[IGSREPORT-24537] Wk 1901 GRG Analysis report

igs-ac at cls.fr igs-ac at cls.fr
Thu Jun 23 09:37:49 PDT 2016


CNES CLS GPS WEEK 1901 (DAYS: 164 - 170 , JUL50: 24269 - 24275 ) 
----------------------------------------------------------------

PRODUCT SUMMARY 

Submitted by: S. Loyer    (1), F. Perosanz (2), H. Capdeville (1), 
              F. Mercier  (2), A Mezerette (1)

(1) CLS, Toulouse, France
(2) CNES, Toulouse, France

Contacts: igs-ac at cls.fr
Web:      igsac-cnes.cls.fr 

PROCESSING STRATEGY 
-------------------
 Softwares used : PRAIRIE/GINS/DYNAMO   Version : CR6TRA

 grg.acn : GRG Analysis Center processing strategy and used models
           available at IGS GB:
           igscb.jpl.nasa.gov/igscb/center/analysis/grg.acn 

 Main Processing changes for grg final products :                              
              week 1436 : First delivery 
              week 1515 : 30 sec. GPS daily clocks
              week 1555 : Start of the fixed-integer products
              week 1580 : Simplification of B&W models
              week 1602 : Correction in the integer initialization of pwu 
              week 1618 : Delivery of Glonass ephemeris (no changes for GPS)
              week 1632 : PCVs from igs08.atx / Reference frame igs08 
              week 1659 : Combined GLO/GPS + Kouba's attitude law + gradients
              week 1701 : GNSS clocks now computed in COF frame  
              week 1702 : Switch to daily SINEX products
              week 1709 : Switch to IGb08 (refer to IGSMAIL 6663) 
              week 1718 : S1S2 atm.loading and CMC corrections (IERS2010) 
              week 1759 : Updated Standards / New Dyn for bloc IIA GPS
              week 1831 : Seasonal variations for a priori tropospheric model
                          gpt2 (corrected)  
              week 1840 : grg final products are identical to grm products 
                          delivered for MGEX (Multi Gnss EXperiment)
                          but contain only GPS and Glonass values. 
              week 1856 : adoption of  igs08_1854.atx containing conventional
                          MGEX values for GALILEO (see IGSMAIL 7126)
               
FILES SENT TO IGS ARCHIVES (Multi Gnss EXperiment):
-------------------------------------------------------------------------
grm19017.erp.Z      GNSS daily earth rotation parameters, IGS format
grm1901?.snx.Z      GNSS daily coordinates/erp solution   
grm1901?.sp3.Z      15' daily orbits, sp3c format , GNSS (GPS/GLO/GAL)
grm1901?.clk.Z      30 sec. GNSS daily clocks, RINEX     (GPS/GLO/GAL)    
--------------------------------------------------------------------------
FILES SENT TO IGS ARCHIVES (IGS finals):
-------------------------------------------------------------------------
grg19017.sum.Z      This text file 
grg19017.erp.Z      GNSS daily earth rotation parameters, IGS format
grg1901?.snx.Z      GNSS daily coordinates/erp solution   
grg1901?.sp3.Z      15' daily orbits, sp3c format , GNSS (GPS/GLO) 
grg1901?.clk.Z      30 sec. GNSS daily clocks, RINEX     (GPS/GLO)
--------------------------------------------------------------------------
      

ERP RESULTS

version 2
CNES CLS GRGS ERP VALUES WEEK 1901 
________________________________________________________________________________________________________
  MJD       Xpole   Ypole   UT1-UTC   LOD    Xsig   Ysig UTsig LODsig Nr Nf Nt  X-RT  Y-RT  X-RTsig Y-RTsig DX  DY
             E-6"    E-6"  0.1 us  .1us/d    E-6"   E-6" .1 us .1us/d         E-6"  E-6"   E-6"    E-6" E-6"  E-6"   
57551.50  110929  494781 -2003990    9014     57     57     0    10 117  0  0  2604 -1060    13    18      0      0
57552.50  113846  494049 -2012560    8300     58     58     0    11 116  0  0  3111  -259    13    18      0      0
57553.50  116746  494252 -2021110    7604     56     56     0    11 113  0  0  2840   517    13    18      0      0
57554.50  119503  494643 -2028710    6332     57     57     0    11 114  0  0  2841   280    13    18      0      0
57555.50  122309  494688 -2035040    5358     55     55     0    10 113  0  0  2969  -353    12    17      0      0
57556.50  125167  494218 -2040240    4432     55     55     0    10 111  0  0  2603  -598    12    17      0      0
57557.50  127382  493599 -2044310    3400     56     56     0    10 114  0  0  2001  -818    13    18      0      0


