[IGSREPORT-24111] Wk 1874 GRG Analysis report

igs-ac at cls.fr igs-ac at cls.fr
Mon Dec 21 06:19:52 PST 2015


CNES CLS GPS WEEK 1874 (DAYS: 340 - 346 , JUL50: 24080 - 24086 ) 
----------------------------------------------------------------

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 : CR4MGX

 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):
-------------------------------------------------------------------------
grm18747.erp.Z      GNSS daily earth rotation parameters, IGS format
grm1874?.snx.Z      GNSS daily coordinates/erp solution   
grm1874?.sp3.Z      15' daily orbits, sp3c format , GNSS (GPS/GLO/GAL)
grm1874?.clk.Z      30 sec. GNSS daily clocks, RINEX     (GPS/GLO/GAL)    
--------------------------------------------------------------------------
FILES SENT TO IGS ARCHIVES (IGS finals):
-------------------------------------------------------------------------
grg18747.sum.Z      This text file 
grg18747.erp.Z      GNSS daily earth rotation parameters, IGS format
grg1874?.snx.Z      GNSS daily coordinates/erp solution   
grg1874?.sp3.Z      15' daily orbits, sp3c format , GNSS (GPS/GLO) 
grg1874?.clk.Z      30 sec. GNSS daily clocks, RINEX     (GPS/GLO)
--------------------------------------------------------------------------
      

ERP RESULTS

version 2
CNES CLS GRGS ERP VALUES WEEK 1874 
________________________________________________________________________________________________________
  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"   
57362.50  104327  252835  1234160   16096     52     52     0    17 117  0  0 -1385    -3    15    14      0      0
57363.50  102949  252447  1217530   16251     53     53     0    17 116  0  0 -1185  -299    15    14      0      0
57364.50  101722  251855  1200630   15961     54     54     0    18 116  0  0 -1281  -372    15    14      0      0
57365.50  100207  251410  1184180   15502     53     53     0    17 110  0  0 -2117  -281    15    14      0      0
57366.50   97830  251001  1168570   14650     55     55     0    16 116  0  0 -2827  -154    16    15      0      0
57367.50   95167  250632  1154890   14025     57     58     0    18 115  0  0 -2613   -93    18    17      0      0
57368.50   92752  250484  1139210   13595     54     54     0    15 119  0  0 -2487   286    15    14      0      0


ORBIT REPEATABILITY  (cm)

DAY1 (6h+24h+6h) |---|------------|---|
DAY2 (6h+24h+6h)              |---|------------|---|
    12h overlap:               xxx|xxx  
 
