4
50653.500  10414  52241 -30497680  1554    2    2    3    3    53 16 25  318  -61       4       4
50654.500  10703  52182 -30499253  1591    2    2    3    3    52 16 25  280  -47       4       4
50655.500  10955  52087 -30500849  1601    2    2    3    3    51 16 24  213 -117       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  201    202    203    204    205    206    207    
-------------------------------------------------------
01    16     16     14     16     24     18     19  
02    15     19     14     14     18     16     19  
03    37 E   28 E   23 E   23 E   22 E   18 E   24 E
04    17     16     11      8     11     13     13  
05    18     17     19     17     18     16     17  
06    26 E   34 E   33 E   23 E   26 E   12 E   29 E
07    15 E   26 E   15 E   23 E   23 E   25 E   16 E
09     7      8      8      4      6      9     18  
10    18 E   16 E   17 E   21 E   25 E   24 E   33 E
14     - E    - E   24 E    - E    - E   33 E    - E
15     9     10      9      7      9      7      8  
16     - E   13 E   17 E    - E    - E    - E    - E
17    21     23     19     22     18     18     19  
18    13     15      -      -     14     14     17  
19     8      5      9      9     11     63     10  
21    25 E   33 E   26 E   22 E   21 E   18 E   32 E
22    18     22     20     16     12     13     15  
23    11 E   10 E   17 E   11 E   11 E   26 E   13 E
24     9     12     12      9     10     11      8  
25     7      5      7      9      9      6     11  
26    17     14     14     14     19     11     18  
27     8     13     12      8     13      6      8  
29     7     10     14     16     15     14     12  
30    10     10      6     11      8      7      7  
31    23 E   22 E   21 E   16 E   16 E   24 E   14 E

MEAN  17     18     17     16     17     21     18
---------------------------------------------------
REMARKS: PNR14 deleted from sp3-file for day 201,204,207
         modelling problems
         PNR16 deleted from sp3-file for day 204,206,207
         modelling problems
         PNR18 deleted from sp3-file for day 203
         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#               201  202  203  204  205  206  207
----------------------------------------------------
onsa  105001             1191 1230 1158 1126    0 1186 1130
kosg  110001 F           1180 1248 1221 1183 1271 1190 1156
wsrt  111001             1214    0 1217 1169    0    0    0
mad2  120101             1228 1241  998 1105 1230 1229 1106
mate  130002             1236 1288 1182 1176 1285 1129 1166
nyal  140001             1218 1253 1196 1168 1235 1213 1175
wtzr  160101 F           1174 1178 1152 1120 1006 1168 1123
ober  161001             1150 1257 1188 1133 1257 1186 1139
pots  165001             1163 1217 1176 1068 1199 1157 1129
mets  180001             1145 1212 1157 1104 1239 1162  752
zwen  190001             1036 1027  982  993 1043  977 1009
usud  200002             1173 1215 1170 1099 1183 1149 1046
tskb  205001             1210 1246 1215 1137 1242 1214 1131
taiw  220001                0 1171 1127    0    0    0    0
kit3  235101                0    0    0  785    0  846  798
iisc  270002             1165 1239 1163 1143 1211 1147 1127
irkt  280001             1134 1199 1153    0    0 1117 1078
tidb  305003 F           1175 1224 1121 1148 1159 1167 1148
yar1  310001 F           1137 1030 1068 1117 1199 1168 1106
hob2  321001              673 1090 1133 1109 1139 1138 1093
mac1  330003             1105  700 1142 1079 1225 1157 1063
chat  340001             1172 1193 1164 1092 1184 1153 1111
dgar  360001              995 1129 1018 1013 1111 1034 1022
algo  400003 F           1170 1264 1206 1104 1203 1145 1087
stjo  405003             1204 1262 1193 1158 1260 1202 1147
wes2  408001             1203 1234 1203 1156 1254 1200 1147
nlib  409001             1211 1256 1196 1170 1232 1163 1130
gol2  410101 F           1234 1183 1205 1140 1223 1181 1148
jplm  415002             1200 1243 1180 1147 1218 1170 1156
mdo1  418001             1150 1221 1159  964 1229 1151 1101
fair  420002 F           1166 1224 1161 1101 1240 1164 1133
yell  470004 F           1149 1273 1225 1106 1264 1192 1122
drao  475003             1230 1271 1231 1157 1264 1231 1181
brmu  485001             1140 1202 1179 1121 1213 1147 1119
thu1  490001             1487 1544 1473 1345 1527 1443 1417
sant  500002 F            925    0  852    0  760 1081  528
kour  510001                0 1014 1071  977 1140 1155 1088
fort  520001             1118 1150 1109 1076 1063 1126 1107
areq  530002             1076 1132 1091 1048 1202 1148 1057
braz  550001             1054 1078  945  951 1060 1027  975
asc1  570002             1079 1077 1088  973 1136    0    0
hark  600101             1239 1241 1181 1198 1221 1188 1190
mas1  610101             1093 1160 1131 1044 1182 1118 1072
mali  630001             1081 1169 1150    0    0  960 1129
bahr  650001             1251 1282 1209 1176 1287 1202 1180
kokb  700002 F            769  798  872  685  778  571  645
tahi  712001                0    0    0    0    0 1155 1150
guam  730001             1094 1077 1055 1001 1180 1083 1003
kwj1  740001             1054 1099 1067  989 1101  991  904
mcm4  800201             1184 1230 1188 1153 1257 1172 1063
dav1  810001                0  733 1032  984 1062 1102 1085
cas1  820001              684  958 1095  981 1179 1144 1117
kerg  850001             1105 1180 1140 1113 1135 1125 1119

