[IGSREPORT-4122] Wk 0921 GFZ Analysis Report

G. G.
Thu Sep 11 04:55:03 PDT 1997


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IGS Electronic Report    Thu Sep 11  4:55:03 PDT 1997      Message Number 4122
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Author: G. Gendt
Subject: Wk 0921 GFZ Analysis Report

Subject: Wk 0921 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0921 (DAYS 243-249, DATES 31-08-97 TO 06-09-97)
******************************************************************************

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: 
______________________________________________________________________________
gfz09217.sum           this text file
gfz09217.erp           Earth rotation parameters 
gfz09217.snx           Weekly SINEX File 
gfz0921[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0921       DAYS  242 - 249
_______________________________________________________________________________
  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"
50690.500  19161  45885 -30552050  1589    2    2    3    3    49 16 26  166 -159       5       5
50691.500  19404  45696 -30553633  1576    2    2    3    3    52 16 26  275 -233       4       4
50692.500  19669  45538 -30555224  1606    2    2    3    3    51 16 26  221 -113       4       4
50693.500  19927  45366 -30556846  1638    2    2    3    3    52 16 26  272 -193       4       4
50694.500  20202  45178 -30558480  1630    2    2    3    3    51 16 26  261 -179       4       4
50695.500  20445  44992 -30560113  1635    2    2    3    3    53 16 26  231 -201       4       4
50696.500  20604  44776 -30561737  1614    2    2    3    3    53 16 26   93 -238       4       4
50697.500  20751  44512 -30563357  1626    2    2    3    3    52 16 26  182 -279       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  243    244    245    246    247    248    249    
-------------------------------------------------------
01    27 E   26 E   28 E   29 E   27 E   30 E   29 E
02    10     14     11     12     16     13     15  
03    21 E   21 E   15 E   19     19     26     23  
04    13     17     11     18     15     17     13  
05     9     12      6     13     12     15     11  
06    15 E   17 E   17 E   15 E   15 E   14 E   16  
07    28 E   30 E   25 E   22     33     29     27  
09    15     13     16     18     20     16     19  
10    11      6      8     10     11      6     10  
13     - E   22 E   11 E   16 E   10 E   11 E   14 E
14   170     30     15     20     18    143     17  
15    11     11     15     13     14     16     14  
16    10      -      -      9      7      8      7  
17    13     12     10     19     14      6     15  
18    55 E   36 E   36 E   34 E   25 E   17 E   22 E
19    21     17      -      -     15     20     19  
21    12     13     11     14     11     12     14  
22     6     10      8     11     11     17     11  
23    11     13     10     16     11     10     17  
24    19     15     14     16     18     15     15  
25    10     14     14     15     14     19     15  
26    28 E   23 E   32 E   31 E   31 E   28 E   38 E
27    20     15     21     17     22     15     24  
29    16 E   20 E   30 E   27 E   22 E   26 E   19 E
30     6      9      6      6      7     14      7  
31    27 E   17 E   29 E   22     24     26     22  

