[IGSREPORT-4105] Wk 0920 GFZ Analysis Report

G. G.
Fri Sep 5 05:56:54 PDT 1997


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IGS Electronic Report    Fri Sep  5  5:56:54 PDT 1997      Message Number 4105
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Author: G. Gendt
Subject: Wk 0920 GFZ Analysis Report

Subject: Wk 0920 GFZ Analysis Report


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GFZ ANALYSIS REPORT   GPS-WEEK 0920 (DAYS 236-242, DATES 24-08-97 TO 30-08-97)
******************************************************************************

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: 
______________________________________________________________________________
gfz09207.sum           this text file
gfz09207.erp           Earth rotation parameters 
gfz09207.snx           Weekly SINEX File 
gfz0920[0-6].sp3       Daily orbit ephemerides , SP3 format
______________________________________________________________________________


ERP RESULT

GFZ    ERP-RESULTS for WEEK 0920       DAYS  235 - 242
_______________________________________________________________________________
  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"
50683.500  17593  47119 -30541191  1450    2    3    4    4    54 16 26  286 -215       5       5
50684.500  17857  46909 -30542626  1420    2    3    4    4    55 16 26  270 -204       5       5
50685.500  18116  46757 -30544079  1487    2    3    4    4    53 16 26  191 -134       5       5
50686.500  18308  46606 -30545566  1486    2    2    3    3    53 16 26  180 -150       5       5
50687.500  18519  46434 -30547114  1611    2    2    3    3    54 16 26  205 -185       5       5
50688.500  18742  46257 -30548729  1618    2    2    3    3    52 16 26  221 -163       5       5
50689.500  18960  46065 -30550346  1617    2    2    4    4    51 16 25  197 -220       5       5
50690.500  19161  45885 -30551949  1589    2    2    3    3    49 16 26  166 -159       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  236    237    238    239    240    241    242    
-------------------------------------------------------
01    26 E   20 E   25 E   22 E   24 E   23 E   24 E
02    13     16     17     17     12     11     15  
03    30 E   21 E   30 E   17 E   27 E   26 E   18 E
04    18     14     17     16     20     17     16  
05    10      8     17     13      8      9     15  
06    23 E   19 E   20 E   15 E   23 E   14 E   17 E
07    33 E   31 E   35 E   27 E   31 E   37 E   37 E
09    11     11      9     12     12     12     14  
10    10      9     10      9      9      9      8  
13     - E   10 E    7 E   13 E    - E    - E    - E
14    14      -      -     31     12      8     11  
15     9     12     19     12     20     12     11  
16     -      -     10      3     13      -      -  
17    10      6      5      8      8      8     18  
18    67 E   64 E   84 E   78 E   77 E   71 E   69 E
19    18     26     13     19     17      7     15  
21    21     17     16     10     10      8     12  
22    14     14     12      8     10      8      7  
23    14     16     23     20     15     12     16  
24    17     16     16     17     19     22     14  
25    12     12     13     16     16     10     12  
26    35 E   31 E   27 E   29 E   23 E   26 E   25 E
27    13     24     18     20     15     15     13  
29    28 E   32 E   34 E   31 E   29 E   18 E   20 E
30     6      4      6      9      6      9      6  
31    35 E   34 E   33 E   26 E   38 E   34 E   34 E