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



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     201  202  203  204  205  206  207
------------------------------------------
  1    2306 2276 2405 2333 2216 2400 2350
  2    2186 2389 2538 2337 2324 2493 2420
  3    2370 2369 2381 2302 2279 2368 2348
  4    2286 2297 2521 2262 2263 2453 2495
  5    2272 2283 2436 2304 2226 2360 2358
  6    2169 2175 2345 2185 2087 2206 2346
  7    2279 2317 2513 2341 2196 2351 2344
  9    2326 2330 2551 2379 2274 2377 2375
 10    2269 2406 2454 2223 2203 2399 2396
 14       0 2244 2358    0 2089 2305    0
 15    2412 2309 2495 2383 2293 2356 2336
 16    2225 2185 2318    0 2023    0    0
 17    2408 2382 2461 2354 2252 2492 2452
 18    2371 2338    0 2321 2258 2455 2396
 19    2185 2332 2546 2362 2212 2489 2449
 21    2427 2395 2442 2375 2329 2417 2463
 22    2345 2469 2438 2302 2247 2436 2483
 23    2325 2286 2465 2237 2266 2380 2293
 24    2332 2338 2551 2312 2251 2520 2511
 25    2243 2429 2532 2372 2298 2452 2438
 26    2408 2458 2464 2456 2347 2519 2404
 27    2296 2350 2553 2441 2221 2445 2428
 29    2348 2361 2513 2415 2340 2458 2417
 30    2354 2271 2456 2283 2225 2353 2334
 31    2336 2385 2472 1957 1790 2306 2270
-----------------------------------------




