[IGSREPORT-4056] Wk 0918 GFZ Analysis Report

G. G.
Thu Aug 21 03:04:06 PDT 1997


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IGS Electronic Report    Thu Aug 21  3:04:06 PDT 1997      Message Number 4056
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Author: G. Gendt
Subject: Wk 0918 GFZ Analysis Report

Subject: Wk 0918 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0918 (DAYS 222-228, DATES 10-08-97 TO 16-08-97)
******************************************************************************

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: 
______________________________________________________________________________
gfz09187.sum           this text file
gfz09187.erp           Earth rotation parameters 
gfz09187.snx           Weekly SINEX File 
gfz0918[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0918       DAYS  221 - 228
_______________________________________________________________________________
  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"
50669.500  14629  50173 -30522126  1505    2    2    4    4    51 16 25  225 -168       5       5
50670.500  14844  49959 -30523596  1435    2    2    3    3    53 16 25  206 -216       5       5
50671.500  15053  49702 -30525006  1385    2    2    3    3    53 16 25  196 -206       4       4
50672.500  15265  49524 -30526396  1395    2    2    3    3    53 16 25  223 -187       4       4
50673.500  15476  49346 -30527785  1383    2    2    3    3    53 16 25  189 -221       5       5
50674.500  15692  49137 -30529125  1295    2    2    3    3    53 16 25  218 -201       5       5
50675.500  15891  48932 -30530411  1277    2    2    4    4    54 16 25  130 -202       5       5
50676.500  16061  48671 -30531702  1305    2    3    3    3    55 16 25  217 -196       5       5
____________________________________________________________________________________________________




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  222    223    224    225    226    227    228    
-------------------------------------------------------
01    15     19     21     25     23     19     18 E
02    13     11     17     16     14     15     10  
03    25 E   24 E   24 E   21 E   24 E   19 E   28 E
04    16     12     12     11     12     13     11  
05    17     21     16     14     14     12     12  
06    39 E   43 E   43 E   53 E   33 E   40 E   30 E
07    34 E   28 E   33 E   34 E   37 E   33 E   32 E
09     6      6      6      7      6      7      6  
10    18     19     14     10     11     11     13  
14     -     12      -      -     12     13     18  
15    11     10      9     12      8     14     14  
16    14      -      -      -      -      -      -  
17    16     14     15     12     10     14      8  
18    17     23     20     21     25 E   26 E   33 E
19    10     12     17     15     13     13      9  
21    16     21     18     16     17     17     17  
22    10      9     12      9      9      7      8  
23    12      8     14      3     17     16      5  
24    14     11     11      8     13     15     15  
25    11      9     13     11     11     12     11  
26    16     16     12     20     14     16 E   22 E
27    14     14     19     20     17     17     12  
29    18     15     21     19     11 E   25 E   17 E
30     9      6      5      9      6      8      5  
31    37 E   33 E   34 E   36 E   37 E   35 E   37 E