ORBIT REPEATABILITY  (cm)

DAY1 (6h+24h+6h) |---|------------|---|
DAY2 (6h+24h+6h)              |---|------------|---|
    12h overlap:               xxx|xxx  
 
 -----------------------------------------------------------
  PRN  24269   24270   24271   24272   24273   24274   24275
 -----------------------------------------------------------
 G01     4       5       6       7       6       5       4  
 G02     3       4       6       7       5       4       4  
 G03     2       1       2       2       2       2       2  
 G05     2       4       4       4       4       3       3  
 G06     4       4       7       8       6       4       4  
 G07     3 E     3 E     3 E     3 E     3 E     3 E     4 E
 G08     3 E     4 E     4 E     5 E     4 E     3 E     3 E
 G09     4       4       6       6       5       4       4  
 G10     2       3       3       3       2       3       4  
 G11     3       6       8       7       6       5       5  
 G12     2       2       3       3       3       3       4  
 G13     5       6       8       9       7       5       5  
 G14     4       4       7       7       5       4       4  
 G15     4       5       7       8       6       4       4  
 G16     3       3       4       4       3       2       2  
 G17     4 E     4 E     5 E     5 E     4 E     4 E     4 E
 G18     2       2       2       2       2       3       3  
 G19     7 E     6 E     4 E     6 E     6 E     5 E     6 E
 G20     2       1       2       3       3       2       1  
 G21     5       4       6       7       6       5       3  
 G22     2       2       2       2       2       2       2  
 G23     4       4       6       6       6       5       4  
 G24     6 E     7 E     6 E     6 E     6 E     6 E     4 E
 G25     3       3       2       2       2       2       3  
 G26     3       4       4       4       4       2       2  
 G27     4 E     4 E     5 E     5 E     4 E    10 E    13 E
 G28     3       3       4       4       3       2       3  
 G29     4 E     3 E     3 E     3 E     3 E     3 E     4 E
 G30     5 E     4 E     3 E     4 E     4 E     4 E     5 E
 G31     3 E     5 E     6 E     5 E     4 E     4 E     5 E
 G32     4       4       6       6       4       5       7  
 ------------------------------------------------------------
 R01     7       5      11      14      10       4       4  
 R02     7       6      10      11       9       7       6  
 R03     8       6       9      11      10       6       6  
 R04     8       5      10      12       9       7       6  
 R05     7      11      14      11       8       6       4  
 R06     9       6      11      11       6       6       7  
 R07     7       7       9      12      10       6       6  
 R08     6       8      12      12      10       6       4  
 R09     5       5       6       6       5       7       9  
 R10     6       5       7       8       6       4       4  
 R12     8       5      14      22      18       8       8  
 R13     5       6       8       8       7       6       6  
 R14     7       5       8      10       9       7       5  
 R15     5       5       6       6       6       6       7  
 R16     7       9       9       9       9       7       4  
 R17     5 E     7 E     7 E     4 E     4 E     5 E     5 E
 R18     5 E     5 E     5 E     7 E     8 E     6 E     5 E
 R19     4 E     5 E     6 E     7 E     6 E     4 E     5 E
 R20     7 E     8 E     7 E     8 E     9 E     8 E     9 E
 R21     5 E     5 E     7 E     8 E     7 E     5 E     5 E
 R22     5 E     6 E     9 E     7 E     3 E     5 E     6 E
 R23     6 E     5 E     4 E     6 E     5 E     4 E     4 E
 R24    12 E     8 E     7 E     4 E     8 E     7 E     5 E
 ------------------------------------------------------------
 E08    15      14      13      15      15      13      12  
 E09    12      13      19      16       9      11      13  
 E11    12      31 E    32 E    16 E    14 E    15 E    15 E
 E12    16      15 E    17 E    14 E    10 E    10 E    11 E
 E19    11      10      15      15      10       9       9  
 E22    11      17      19 E    14 E     8 E    10 E    12 E
 E24     8      18      20      11      10      12      10  
 E26    16      17      19 E    15 E    12 E    14 E    17 E
 E30    15      18      15      14      14      16      18  
 ------------------------------------------------------------
  MP     6       7       8       8       7       6       6  
  M2     4       4       5       5       4       4       4  
 -----------------------------------------------------------