MEAN  24     23     26     24     24     22     22
---------------------------------------------------
REMARKS: PNR08 deleted from sp3-file for day 241
         modelling problems
         PNR13 deleted from sp3-file for day 240-242
         modelling problems
         PNR14 deleted from sp3-file for day 237
         modelling problems
         PNR16 deleted from sp3-file for day 236,241
         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#               236  237  238  239  240  241  242
----------------------------------------------------
onsa  105001             1124 1049 1237 1193 1234 1181 1216
kosg  110001 F           1280 1273 1338 1305 1277 1228 1262
wsrt  111001             1289 1279 1341 1337 1234 1229 1275
mad2  120101             1284 1170 1101 1159 1155 1121 1208
mate  130002             1255 1216 1298 1297 1252 1176 1217
nyal  140001             1219 1242 1301    0    0    0    0
wtzr  160101 F           1207 1189 1186 1238  957 1089 1244
ober  161001             1232 1207 1260    0 1206 1169 1206
pots  165001             1208    0    0 1126 1220 1156 1211
mets  180001             1085  598 1198 1211 1212 1163 1177
zwen  190001              968  945  998 1025  963  930 1020
usud  200002             1192 1194 1215 1226 1191 1147 1185
tskb  205001             1236 1212 1267 1288 1236 1180 1242
taiw  220001                0 1130 1031 1107    0 1136 1156
kit3  235101                0  849  906  900    0    0  858
lhas  240001                0    0    0    0    0 1009 1191
kstu  250101             1230 1211 1248 1291 1211    0    0
iisc  270002             1179 1164 1230 1244 1147 1130 1138
irkt  280001             1197 1156 1251 1227    0    0 1163
tid2  305201 F           1247 1243 1296 1278 1261 1195 1199
hob2  321001             1064    0 1215 1211 1151 1149 1169
mac1  330003             1168 1088 1182 1122 1171  986 1070
chat  340001             1187 1184 1270 1279 1178 1094 1148
dgar  360001             1070    0 1112  985  996  917  937
algo  400003 F           1114 1078 1124 1172 1211 1157 1259
stjo  405003             1189 1164 1230 1232 1234 1150 1228
wes2  408001             1222 1182 1249 1275 1205 1149  790
nlib  409001             1154 1225 1248 1276 1222 1177 1226
gol2  410101 F           1248 1236 1171 1264 1261 1179 1239
jplm  415002             1260 1260 1287 1290 1259 1200 1247
mdo1  418001                0 1220 1275 1149 1255 1152 1245
fair  420002 F            712 1223  709 1279 1222 1152 1193
yell  470004 F           1145 1160 1272 1223 1094 1141 1133
drao  475003             1214 1221 1273 1266 1267 1237 1293
rcm6  483001                0 1188    0 1232 1247 1180 1240
brmu  485001             1211 1223 1221 1277 1185 1172 1207
thu1  490001             1540 1539    0    0    0    0    0
sant  500002 F              0    0  516  877  833    0    0
kour  510001             1122    0    0  480    0    0    0
fort  520001              796  892  961  919  832  862 1113
areq  530002             1113 1097 1266 1220 1198 1121 1145
braz  550001             1073 1002 1116    0    0    0    0
riog  561001                0    0    0 1239 1222 1167 1247
lpgs  564301                0    0    0    0 1159 1177 1207
asc1  570002             1102    0    0    0    0    0    0
hark  600101             1221 1189 1204 1215 1221 1189 1238
mas1  610101             1177 1155 1198 1197 1156 1145 1134
mali  630001             1167 1238 1186 1200 1201 1197    0
bahr  650001             1293 1291 1335 1330 1268 1218 1273
kokb  700002 F              0  529    0  842  567  713  863
tahi  712001                0    0    0    0 1166 1133 1158
guam  730001                0 1081 1158 1121 1069    0 1115
kwj1  740001             1049  996 1095    0    0    0    0
mcm4  800201                0 1132 1250 1232 1157 1128 1188
cas1  820001             1121 1098 1149 1040 1094 1032 1057
kerg  850001             1177 1109 1239 1193 1207 1141 1197

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



SATELLITE STATISTICS

                OBSERVATIONS for DAY (24-hour arcs used)

PRN     236  237  238  239  240  241  242
------------------------------------------
  1    2138 2284 2220 2167 2257 2124 2254
  2    2157 2191 2223 2218 2193 2126 2289
  3    2056 2015 1995 2088 2107 1951 2078
  4    2134 2237 2212 2296 2289 2126 2164
  5    2076 2161 2160 2084 2116 2075 2147
  6    1987 1946 2017 1990 1939 1924 1935
  7    2038 2155 2177 2197 2211 2127 2241
  9    2167 2208 2239 2165 2215 2125 2177
 10    2148 2108 2234 2252 2189 2073 2172
 13    1625 1800 1695 1724    0    0    0
 14    1961    0 2049 2156 2179 2111 2170
 15    2109 2205 2212 2201 2313 2127 2262
 16       0 2197 2168 2202 2179    0 2203
 17    2236 2194 2170 2147 2165 2115 2226
 18    1971 2070 1984 2055 2022 2007 2112
 19    2049 2076 2090 2240 2203 2160 2196
 21    2100 2154 2155 2246 2185 2128 2241
 22    2188 2264 2126 2271 2242 2126 2209
 23    2315 2168 2237 2256 2269 2174 2307
 24    2209 2252 2258 2289 2213 2236 2262
 25    2093 2236 2085 2276 2239 2268 2277
 26    2196 2122 2097 2208 2193 2174 2134
 27    2230 2172 2184 2176 2104 1997 2082
 29    2150 2163 2133 2106 2261 2179 2233
 30    2138 2021 2225 2161 2087 2116 2175
 31    2104 2118 2131 2103 2169 2085 2181
-----------------------------------------