MEAN  19     19     20     20     19     19     19
---------------------------------------------------
REMARKS: PNR14 deleted from sp3-file for day 224
         (manouvre)
         PNR16 deleted from sp3-file for day 223,225,227
         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#               222  223  224  225  226  227  228
----------------------------------------------------
onsa  105001             1248 1153 1170 1207 1258 1184 1239
kosg  110001 F           1276 1233 1232 1214 1263 1204 1273
wsrt  111001             1284 1196 1222 1236 1268 1202 1219
mad2  120101             1259 1192 1189 1174 1236  947    0
mate  130002             1232 1183 1182 1181 1245 1192 1239
wtzr  160101 F           1248 1198    0  644 1219 1210 1162
ober  161001                0 1173    0    0 1217 1155 1205
pots  165001             1224 1141 1164 1157 1208 1152 1200
mets  180001             1203 1186 1183 1181 1221 1192 1240
zwen  190001             1024  992 1022  976 1022  899 1000
usud  200002             1167 1124 1140 1149 1186  871    0
tskb  205001             1248 1192 1155 1200 1242 1181 1223
taiw  220001             1192 1136 1111    0 1148 1122    0
kit3  235101              867  833  837    0  682  843  863
iisc  270002              650 1026 1049    0    0    0 1178
irkt  280001             1175 1143 1115 1119 1187 1120 1169
tidb  305003 F           1219 1160 1186 1200 1226  991 1193
yar1  310001 F              0    0    0  746 1214    0    0
hob2  321001             1205 1150 1173    0    0 1121 1196
mac1  330003             1147 1053 1062    0    0    0    0
chat  340001             1237 1188 1190 1184 1203 1092 1162
coco  350001             1171 1123 1133 1109    0 1076 1115
dgar  360001              905  631    0    0  699  993  981
algo  400003 F           1213 1183 1168 1153 1214 1108 1191
stjo  405003             1233 1198 1176 1164 1233 1188 1235
wes2  408001             1227 1182 1145 1174 1217 1143 1196
nlib  409001             1181 1185 1179 1195 1217  937 1236
gol2  410101 F           1209 1200 1225 1220 1262  942 1226
jplm  415002             1255 1174 1190 1193 1104  750 1227
mdo1  418001             1229 1181 1140 1209 1229  929 1179
fair  420002 F           1089 1180 1157 1154 1200  920 1215
yell  470004 F           1232 1035 1104 1066 1114 1121 1179
drao  475003             1252 1192 1190 1204 1272 1190 1253
rcm6  483001             1217 1161 1170 1210 1225 1169 1193
brmu  485001             1205 1154 1150 1169 1202 1167 1162
thu1  490001             1525 1457 1433 1460 1503 1450 1516
sant  500002 F              0    0  861  727  801    0    0
kour  510001             1090 1118  965    0 1100 1099 1131
fort  520001             1119 1144  902 1144 1099 1069 1104
areq  530002             1205 1142 1123 1103 1177 1073 1131
braz  550001             1110 1079 1067 1065 1079 1014 1095
asc1  570002                0    0    0    0    0 1028 1132
hark  600101             1260 1227 1239 1204 1253 1198 1279
mas1  610101             1175 1138 1107 1125 1174 1096 1181
mali  630001             1191 1228 1227 1237 1274 1214    0
bahr  650001             1241 1247 1235 1144 1274 1215 1267
kokb  700002 F            697  930  856  748  922  616  791
tahi  712001             1206 1187 1228 1165    0    0 1037
guam  730001                0 1016 1098    0 1132  855 1090
kwj1  740001                0 1041 1055 1102 1096  757  990
mcm4  800201             1175 1201 1195 1186  593  897 1144
dav1  810001              979    0    0    0    0  972 1120
cas1  820001             1110 1003 1182  953    0 1055    0
kerg  850001             1206 1157 1197 1173 1196 1099 1178

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



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     222  223  224  225  226  227  228
------------------------------------------
  1    2424 2511 2384 2161 2114 2258 2197
  2    2274 2497 2348 2025 2186 2297 2276
  3    2212 2335 2179 1917 2094 1993 2127
  4    2320 2409 2366 2005 2278 2398 2234
  5    2254 2341 2313 1976 2083 2328 2169
  6    2086 2171 2054 1862 2064 2051 2090
  7    2219 2423 2298 2068 2188 2270 2101
  9    2272 2379 2254 2035 2196 2274 2229
 10    2352 2448 2415 2051 2188 2362 2265
 14    2229 2260    0 2144 2159 2149 2219
 15    2342 2300 2249 2156 2179 2073 2138
 16    2142    0 2223    0 2038    0 2120
 17    2242 2373 2246 2095 2194 2225 2292
 18    2312 2406 2366 2084 2126 2082 2133
 19    2281 2509 2387 2114 2243 2200 2185
 21    2347 2397 2298 2090 2184 1986 2233
 22    2415 2552 2431 2093 2292 2322 2237
 23    2350 2464 2398 2139 2272 2167 2289
 24    2340 2467 2431 2066 2149 2434 2192
 25    2301 2464 2345 2097 2161 2289 2116
 26    2317 2391 2378 2119 2221 2248 2128
 27    2297 2496 2320 2110 2238 2301 2229
 29    2437 2483 2415 2132 2176 2188 2281
 30    2228 2345 2266 1967 2161 2349 2205
 31    2302 2442 2306 2011 2171 1982 2115
-----------------------------------------