REFERENCES CLOCKS (Gps Week  Day of week) 
----------------------------------------------------------------------
 1901    0         1         2         3         4         5         6 
      BRUX      BRUX      BRUX      BRUX      STR1      BRUX      BRUX 
 13101M010 13101M010 13101M010 13101M010 50119M002 13101M010 13101M010 

UNDIFFERENCED GPS AMBIGUITIES STATISTICS (Global = w/o unfixed stations)
------------------------------------------------------------------------
 1901    0         1         2         3         4         5         6 
    97.76%    97.19%    97.76%    97.05%    97.96%    97.75%    97.70%
                                                                       (unfixed stations) 


STATIONS STATISTICS (GNSS = GPS + GLONASS + GALILEO) (nb of used measurements)

     CODE     NUMS          24269 24270 24271 24272 24273 24274 24275
---------------------------------------------------------------------
GNSS adis  3150203           3045  2982  2890  2981  3181  3077  3133
GNSS alrt  4016250           1534  1521  1498  1525  1212     0  1220
GNSS areg  4220278           4058  4035  4013  3959  3873  3951  3866
GNSS artu  1236272           1390  1348  1414  1398  1399  1394  1388
GNSS bake  4015248           3548  4757  3599  3603  3562  3555  3570
GNSS barh  4992741           3099  3113     0     0     0     0     0
GNSS bjfs  2160107           2536  2510  3106  3097  3036  3068  3082
GNSS bogt  4190124           2767  2812  2630  2365  2777  2753  2733
GNSS brft  4160228           1200  1208  1176  1188  1180  1221  1184
GNSS brst  1000469           3264  3248  3260  3277  3224  3188  3231
GNSS brux  1310197           3341  3355  3337  3298  3220  3288  3194
GNSS cas1  6601193           3750  3741  3683  3711  3770  3751  3747
GNSS ccj2  2173275           2856  2834  2818  2400     0  1529  2398
GNSS chpg  4160989           3818  3816  3796  3827  3670  3659  3822
GNSS chti  5024206           3115  3132  3142  3113  3107  3145  3167
GNSS chum  2560125           1287  1293  1347  1267  1298  1326  1305
GNSS ckis  5021321           3110  3131  3123  3155  3151  3160  3192
GNSS coco  5012793           2701  2213  1586  1771  2800  2814  2783
GNSS coyq  4171527           1261   982     0     0     0     0     0
GNSS cpvg  3960120           3163  3240  5098  4977  3939  4036  3955
GNSS crao  1233794           1247  1223  1232  1257  1260  1238  1277
GNSS darw  5013443           2067  2088  2199  2142  2026  2089  2176
GNSS dav1  6601003           3530  3618  2643  2938  3613  3253  3186
GNSS dgar  3080284           1319  1367  1293  1327  1318  1329  1355
GNSS drag  2071022           3046  3036  2991  4220  3046  3070  3014
GNSS dubo  4013703           5684  5652  5654  5566  5626  5562  5606
GNSS faa1  9220153           3009  2998  3105  3090  2978  3005  3057
GNSS fair  4040898           1191  1241  1021   945  1247  1295  1254
GNSS ftna  9290244           3748  3045     0  3913  3713  3818  3838
GNSS gmsd  2174958           3796  3800  3932  3907  3828  3886  3889
GNSS gode  4045182           1182  1221  1228  1241  1255  1247  1251
GNSS gop7  1150245           3680  3289  2774  3467  3823  3844  3183
GNSS harb  3030271           1614  1580  1510  1586  1630  1508  1536