 -----------------------------------------------------------
  PRN  24080   24081   24082   24083   24084   24085   24086
 -----------------------------------------------------------
 G01     2       2       2       2       3       3       3  
 G02     2       2       2       2       2       2       2  
 G03     2       2       2       2       2       3       4  
 G05     1       1       1       1       2       3       3  
 G06     1       1       1       2       2       2       2  
 G07     2       3       3       3       2       2       2  
 G08    11 E    17 E    19 E    15 E    12 E    10 E     0  
 G09     3       2       3       3       3       4       4  
 G10     0       0       0       0       8      11      11  
 G11     1       2       1       1       2       3       3  
 G12     3       2       3       3       3       4       5  
 G13     6       5       4       3       3       4       4  
 G14     2       2       2       3       4       4       4  
 G15     2       3       2       2       3       4       3  
 G16     3       3       4       4       4       4       4  
 G17     3 E     4 E     4 E     3 E     3 E     4 E     5 E
 G18     2       2       1       2       4       4       4  
 G19     3 E     3 E     3 E     4 E     4 E     4 E     4 E
 G20     1       1       1       1       2       3       3  
 G21     1       2       2       2       2       3       3  
 G22     2       2       2       2       0       0       0  
 G23     4       4       4       4       4       5       6  
 G24     2       2       2       3       3       3       4  
 G25     3       3       2       3       3       4       5  
 G26     2       2       2       2       3       4       3  
 G27     3 E     3 E     3 E     3 E     3 E     4 E     6 E
 G28     2       2       2       2       2       3       3  
 G29     4 E     4 E     3 E     4 E     4 E     5 E     7 E
 G30     2       2       3       2       3       3       1  
 G31     3       4       4       4       4       4       4  
 G32     4       5       6       6       4       4       4  
 ------------------------------------------------------------
 R01     5       4       6       6       5      17      24  
 R02     7       6       2       5      12      11       3  
 R03     3       3       3       4       4       5       7  
 R04     2       3       5       5       4       6       7  
 R05     6       6       5       6       6       6       4  
 R06     3       4       3       4       6       7       7  
 R07     4       3       4       6       6       5       6  
 R08     4       5       5       6       5       4       4  
 R09     4       3       9      11       7       8      10  
 R10     3       4       5       6       6       4       4  
 R11     6       8       8       8      10       9       6  
 R12     8       5       5       3      10      11       8  
 R13     5       3       3       3       5       5       5  
 R14     4       5       5       5       5       6       6  
 R15     3       4       4       5       5       3       3  
 R16     5       4       5       7       6       6       7  
 R18     6       5       7       9       7 E     4 E     3 E
 R19     4       4       7       9       8       7 E     9 E
 R20     6       8       8      11      13      12 E    12 E
 R21     4       4       5       8       8 E     8 E     9 E
 R22     4       7       9       8       6 E    10 E    12 E
 R23    11       5       6       6       5       6 E     7 E
 R24     9       8       8       9       8      12 E    16 E
 ------------------------------------------------------------
 E11    13      12      21      21      10       0       0  
 E12    12      13      14       8       3       0       0  
 E14     2 E     0       4 E    13 E    12 E     0       0  
 E19    14      16      20      14       6       0       0  
 E22     6      14      14       8       7       0       0  
 E24    10      10      10       9       4       0       0  
 E26    10       9      13      14       6       0       0  
 E30     8      10      11       6       2       0       0  
 ------------------------------------------------------------
  MP     4       5       5       5       5       6       6  
  M2     3       3       3       3       3       4       4  
 -----------------------------------------------------------


REFERENCES CLOCKS (Gps Week  Day of week) 
----------------------------------------------------------------------
 1874    0         1         2         3         4         5         6 
      BRUX      OHI3      BRUX      BRUX      BRUX      NNOR      BRUX 
 13101M010 66008M006 13101M010 13101M010 13101M010 50181M001 13101M010 

UNDIFFERENCED GPS AMBIGUITIES STATISTICS (Global)
----------------------------------------------------------------------
 1874    0         1         2         3         4         5         6 
    98.18%    97.67%    97.95%    97.91%    97.52%    97.69%    97.63%