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

YEAR: 97 DAYS: 236 to 242
      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      4.4     2.7     1.6   4000  FIXED UUUUUUU 
 AREQ     15.5     6.6    14.7   5300        NNNNNNN 
 ASC1       .0      .0      .0   5700        N...... 
 BAHR     11.5     5.8     9.7   6500        NNNNNNN 
 BISH      4.1     8.4     7.1   2399        NNNNN.. 
 BRAZ     29.9     8.4    11.4   5500        NNN.... 
 BRMU     13.7     5.7     5.6   4850        NNNNNNN 
 CAS1     11.3    16.8    11.1   8200        NNNNNNN 
 CHAT     15.4    13.0    10.8   3400        NNNNNNN 
 DGAR     19.7    10.7    12.5   3600        N.NNNNN 
 DRAO      3.6     2.3     2.5   4750        NNNNNNN 
 FAIR      2.6     1.2     2.3   4200  FIXED UUUUUUU 
 FORT     15.7     5.3    10.6   5200        NNNNNNN 
 GOL2      2.4     2.0     2.1   4101        NNNNNNN 
 GUAM     22.5    12.6    11.1   7300        .NNNN.N 
 HARK      9.2     8.0     9.4   6001        NNNNNNN 
 HOB2     10.0    14.5     5.5   3210        N.NNNNN 
 IISC      8.8     8.7     8.8   2700        NNNNNNN 
 IRKT      6.4     6.7     7.7   2800        NNNN..N 
 JPLM      5.8     2.7     2.9   4150        NNNNNNN 
 KERG     13.5     9.7    12.9   8500        NNNNNNN 
 KIT3     14.6     4.4     7.4   2351        .NNN..N 
 KOKB      4.0     3.7     2.7   7000  FIXED .U.UUUU 
 KOSG      3.6     1.5     4.2   1100  FIXED UUUUUUU 
 KOUR     11.0     3.3      .5   5100        N..N... 
 KSTU      7.8     8.7     5.7   2501        NNNNN.. 
 KWJ1     34.1    10.1     2.2   7400        NNN.... 
 LHAS      3.4     7.2     6.3   2400        .....NN 
 LPGS     15.4     3.1     1.9   5643        ....NNN 
 MAC1      7.8    13.3    11.7   3300        NNNNNNN 
 MAD2      8.9     3.5     6.6   1201        NNNNNNN 
 MALI     12.9     7.1    15.2   6300        NNNNNN. 
 MAS1      9.6     1.8     5.0   6101  FIXED UUUUUUU 
 MATE      4.2     2.5     4.7   1300  FIXED UUUUUUU 
 MCM4     19.6    13.6    11.2   8002        .NNNNNN 
 MDO1     11.3     3.2     3.1   4180        .NNNNNN 
 METS      5.6     2.9     4.7   1800        NNNNNNN 
 NLIB      9.1     4.7     5.0   4090        NNNNNNN 
 NYAL      3.6     2.8     4.3   1400        NNN.... 
 OBER      8.7     2.8     3.8   1610        NNN.NNN 
 ONSA      7.4     4.9     5.1   1050        NNNNNNN 
 POTS      8.4     1.6     5.7   1650        N..NNNN 
 RCM6      9.9     4.3     9.8   4830        .N.NNNN 
 RIOG     11.0    10.3     5.8   5610        ...NNNN 
 SANT      1.4     4.1     1.4   5000  FIXED ..UUU.. 
 STJO      5.9     3.0     5.1   4050        NNNNNNN 
 TAHI     12.6     2.6     5.8   7120        ....NNN 
 TAIW      8.4     1.7     2.6   2200  FIXED .UUU.UU 
 THU1      3.2      .4      .9   4900        NN..... 
 TID2      7.6    14.3     5.3   3052        NNNNNNN 
 TSKB     13.0     8.3     7.7   2050        NNNNNNN 
 USUD     11.8     7.7     4.7   2000        NNNNNNN 
 WES2     11.8     4.1     2.6   4080        NNNNNNN 
 WSRT      8.4     3.2     5.0   1110        NNNNNNN 
 WTZR      3.5     2.2     4.4   1601        NNNNNNN 
 YELL      1.4     2.1     1.5   4700  FIXED UUUUUUU 
 ZWEN      7.4     3.3     6.9   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 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 NYAL OBER ONSA POTS RCM6 RIOG SANT STJO TAHI TAIW THU1 TID2 TSKB USUD WES2 WSRT WTZR YELL ZWEN 


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



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