GNSS hnlc  4997035           1353  1319  1339  1385  1337  1300  1319
GNSS hofn  1020404           3286  3288  3213  3189  3314  3453  3596
GNSS holb  4013073           1415  1086     0  2779  3383  3383  3372
GNSS hrao  3030201              0  4950  4986  5010  4860  4998  5060
GNSS hrao  3030202           4766     0     0     0     0     0     0
GNSS hyde  2230781           3025  2889  2953  3086  2450     0     0
GNSS invk  4015038           1114  1194  1068  1047  1152  1030  1044
GNSS irkj  1231310           1981  1947  1859  1835  1821  1912  1936
GNSS ispa  4170396           1247  1239  1252  1262  1257  1257  1260
GNSS jog2  2310997           3462  3385  3432  3498  3529  3587  4862
GNSS karr  5013930           3143  3151  2710  2651  3072  3049  3058
GNSS kely  4300549           1308  1358  1384  1313  1350  1312  1338
GNSS kiru  1040359           3611  3605  3575  3573  3617  3569  3602
GNSS koug  9730124           3195  3228  4189  4134  4147  4071  4092
GNSS krgg  9120193           4091  2400   802  3260  4093  4070  3935
GNSS lhaz  2161327           2925  2961  2936  2925  2992  2997  3029
GNSS lmmf  9720592           2760  3887  3941  2729  2737  2090  3152
GNSS lpgs  4151032           2869  3011  3008  3004  2940  2953  2865
GNSS mac1  5013555           3231  3079  3086  2963  3183  3149  3133
GNSS maju  5150120           3180  2657  1914  1651  1135  2612  3195
GNSS mal2  3320188           2360  2936  3162  3209  3186  3137  2989
GNSS mas1  3130304           3196  3229  3221  3195  3117  3101  3119
GNSS mat1  1273414           1094  1099  1096  1077  1061  1087  1081
GNSS maui  4044572           1288  1292  1324  1301  1292  1279  1285
GNSS maw1  6600415           3705  3012  2634  2777  3238  3081  3042
GNSS mcm4  6600103           1463  1506  1507  1466  1499  1514  1500
GNSS metg  1050303           3694  4878  3828  4926  5061  4000  4785
GNSS mgue  4155801              0  3135  3162  3187  3135  3098  3133
GNSS mobs  5018216           3038  2955  2944  2983  3058  3052  3064
GNSS myva  1020524            832   846   841   780   838   854   846
GNSS nain  4016490           1121   847   727     0     0     0     0
GNSS nano  4013809           3264  3266  6782  3327  3275  3241  3313
GNSS nklg  3280992           3964  4011  3824  3856  3856  3730  3305
GNSS nlib  4046564            938   940   934   937   921   918   912
GNSS nnor  5018150           2755  2860  2876  2881  2869  2839  2039
GNSS not1  1271738           1097  1121  1089  1060  1103  1104  1133
GNSS nril  1236416           1506  1208     0     0     0     0     0
GNSS nrmd  9270100           4312  3160  4259  3302  3194  3224  3114
GNSS nvsk  1231950           2408     0  2854  2848  2347  2879  2828
GNSS nya2  1031709           4027  4077  4035  4045  4033  4061  4030
GNSS ohi3  6600802           3608  3624  3541  3506  3593  3590  3604
GNSS ons1  1040237           3364  3495  3509  3464  3482  3445  3291
GNSS ous2  5021250           3523  3491  3464  3460  3466  3443  3551
GNSS pado  1275041           3161  3160  3206  2387  2536  3146  3125
GNSS palm  6600598           1437  1458  1471  1400  1411  1428  1474
GNSS parc  4171635           1391  1406  1369  1105     0     0     0
GNSS pdel  3190681           3196  3220  3251  3295  3216  3209  3195