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

     CODE     NUMS          24080 24081 24082 24083 24084 24085 24086
--------------------------------------------------------------------
GNSS abmf  9710319              0     0     0  3281     0  3110  2692
GNSS adis  3150204           2916  3066  3139  2851  2999  2408  3019
GNSS aira  2174210              0     0     0     0     0  2399     0
GNSS alrt  4016203           1291  1481  1497  1470  1482  1198  1449
GNSS areg  4220233           3836  3726  3846  3895  3831  3227  3772
GNSS artu  1236203           1286  1298  1300  1298  1307  1021  1260
GNSS bake  4015207           3307  3314  3427  3472  4635  2848  3503
GNSS bjfs  2160106           3093  2509     0     0     0     0  3015
GNSS bogt  4190119           2728  2611  2555  2552  2694  2301  2733
GNSS brst  1000422           3149  3816  3871  3817  3935  3247  3939
GNSS brux  1310163           3995  3916  3953  2948  3951  3166  4005
GNSS cas1  6601115           3939  3849  3976  3978  3898  3640  3938
GNSS ccj2  2173233           2836     0  2778  3500  3485  2903  3528
GNSS cebr  1340806              0     0     0  2746     0     0     0
GNSS chof  2178807           3625  3218  3133  3084  3004  2697  3225
GNSS chpg  4160923           3463  3586  4713  3643  3685  2998  3722
GNSS chti  5024204           3093  3109  3113  3164  3128  2548  3108
GNSS chum  2560110           1307  1305  1281  1250  1309  1025  1273
GNSS ckis  5021307           3336  3343  3550  3671  3638  3106  3619
GNSS coco  5012715           2685  2712  2843  2804  2792  2093  2449
GNSS darw  5013421           2034  1937  1988  1956  1948  1480  1862
GNSS dav1  6601019           3246  2985  3269  3325  2885  1989  3193
GNSS dgar  3080212           1313  1317  1312  1249  1305  1060  1291
GNSS djig  3990105           3960  3949  4036  3184     0  2707  4022
GNSS drag  2071011              0     0     0  1674  3113  2536  3119
GNSS dubo  4013720           5752  5550  5686  5768  5576  4954  6072
GNSS dum1  9150103           1242  1243  1021     0     0     0     0
GNSS dyng  1260211           3854  3817  3867  3749  3793  3225  3860
GNSS fair  4040822           1096  1193  1203  1172  1191   947  1184
GNSS ftna  9290205           3636  3488  3578  3689  3689  2896  3710
GNSS glps  4200517           2840  2996  2311     0     0     0     0
GNSS glsv  1235608           3354  3372  3338  3298  3335  2717  3248
GNSS gmsd  2174906           3878  3829  3833  3828  3183     0  3853
GNSS gode  4045113           1176  1206  1214  1215  1183   969  1211
GNSS hofn  1020419           3399  3557  3573  3396  3417  2817  3558
GNSS holb  4013034           3346  3337  3323  3376  3395  2778  3367
GNSS hrag  3030271           1866  3572  3776  3608  2590  2024  1328
GNSS hrao  3030231              0     0     0     0     0     0  5764
GNSS hyde  2230710           2960  2998  2961  2860  2803  2230  2883
GNSS invk  4015005            853   884   976   997   868   692  1581
GNSS irkj  1231307           1726  1689  1677  1699  1716  1424  1821
GNSS ispa  4170323           1160  1201  1194  1200  1172   924  1180
GNSS jplm  4040037           1237  1256  1240  1278  1244  1006  1198