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

YEAR: 97 DAYS: 222 to 228
      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       .3      .3      .7   4000  FIXED UUUUUUU 
 AREQ     23.4     5.5    11.7   5300        NNNNNNN 
 ASC1      7.2     4.6      .5   5700        .....NN 
 BAHR     12.0     8.6    10.5   6500        NNNNNNN 
 BISH     18.4     6.8     9.3   2399        NNNNNNN 
 BRAZ     13.6     5.2     9.7   5500        NNNNNNN 
 BRMU     16.2     4.0     4.1   4850        NNNNNNN 
 CAS1      7.1     8.8     8.1   8200        NNNN.N. 
 CHAT     11.6     7.3     3.7   3400        NNNNNNN 
 COCO     25.7    13.6    19.1   3500        NNNN.NN 
 DAV1      2.2     3.4     3.6   8100        N....NN 
 DGAR     13.1    14.3    24.2   3600        NN..NNN 
 DRAO     10.1     2.1     4.2   4750        NNNNNNN 
 FAIR       .2      .5      .2   4200  FIXED UUUUUUU 
 FORT     14.4     2.8     8.5   5200        NNNNNNN 
 GOL2       .4      .5      .4   4101        NNNNNNN 
 GUAM     19.0     6.6     4.1   7300        .NN.NNN 
 HARK     13.6     8.9    16.5   6001        NNNNNNN 
 HOB2     12.5     3.1     4.4   3210        NNN..NN 
 IISC      8.9     5.2    13.3   2700        NNN...N 
 IRKT     12.7     3.9     7.4   2800        NNNNNNN 
 JPLM     10.2     1.9     5.2   4150        NNNNNNN 
 KERG      9.8    14.9    16.8   8500        NNNNNNN 
 KIT3     19.7     6.8     9.1   2351        NNN.NNN 
 KOKB       .6      .8      .5   7000  FIXED UUUUUUU 
 KOSG       .6      .4      .8   1100  FIXED UUUUUUU 
 KOUR     11.4     4.1     4.6   5100        NNN.NNN 
 KWJ1     13.8     6.9     8.5   7400        .NNNNNN 
 MAC1      5.0     2.8     5.5   3300        NNN.... 
 MAD2     10.0     4.1     6.9   1201        NNNNNN. 
 MALI     12.7    11.2    14.9   6300        NNNNNN. 
 MAS1     15.6     3.0     8.0   6101        NNNNNNN 
 MATE      8.5     2.7     2.9   1300  FIXED NNNNNUU 
 MCM4     10.0     4.9    13.7   8002        NNNNNNN 
 MDO1     11.4     4.6     7.3   4180        NNNNNNN 
 METS      7.0     3.9     2.4   1800        NNNNNNN 
 NLIB      7.5     2.8     4.7   4090        NNNNNNN 
 OBER      4.8     1.0     2.0   1610        .N..NNN 
 ONSA      6.0     2.2     2.8   1050        NNNNNNN 
 POTS      8.8     3.5     3.1   1650        NNNNNNN 
 RCM6      5.9     3.7     5.8   4830        NNNNNNN 
 SANT       .4      .2      .7   5000  FIXED ..UUU.. 
 STJO      9.6     2.3     8.2   4050        NNNNNNN 
 TAHI      9.4     8.8    11.5   7120        NNNN..N 
 TAIW     15.7    14.2     6.1   2200        NNN.NN. 
 THU1      5.7     2.6     3.7   4900        NNNNNNN 
 TIDB       .5      .8      .3   3050  FIXED UUUUUUU 
 TSKB     14.3     9.5     4.6   2050        NNNNNNN 
 USUD      9.4    10.7     8.1   2000        NNNNNN. 
 WES2     14.5     3.0     5.0   4080        NNNNNNN 
 WSRT      2.8     1.6     3.5   1110        NNNNNNN 
 WTZR       .7      .5      .9   1601        NN.NNNN 
 YAR1       .1      .0      .1   3100  FIXED ...UU.. 
 YELL       .3      .5      .4   4700  FIXED UUUUUUU 
 ZWEN      7.9     4.1     6.1   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 FAIR FORT GOL2 GUAM HARK HOB2 IISC IRKT JPLM KERG KIT3 KOKB KOSG KOUR KWJ1 MAC1 MAD2 MALI MAS1 MATE MCM4 MDO1 METS NLIB OBER ONSA POTS RCM6 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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