MEAN  20     19     19     19     18     18     19
---------------------------------------------------
REMARKS: PNR16 deleted from sp3-file for day 244
         modelling problems
         PNR19 deleted from sp3-file for day 245
         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#               243  244  245  246  247  248  249
----------------------------------------------------
onsa  105001             1206 1145 1160 1225 1254 1225 1229
kosg  110001 F           1321 1268 1287 1302 1328 1300 1315
wsrt  111001             1321 1279 1297 1329 1337 1328 1312
mad2  120101                0    0    0 1249 1303 1287 1312
mate  130002             1279 1212 1156 1229 1261 1256 1132
wtzr  160101 F           1250 1164 1064  931 1235 1233 1259
ober  161001             1268 1222 1231 1254 1268 1282 1253
pots  165001             1257 1200 1198 1241 1233 1230 1274
mets  180001             1200 1150 1142 1176 1222 1218 1190
zwen  190001             1002 1008 1058 1061 1038 1021 1001
usud  200002              898 1197 1182 1221 1233 1248 1252
tskb  205001             1259 1244 1232 1287 1261 1290 1296
taiw  220001             1200 1123 1161 1187 1199    0    0
kit3  235101              903  874 1252    0 1291 1322 1330
lhas  240001             1154 1081  883 1199 1150 1167 1141
kstu  250101             1274 1242 1249 1282 1303 1317 1267
iisc  270002             1232    0    0    0    0    0    0
irkt  280001             1216 1157 1192 1221 1200 1196 1217
ntus  290001             1010  824    0 1024    0  909 1025
tid2  305201 F           1238 1245 1250 1294 1310 1289 1321
hob2  321001             1232 1182 1162    0    0 1230 1193
mac1  330003             1148 1133 1125    0    0 1260 1222
chat  340001             1233 1217 1212 1208 1253 1251 1277
dgar  360001              953  988  994    0    0    0    0
algo  400003 F           1240 1192 1226 1238 1244 1263 1233
stjo  405003             1224  918 1187 1230 1239    0 1237
wes2  408001             1248 1225 1202 1217 1263 1286 1287
nlib  409001              936 1229 1223 1253 1276 1284 1284
gol2  410101 F           1244 1221 1199 1255 1281 1303 1303
jplm  415002             1290 1254 1238 1294 1314 1263 1326
mdo1  418001             1294 1250 1225 1301 1266 1291 1294
fair  420002 F            708 1225 1246 1261 1215 1285 1291
yell  470004 F           1276 1149 1234 1127 1104 1261 1225
drao  475003             1248 1223 1189 1255 1288 1258 1273
rcm6  483001             1246 1221 1204 1247 1230 1216    0
brmu  485001             1204 1212 1226 1259 1223 1225 1280
sant  500002 F            750  723  771  851  664  709  702
kour  510001                0    0    0    0    0 1172 1194
fort  520001             1091 1107 1062 1114 1113 1114 1120
areq  530002             1203 1203 1199 1265 1212 1255 1206
braz  550001             1122 1076 1145 1146 1166 1168 1185
riog  561001             1257    0    0 1267 1247    0 1279
lpgs  564301             1221 1242 1257 1325    0 1282    0
asc1  570002                0    0    0  934  710    0    0
hark  600101             1232 1195 1208 1253  939 1227 1288
mas1  610101             1145 1166 1186 1222 1209 1226 1198
mali  630001             1253    0 1224 1247 1255 1227 1278
bahr  650001             1333 1290 1239 1339 1333 1354 1316
kokb  700002 F            731 1048  835  816    0  783  878
tahi  712001             1172 1150 1189 1141 1155 1196  921
guam  730001             1111 1130 1102 1196 1164 1095 1154
kwj1  740001                0    0    0    0    0 1003 1170
mcm4  800201             1239 1173 1196 1243 1226 1242 1233
cas1  820001             1103 1119    0    0    0 1127 1069
kerg  850001             1266 1152 1182 1219 1212 1238 1253

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



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     243  244  245  246  247  248  249
------------------------------------------
  1    2417 2264 2191 2255 2121 2374 2335
  2    2324 2230 2186 2163 2149 2409 2358
  3    2206 2094 2129 2070 2105 2266 2156
  4    2318 2207 2289 2339 2212 2365 2341
  5    2341 2274 2177 2128 2009 2244 2338
  6    2200 2114 2044 1991 1991 2188 2252
  7    2255 2167 2176 2394 2223 2320 2326
  9    2343 2227 2187 2147 1976 2211 2334
 10    2309 2255 2298 2176 2091 2297 2317
 13    1876 1830 1789 1818 1676 1928 1868
 14    2275 2229 2154 2127 2057 2175 2285
 15    2374 2241 2223 2172 2090 2317 2264
 16    2057    0 2198 2160 2062 2220 2249
 17    2381 2246 2226 2124 2088 2219 2227
 18    2001 2023 2123 2078 1929 2064 2113
 19    2291 2188    0 2168 2141 2363 2297
 21    2388 2244 2294 2162 2084 2277 2251
 22    2330 2198 2305 2128 2223 2284 2356
 23    2401 2262 2244 2260 2163 2334 2330
 24    2400 2362 2299 2247 2235 2329 2350
 25    2362 2293 2269 2253 2149 2353 2325
 26    2310 2258 2282 2172 2076 2349 2401
 27    2297 2242 2185 2272 2076 2431 2387
 29    2244 2286 2185 2164 2084 2288 2286
 30    2428 2269 2134 2166 1984 2214 2274
 31    2313 2245 2294 2301 2233 2393 2275
-----------------------------------------