GNSS karr  5013919           3419  3438  3461  3393  3401  3170  3399
GNSS kely  4300513           1209  1219  1275  1267  1185   989  1262
GNSS kiru  1040314           4349  4227  3956  3807  4240  3554  4375
GNSS koug  9730155           3432  3412  3288  3425  3467  2996  3350
GNSS krgg  9120133           3564  3540  3438     0  3467  3233  3470
GNSS kzn2  1237403           3794  3066  3270  3270  3419  2709  3083
GNSS lhaz  2161323           2490  2508  2454  2460  2274  1910  2495
GNSS lmmf  9720514           3799  3726  3157     0  2264     0     0
GNSS lpgs  4151012           2958  2823  2926  3064  2935  2445  2963
GNSS mac1  5013512           2625  2685  2666  2433  2567  1887  2408
GNSS maju  5150114           3118  3086  3028  3189  3098  2518  3106
GNSS mal2  3320117           3741  3531  3760  3927  3936  3110  3976
GNSS mana  4120105           1253     0     0     0     0     0     0
GNSS mao0  4044501           3430  3168  3055  2958  2674  2522  3053
GNSS mar7  1040542              0     0     0  3360     0     0     0
GNSS mas1  3130313           3650  3544  3596  3482  3670  2991  3621
GNSS matg  1273451           2680  2245  2621  2221   647     0  1773
GNSS maui  4044516           1281  1300  1291  1288  1271  1043  1253
GNSS maw1  6600411           2757  2510  3063  3070  2952  2420  3022
GNSS mayg  9010103              0  2476     0  3072     0  2602  3905
GNSS mcil  2178911            985  1265  1289  1285  1277  1055  1291
GNSS mcm4  6600110           1342  1353  1377  1385  1373  1065  1331
GNSS metg  1050301           4506  3830     0     0  4821  3206  3820
GNSS mgue  4155805           3751  3653  3521  3556  3754  3119  3812
GNSS mobs  5018206           3020  3050  3027  3035  3004  2489  3004
GNSS nain  4016403           1216  1210  1174  1172  1239   971  1217
GNSS nico  1430223           3811  3774  3729     0     0     0     0
GNSS nklg  3280909           3976  3924  3982  3967  3778  3103  3888
GNSS nlib  4046515              0     0   761   924   903   725   917
GNSS nnor  5018106           3501  3449  3212  3103  3430  2804  3480
GNSS not1  1271703           1114  1140  1123  1053  1086   902  1141
GNSS nril  1236404           1338  1408  1502  1442  1354  1076  1395
GNSS nrmd  9270120           2907  3128  3086  3066  2982  2421  3019
GNSS nvsk  1231903            803     0   935   981   778     0   933
GNSS nya2  1031794           3973  3931  3974  3936  4174  3521  3942
GNSS ohi2  6600815              0     0     0  4018     0     0     0
GNSS ohi3  6600840           4284  4145  4215     0  4181  3522  4323
GNSS ons1  1040254           4066  4101  3336     0  3364     0     0
GNSS ous2  5021212           3294  3228  3286  2746  3417  2795  3334
GNSS pado  1275011           3877  3723  3726  3734  3789  3112  3726
GNSS palm  6600503           1226  1299  1315  1283  1293  1048  1337
GNSS parc  4171611           1335  1341  1299  1327  1330  1030  1284
GNSS pdel  3190611           3028  3007  3039  2989  3012  2525  3091
GNSS pen2  1120621           3670  3688  3557  3496  3664  3249  3604
GNSS pimo  2200312           2439  2431  2448  2444  2384  1994  2347