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

YEAR: 97 DAYS: 201 to 207
      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       .7     2.1     3.1   4000  FIXED UUUUUUU 
 AREQ      9.6     5.7    11.5   5300        NNNNNNN 
 ASC1     17.3     7.0    13.1   5700        NNNNN.. 
 BAHR     18.6     7.4     6.9   6500        NNNNNNN 
 BISH     10.5     4.4     9.2   2399        NNNNNNN 
 BRAZ     13.0     7.0     6.9   5500        NNNNNNN 
 BRMU     12.0     3.2     5.7   4850        NNNNNNN 
 CAS1     10.1     5.2     4.8   8200        NNNNNNN 
 CHAT      8.0     1.9     4.2   3400        NNNNNNN 
 DAV1     10.6     5.0     7.7   8100        .NNNNNN 
 DGAR     12.3     4.7     9.7   3600        NNNNNNN 
 DRAO      7.7     3.7     3.3   4750        NNNNNNN 
 FAIR      1.1     3.2     1.4   4200  FIXED UUUUUUU 
 FORT     15.1     6.4     7.8   5200        NNNNNNN 
 GOL2       .6      .7     1.7   4101        NNNNNNN 
 GUAM     17.5     5.1    14.2   7300        NNNNNNN 
 HARK      8.8     7.4    12.9   6001        NNNNNNN 
 HOB2      8.2     1.4     3.7   3210        NNNNNNN 
 IISC     13.9     3.5    14.9   2700        NNNNNNN 
 IRKT      2.7     6.2     4.7   2800        NNN..NN 
 JPLM      8.0     2.7     3.0   4150        NNNNNNN 
 KERG     17.1     6.2     8.1   8500        NNNNNNN 
 KIT3     19.6     7.8     9.9   2351        ...N.NN 
 KOKB       .4     1.6     1.1   7000  FIXED UUUUUUU 
 KOSG      1.3     5.9     1.7   1100  FIXED UUUUUUU 
 KOUR     38.3     4.6     7.4   5100        .NNNNNN 
 KWJ1     13.4     2.5     8.7   7400        NNNNNNN 
 MAC1     12.3     2.6     3.0   3300        NNNNNNN 
 MAD2     13.6     7.2     6.6   1201        NNNNNNN 
 MALI     15.5     5.2     3.8   6300        NNN..NN 
 MAS1      9.8     4.4     4.1   6101  FIXED UUNUUNN 
 MATE     10.8     6.3     2.9   1300  FIXED UUNUUNN 
 MCM4      8.6     5.2     6.5   8002        NNNNNNN 
 MDO1      9.6     3.3     5.1   4180        NNNNNNN 
 METS      3.6     4.8     3.7   1800        NNNNNNN 
 NLIB     12.1     2.8     3.8   4090        NNNNNNN 
 NYAL      9.0     5.8     2.7   1400        NNNNNNN 
 OBER      6.0     6.0     3.7   1610        NNNNNNN 
 ONSA      6.3     7.5     4.0   1050        NNNN.NN 
 POTS      7.6     6.2     3.9   1650        NNNNNNN 
 SANT      3.3     2.1     1.0   5000  FIXED U.U.UUU 
 STJO     10.4     5.3     7.7   4050        NNNNNNN 
 TAHI      6.3      .9    10.4   7120        .....NN 
 TAIW     15.4     4.4     6.2   2200  FIXED .UN.... 
 THU1      8.2     2.2     5.5   4900        NNNNNNN 
 TIDB      2.6     1.2     1.2   3050  FIXED UUUUUUU 
 TSKB     14.0     5.8    13.4   2050        NNNNNNN 
 USUD     15.0     5.4    13.9   2000        NNNNNNN 
 WES2      6.5     2.1     4.9   4080        NNNNNNN 
 WSRT      1.3     2.6     2.1   1110        N.NN... 
 WTZR      1.4     6.0     2.3   1601        NNNNNNN 
 YAR1      3.0      .9     1.2   3100  FIXED UUUUUUU 
 YELL       .8     1.5     3.1   4700  FIXED UUUUUUU 
 ZWEN      7.6     6.5     3.9   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
   - 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 DAV1 DGAR DRAO FAIR FORT GOL2 GUAM HARK HOB2 IISC IRKT JPLM KERG KIT3 KOKB KOSG KOUR KWJ1 MAC1 MAD2 MALI MAS1 MATE MCM4 MDO1 METS NLIB NYAL OBER ONSA POTS SANT STJO TAHI TAIW THU1 TIDB TSKB USUD WES2 WSRT WTZR YAR1 YELL ZWEN 


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



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