GNSS pie1  4045680           6124  6190  6090  6044  6136  6058  6118
GNSS pimo  2200324           2369  2367  2422  2438  2429  2457  2495
GNSS pohn  5160117           2139  2377  1873  1216     0     0  2435
GNSS pots  1410675            653   697   783   724   728   744   742
GNSS ptvl  5140262           3002  2981  2964  2994  3013  2994  3024
GNSS qiki  4016695           1352  1335  1378  1397  1387  1333  1261
GNSS rabt  3500198           1294  1299  1241  1313  1310  1292  1321
GNSS reun  9740140           2979  2927  2902  2983  3013  2958  2861
GNSS rgdg  4150769           4263  4256  4252  4306  4263  4178  4276
GNSS samo  5060311              0     0  3126     0     0     0     0
GNSS scor  4300634           1381  1422  1426  1394  1429  1437  1428
GNSS scrz  4180174           3756  3762  3744  3735  3696  3612  3664
GNSS seyg  3980126           3411  3975  3879  4017  5183  3984  4024
GNSS shao  2160590           1234  1275  1290  1334  1258  1278  1306
GNSS ssia  4140139           1408  1431  1436  1376  1405  1414  1422
GNSS stk2  2173190           2971  2978  2961  2980  2968  2983  2984
GNSS str1  5011945              0     0     0  2912  3041  3026  3024
GNSS suth  3031445           1325  1299  1320  1329  1342  1300  1328
GNSS suwn  2390377           2812  2773  2764  2796  2790  2815  2799
GNSS svtl  1235062           3471  3486  3307  3189  3429  3441  3481
GNSS syog  6600694           2535  2566  3069  3044  3138  3075  2666
GNSS tash  1232702              0     0     0     0  2562  3215  2478
GNSS tcms  2360493              0  1036  1281  1311  1310  1310  1308
GNSS tehn  2040402              0     0     0     0   877     0   898
GNSS tixi  1236037           3623  3543  3324  3511  3648  3607  3624
GNSS tlse  1000320           3916  3920  3229  3919  3924  3915  3876
GNSS tong  5090211           2531  2475  2416  2527  2576  2593  2593
GNSS tow2  5014054           2975  2977  2907  2945  2993  2927  2704
GNSS tro1  1030237           3627  3676  3647  3616  3795  3718  3722
GNSS tsk2  2173095           2999  3015  3019  3011  3018  3010  2998
GNSS tuva  5110123           3206  3183  3210  3186  3204  3229  3256
GNSS twtf  2360302           2812     0     0     0     0     0     0
GNSS ulab  2420147           3287  3399  3348  3387  3397  3381  3388
GNSS unb3  4014695              0     0  4048  3967  4004  4009  3959
GNSS urum  2161263           2644  2677  2620  2579  2722  2673  2736
GNSS vill  1340615           2920  2993  2994  2972  2922  2929  2940
GNSS voim  3330322           3515  3512  3468  3642  3634  3493  3511
GNSS wark  5024314           3106  3054  3043  3087  3094  3120  3097
GNSS wind  3110190           3485  3597  3591  3494  3411  3637  3668
GNSS wtzz  1420149           2765  3335  3335  3329  3304  3290  3296
GNSS wuh2  2160230           3106  2337     0     0     0     0     0
GNSS xmis  5018344           2876  2968  2860  2966  3005  2852  2869
GNSS yell  4012712           3526  3568  3017  3357  3544  3502  3512
GNSS zim2  1400125            706   702   722   687   709   776   769
GNSS sum of station:          116   116   113   114   113   111   114
---------------------------------------------------------------------