GNSS pohn  5160117           3222  3264  3263  3311  3247  2723  3133
GNSS pots  1410613              0     0     0     0     0  3073  3751
GNSS ptvl  5140203           2900  2882  2738  2836  3226  2698  3195
GNSS qiki  4016603           1235  1267  1085     0   977  1010  1353
GNSS rabt  3500105           1188  1200  1183  1183  1230   978  1212
GNSS reun  9740111           3414  3303  3367     0  3451  2863  2867
GNSS reyk  1020222              0   589     0     0   625     0     0
GNSS rgdg  4150730           4153  3995  4151  4187  4082  3411  4139
GNSS scor  4300605           1386  1077  1379  1339  1282  1030  1268
GNSS scrz  4180105           3236  3237  3254  3181  3225  3046  3257
GNSS seyg  3980133           3880  3823  3876  3765  3851  3100  3855
GNSS sgoc  2350103           2525  2662  2728  2519  2496  2445  2532
GNSS sin1  2260141              0  2187  3328  3510  3426  2834  3382
GNSS ssia  4140108              0   868  1327  1332  1316  1068  1373
GNSS stfu  4943003           3391  3162  3067  3169  3118  2425  3117
GNSS stk2  2173116           3022     0  2834  3657  3661  2991  3664
GNSS str1  5011925           2702     0  2711  2688     0     0     0
GNSS suth  3031410           1231  1239  1259  1232  1225  1011  1258
GNSS suwn  2390309           2912  2918  2943  2925  2901  2402  2853
GNSS svtl  1235013           3465  3506  3437  3404  3453  2843  3425
GNSS syog  6600611           2845  3597  3583  3597  3537  2839  3599
GNSS tash  1232709           3418  3300  3359  3098  3292  2786  3303
GNSS tehn  2040405           1034     0     0     0     0     0     0
GNSS thtg  9220125           3671  3656  3686  3624  3596  3205  3482
GNSS tixi  1236009           3436  3283  3449  3486  3545  3672  3485
GNSS tlse  1000320           2753  3159  3449     0  3820  3073  3835
GNSS tong  5090207           2645  2686  2761  2836  2902  2410  2907
GNSS tow2  5014016              0     0     0     0  3025  3004  2949
GNSS tro1  1030227           3617  3583  3483  3611  3396  2748  3587
GNSS tuva  5110106           3101  4249  3097  3078  3100  2594  3081
GNSS twtf  2360303           2908  2922  2973  2735  2801  2921  2376
GNSS ucal  4910603           3517  3342  3323  3333  3231  2737  3323
GNSS ulab  2420107           3382  3363  3479  3387  3520  2882  3259
GNSS unb3  4014628           3769  3740  3806  3822  3863  3224  3883
GNSS unx3  5019012              0  1905     0     0  3157  2625  3153
GNSS urum  2161208           2644  2623  2622  2644  2660  2117  2580
GNSS vill  1340616           3625  3472  3313     0  3623  3010  3611
GNSS voim  3330303           3320  3279  3216     0  3287  2764  3339
GNSS wark  5024305           2986  3011  3007  3039  3038  2456  2975
GNSS wind  3110108           3395  3440  3442  3416  3367  2836  3506
GNSS wtzz  1420160           2993  3295  3276  3252  3314  2699  3277
GNSS wuh2  2160264           3169  3217  3174  3187  3161  2606  3290
GNSS xmis  5018311           3462  3508  3468  3474  3396  3177  3449
GNSS yell  4012732           3428  3462  3436  3503  3416  2812  3429
GNSS sum of station:          117   116   116   110   116   115   119
--------------------------------------------------------------------