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

YEAR: 97 DAYS: 243 to 249
      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      1.9      .5      .7   4000  FIXED UUUUUUU 
 AREQ      7.5     5.8     5.5   5300        NNNNNNN 
 ASC1     16.0     3.8    10.4   5700        ...NN.. 
 BAHR      5.7     3.1     9.1   6500        NNNNNNN 
 BRAZ     10.0     4.9     5.1   5500        NNNNNNN 
 BRMU     10.6     4.7     2.6   4850        NNNNNNN 
 CAS1     30.0     2.1     7.4   8200        NN...NN 
 CHAT      9.7     6.9     5.8   3400        NNNNNNN 
 DGAR     15.0     3.8    17.0   3600        NNN.... 
 DRAO      7.3     2.1     4.8   4750        NNNNNNN 
 FAIR      1.5     1.5     1.0   4200  FIXED UUUUUUU 
 FORT      8.4     5.6     7.9   5200        NNNNNNN 
 GOL2       .5      .5     1.4   4101        NNNNNNN 
 GUAM     20.9     6.7    14.5   7300        NNNNNNN 
 HARK     10.1     5.0    11.3   6001        NNNNNNN 
 HOB2      9.2     6.1     6.0   3210        NNN..NN 
 IISC       .0      .0      .0   2700        N...... 
 IRKT      6.8     5.3     6.4   2800        NNNNNNN 
 JPLM      5.3     2.4     5.3   4150        NNNNNNN 
 KERG     21.9     8.1     7.5   8500        NNNNNNN 
 KIT3     10.8     3.2     5.7   2351        NNN.NNN 
 KOKB      2.7     1.0     4.4   7000  FIXED UUUU.UU 
 KOSG      4.5     1.5     2.7   1100  FIXED UUUUUUU 
 KOUR      1.3      .4      .9   5100        .....NN 
 KSTU      3.0     5.6     6.5   2501        NNNNNNN 
 KWJ1     14.4     4.4     5.6   7400        .....NN 
 LHAS     10.6     5.0     8.2   2400        NNNNNNN 
 LPGS      6.9     6.1     6.6   5643        NNNN.N. 
 MAC1      4.0     6.9     3.6   3300        NNN..NN 
 MAD2      3.7     2.5     3.4   1201        ...NNNN 
 MALI     14.1     5.1     3.7   6300        N.NNNNN 
 MAS1      8.8     3.4     3.8   6101  FIXED UNUNNNU 
 MATE      4.2     1.5     3.4   1300  FIXED UNUNUUU 
 MCM4     14.8     5.3     9.8   8002        NNNNNNN 
 MDO1      4.6     2.2     5.5   4180        NNNNNNN 
 METS      5.1     2.4     5.1   1800        NNNNNNN 
 NLIB      9.5     2.1     2.3   4090        NNNNNNN 
 NTUS      8.3     3.0    11.4   2900        NN.N.NN 
 OBER      6.4     1.0     2.9   1610        NNNNNNN 
 ONSA     11.1     2.5     3.9   1050        NNNNNNN 
 POTS      6.9     2.1     3.6   1650        NNNNNNN 
 RCM6     10.0     2.6     6.7   4830        NNNNNN. 
 RIOG      2.2     7.7     3.4   5610        N..NN.N 
 SANT      2.9     2.6     1.8   5000  FIXED UUUUUUU 
 STJO      6.4     2.1     4.2   4050        NNNNN.N 
 TAHI     12.9     6.4     3.8   7120        NNNNNNN 
 TAIW     20.4    11.6     6.0   2200  FIXED UNUNN.. 
 TID2      1.8     4.4     7.6   3052        NNNNNNN 
 TSKB      7.2     5.5     9.0   2050        NNNNNNN 
 USUD     16.6     5.8     6.5   2000        NNNNNNN 
 WES2     12.1     2.2     2.5   4080        NNNNNNN 
 WSRT      2.5     1.6     2.6   1110        NNNNNNN 
 WTZR      4.7     1.5     3.1   1601        NNNNNNN 
 YELL      1.1      .8      .7   4700  FIXED UUUUUUU 
 ZWEN      5.1     2.5     4.0   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 BRAZ BRMU CAS1 CHAT DGAR DRAO FAIR FORT GOL2 GUAM HARK HOB2 IISC IRKT JPLM KERG KIT3 KOKB KOSG KOUR KSTU KWJ1 LHAS LPGS MAC1 MAD2 MALI MAS1 MATE MCM4 MDO1 METS NLIB NTUS OBER ONSA POTS RCM6 RIOG SANT STJO TAHI TAIW TID2 TSKB USUD WES2 WSRT WTZR YELL ZWEN 


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



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