SATELLITES STATISTICS  (nb of used measurements )

PRN  NUMS        24269 24270 24271 24272 24273 24274 24275
---------- GPS     data ----------------------------------
G01 66601         4882  4878  4837  4907  4870  4678  4858
G02 66602         4902  4921  4733  4764  4780  4561  4754
G03 66603         4995  4975  4892  4926  4827  4671  4932
G05 66605         4906  4969  4843  4924  4763  4688  4849
G06 66606         4995  5026  4874  4886  4832  4637  4790
G07 66607         4956  4869  4776  4891  4748  4633  4704
G08 66608         4982  4965  4908  4938  4906  4704  4876
G09 66609         4926  4976  4816  4961  4830  4723  4843
G10 66610         5046  4871  4877  4861  4893  4675  4833
G11 66611         4872  4869  4791  4876  4867  4686  4941
G12 66612         4834  4770  4721  4641  4615  4508  4700
G13 66613         4962  4839  4940  4847  4764  4692  4818
G14 66614         4940  4790  4778  4782  4786  4581  4915
G15 66615         4914  4884  4893  4865  4730  4685  4800
G16 66616         4993  4847  4719  4720  4776  4575  4834
G17 66617         4934  4957  4683  4873  4739  4713  4729
G18 66618         4812  4659  4612  4534  4640  4482  4638
G19 66619         4804  4853  4573  4590  4627  4503  4623
G20 66620         5128  5041  4927  4924  4894  4717  4997
G21 66621         4855  4764  4590  4721  4714  4518  4755
G22 66622         5059  5049  4999  5136  5078  4858  5093
G23 66623         4872  4972  4829  4979  4933  4744  5039
G24 66624         4652  4582  4474  4449  4462  4334  4412
G25 66625         4733  4609  4558  4582  4525  4423  4694
G26 66626         4708  4668  4561  4603  4639  4514  4760
G27 66627         5267  5236  5062  5109  5206  4992  5042
G28 66628         4776  4774  4704  4786  4790  4622  4807
G29 66629         4733  4725  4456  4725  4588  4497  4696
G30 66630         5297  5337  5235  5204  5189  5146  5204
G31 66631         5156  5062  4927  4862  4886  4799  5072
G32 66632         5163  4996  4896  4985  4907  4783  5300
---------- GLONASS data ----------------------------------
R01 50001         6590  6303  6469  6504  6669  6562  6542
R02 50002         6557  6578  6649  6563  6658  6811  6654
R03 50003         6413  6287  6435  6526  6516  6550  6703
R04 50004         6455  6272  6173  6398  6583  6566  6591
R05 50005         6500  6344  5971  6260  6384  6424  6483
R06 50006         6584  6647  6376  6353  6316  6465  6580
R07 50007         6643  6551  6564  6376  6375  6516  6601
R08 50008         6751  6406  6362  6518  6460  6291  6499
R09 50009         6602  6344  6445  6597  6657  6662  6922
R10 50010         6815  6246  6222  6401  6545  6428  6557
R12 50012         5470  5141  5004  4927  4911  5146  5225
R13 50013         6226  6132  6121  6230  6181  6139  6224
R14 50014         5982  6073  6027  6138  6324  5995  6076
R15 50015         6556  6329  6218  6451  6655  6656  6573
R16 50016         5254  5068  5122  5463  5443  5478  5423
R17 50017         6374  6353  6390  6696  6752  6385  6288
R18 50018         6216  6227  6403  6601  6623  6675  6476
R19 50019         6318  6186  6140  6458  6664  6887  6673
R20 50020         6348  5939  5873  6000  6162  6574  6838
R21 50021         6738  6376  6065  6130  6448  6590  6678
R22 50022         6923  6670  6493  6295  6334  6511  6684
R23 50023         6556  6645  6415  6182  6224  6279  6198
R24 50024         4889  5083  5266  4997  4978  4970  5098
---------- GALILEO data ----------------------------------
E08 40008         2081  1920  2155  2384  2276  2304  2404
E09 40009         2071  2057  2003  2177  2419  2195  2186
E11 40011         1872  2044  1900  2055  2371  2254  2080
E12 40012         1829  2011  1950  1997  2271  2402  2184
E19 40019         1958  2018  2102  2147  2267  2327  2105
E22 40022         2109  1919  2005  2293  2376  2291  2213
E24 40024         2073  2021  1979  2254  2458  2429  2285
E26 40026         1988  1920  2098  2150  2160  2369  2361
E30 40030         2099  1815  2082  2221  2265  2403  2347
----------------------------------------------------------


global: TLSE BRST HOFN MYVA TRO1 NYA2 ONS1 KIRU METG GOP7   
global: IRKJ NVSK CRAO SVTL TIXI ARTU NRIL NOT1 MAT1 PADO   
global: BRUX VILL ZIM2 POTS WTZZ DRAG BJFS WUH2 SHAO URUM   
global: LHAZ TSK2 STK2 CCJ2 GMSD PIMO HYDE JOG2 TWTF SUWN   
global: ULAB CHUM HRAO HARB SUTH DGAR WIND MAS1 ADIS PDEL   
global: NKLG MAL2 VOIM RABT CPVG SEYG YELL HOLB DUBO NANO   
global: INVK BAKE ALRT NAIN QIKI FAIR MAUI GODE PIE1 NLIB   
global: SSIA RGDG LPGS BRFT CHPG ISPA COYQ PARC SCRZ BOGT   
global: AREG KELY SCOR BARH HNLC COCO DARW MAC1 KARR TOW2   
global: NNOR MOBS XMIS OUS2 CKIS CHTI WARK TONG TUVA PTVL   
global: MAJU POHN MCM4 MAW1 PALM SYOG OHI3 DAV1 CAS1 KRGG   
global: FAA1 NRMD FTNA LMMF KOUG REUN TCMS HRAO MGUE UNB3   
global: SAMO STR1 TASH TEHN                                 




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