SATELLITES STATISTICS  (nb of used measurements )

PRN  NUMS        24080 24081 24082 24083 24084 24085 24086
---------- GPS     data ----------------------------------
G01 66601         4902  4720  4689  3930  4787  4458  4822
G02 66602         5051  5112  5209  4853  5012  4441  5368
G03 66603         4629  4616  4517  4416  4643  4125  4704
G05 66605         5106  5145  5267  4914  4962  4383  5340
G06 66606         5033  4974  5075  4747  4989  4456  5294
G07 66607         5135  5096  5137  4839  5108  4454  5248
G08 66608         4858  4875  4736  4630  4889  4558     0
G09 66609         4690  4782  4763  4513  4643  4232  4931
G10 77710            0     0     0     0  4731  4644  4897
G11 66611         4624  4504  4348  4240  4489  4179  4511
G12 66612         4970  5053  5138  4840  5022  4473  5251
G13 66613         5130  5414  4931  4298  4365  4085  4730
G14 66614         4721  4862  4720  4423  4637  4479  4776
G15 66615         4964  5203  5135  4832  4969  4664  5276
G16 66616         4920  4940  4815  4669  4892  4285  4984
G17 66617         5323  5297  5364  5145  5371  4873  5392
G18 66618         4851  5070  4916  4609  4886  4518  5156
G19 66619         5305  5214  5158  4949  5139  4914  5301
G20 66620         5365  5415  5473  5098  5291  4753  5404
G21 66621         4754  4795  4920  4487  4589  4347  4935
G22 66622         4519  4599  4506  4348     0     0  4716
G23 66623         4637  4656  4591  4348  4627  4174  4804
G24 66624         4974  5036  4996  4682  4914  4628  5110
G25 66625         4865  4914  4917  4630  4788  4289  5001
G26 66626         4713  4815  4678  4431  4687  4248  4982
G27 66627         5125  5095  5036  4776  5093  4606  5145
G28 66628         5066  5073  5036  4769  5053  4589  5134
G29 66629         5470  5507  5644  5242  5281  4594  5731
G30 66630         5143  5136  5178  4952  5166  4669  5344
G31 66631         5076  5059  5047  4798  4872  4530  5164
G32 77732         4569  4559  4445  4303  4557  4202  4658
---------- GLONASS data ----------------------------------
R01 50001         6255  6961  7212  6397  6312  6007  6509
R02 50002         6378  6367  6892  6729  6657  6026  6801
R03 50003         6345  6044  6305  6610  7092  6361  6823
R04 50004         6657  6238  6054  5912  6751  6752  7387
R05 50005         6402  6295  5987  5520  6175  6546  7430
R06 50006         6847  6403  6180  5938  6022  6082  7269
R07 50007         7223  6752  6531  6137  6268  6145  6901
R08 50008         6973  7138  6895  6182  6423  6255  6556
R09 50009         6223  5946  5734  5603  5721  5265  6069
R10 50010         7125  7258  7031  6560  6742  6366  6785
R11 50011         6440  6949  6967  6290  6545  6073  6844
R12 50012         6481  6376  6863  6650  6851  6360  6954
R13 50013         6818  6416  6520  6455  6900  6362  7097
R14 50014         6820  6622  6363  5914  6628  6668  7263
R15 50015         7024  7040  6752  6094  6510  6670  7646
R16 50016         7037  6856  6627  6355  6381  6240  7329
R18 50018         6861  6490  6447  6323  6567  6165  7319
R19 50019         7128  6843  6411  6284  6658  6239  7190
R20 50020         6866  6785  6387  5986  6454  6101  6699
R21 50021         6804  6887  6976  6366  6492  6259  7137
R22 50022         6875  6753  7025  6737  6781  6452  7005
R23 50023         6760  6597  6823  6643  7065  6623  6866
R24 50024         6427  6352  6449  6155  6660  6422  6723
---------- GALILEO data ----------------------------------
E11 40011         4260  4642  4382  3551  4399     0  4338
E12 40012         4139  4446  4266  3758  4515     0  4375
E14 40014         3303     0  3477  2861  3271     0  3864
E19 40019         4119  4271  4243  3846  4250     0  4436
E22 40022         4058  3801  3706  3466  4202     0  4211
E24 40024         3292  3376  3586  2851  3490     0  3784
E26 40026         3702  3860  3971  3458  3962     0  4504
E30 40030         3674  3788  3454  2591  3676     0  3393
----------------------------------------------------------


global: TLSE BRST HOFN TRO1 NYA2 ONS1 KIRU METG PEN2 IRKJ   
global: NVSK TASH SVTL GLSV TIXI ARTU NRIL KZN2 DYNG NOT1   
global: MATG PADO BRUX VILL WTZZ NICO TEHN BJFS WUH2 URUM   
global: LHAZ STK2 CCJ2 GMSD CHOF MCIL PIMO HYDE SGOC TWTF   
global: SUWN ULAB CHUM HRAG SUTH DGAR WIND MAS1 ADIS PDEL   
global: NKLG MAL2 VOIM RABT SEYG DJIG YELL HOLB DUBO UNB3   
global: INVK BAKE ALRT NAIN QIKI JPLM FAIR MAO0 MAUI GODE   
global: MANA RGDG LPGS MGUE CHPG ISPA PARC SCRZ BOGT GLPS   
global: AREG KELY SCOR UCAL STFU STR1 COCO DARW MAC1 KARR   
global: NNOR MOBS XMIS OUS2 CKIS CHTI WARK TONG TUVA PTVL   
global: MAJU POHN MCM4 MAW1 PALM SYOG OHI3 DAV1 CAS1 KRGG   
global: DUM1 THTG NRMD FTNA LMMF KOUG REUN REYK SIN1 SSIA   
global: UNX3 MAYG NLIB MAR7 CEBR DRAG OHI2 ABMF TOW2 POTS   
global: AIRA HRAO                                           




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