Subject: [IGSREPORT-4472] Wk 0937 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Tue, 6 Jan 1998 12:36:57 PST

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IGS Electronic Report    Tue Jan  6 12:36:57 PST 1998      Message Number 4472
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0937 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0937 (Dates: 97 Dec 21 - 97 Dec 27)                
******************************************************************************* 
National Oceanic and Atmospheric Administration (NOAA)                          
National Geodetic Survey (NGS), SSMC-3, N/NGS2                                  
1315 East-West Highway                                                          
Silver Spring, MD, USA  20910                                                   
                                                                                
contacts: William Kass    301-713-3209 ext.164   [email-masked]      
          Paul Spofford   301-713-3205 ext.158   [email-masked]      
fax:                      301-713-4322                                          

PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS09377.SUM         this text file                                            
 NGS09377.ERP         Earth rotation parameters for GPS Week 0937               
 NGS09377.SNX         weekly GPS coordinate solutions for GPS Wk 0937           
 NGS0937n.SP3         GPS ephemerides for GPS Week 0937, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page4 developed at NOAA                                   
 Terr. Ref. Frame     nominally, ITRF94 at current epoch                        
 Observables          double-differenced carrier phase at 30-sec. intervals     
 Arc Length           24 hours                                                  
 Elevation Cutoff     15 degrees                                                
 Reference            file://igscb.jpl.nasa.gov/igscb/center/analysis/noaa.acn  
------------------------------------------------------------------------------  
                                                                                
STATISTICAL SUMMARY OF DAILY SOLUTIONS:                                         
------------------------------------------------------------------------        
          NUMBER      POST-FIT                                                  
 DOY   OBSERVATIONS   RMS (MM)   NO. SAT.   NO. SITES   NO. CONST. SITES        
------------------------------------------------------------------------        
 355     459602          9.6       26          53               12              
 356     422431         10.0       26          51               10              
 357     470008         10.0       26          55               11              
 358     490662         10.5       27          55               11              
 359     494946         11.0       27          55               11              
 360     473195         10.5       27          52               11              
 361     458947         10.2       27          50               11              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        355      356      357      358      359      360      361           
----------------------------------------------------------------------          
  01      16720    15515    17654    17720    17034    15934    15708           
  02      17868    15910    18981    18951    19338    18360    18061           
  03      14293    15071    16016    14816    15445    14697    13457           
  04      17602    15794    18533    18403    19113    17919    18659           
  05      17075    17119    17031    17553    17424    15891    15832           
  06      17307    16982    17129    18725    18668    18761    17339           
  07      14950    11514    13572    14769    16059    14196    14031           
  08      15158    15417    17376    18536    17297    17748    17024           
  09      33922    29310    32246    34616    37054    35660    35668           
  10      43780E   39538E   46030E   46016E   45710E   44702E   41598E          
  13       -999     -999     -999    27468    27920    26954    25264           
  14      44686E   40826E   47630E   47824E   47014E   46174E   41374E          
  15      27832    28118    29782    29588    29954    30030    28318           
  16      45090E   40696E   46408E   45784E   42894E   44666E   44430E          
  17      26344    22912    27380    28344    26738    24206    26120           
  18      35398    28594    33386    33938    36214    34842    34134           
  19      29118    33862    31750    34350    33374    33236    30194           
  21      42900E   41822E   45614E   46630E   47930E   42226E   41676E          
  22      36008    30198    32836    33506    35896    29826    30606           
  23      43756E   41392E   45490E   43406E   43084E   42596E   39298E          
  24      31664    26738    31638    33284    34360    30610    29802           
  25      35184    32434    37404    39326    38494    36980    35858           
  26      36666    34240    35672    32766    33158    32592    30942           
  27      32558    29138    32254    37362    37946    36254    35504           
  29      35288    31836    36470    31434    31940    31160    32282           
  30      40760    37060    38680    42844    42816    43042    40650           
  31      36304    29504    36762    33892    36640    33622    33954           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BRAZ BRMU CAS1 CHAT COCO CRO1 DAV1 DGAR DRAO   
global: EISL FAIR FORT GOLD HARK HOB2 IISC IRKT KELY KERG KIT3 KOKB KOSG KOUR   
global: KWJ1 LPGS MAC1 MADR MAS1 MATE MCM4 MDO1 METS MKEA NLIB NTUS OHIG ONSA   
global: RCM6 REYK SANT SHAO STJO TAEJ TAHI THU1 TIDB TSKB UPO1 WES2 WHIT WTZR   
global: WUHN YAR1 YELL ZWEN                                                     
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    355      356      357      358      359      360      361    
----------------------------------------------------------------------------    
 ALGO*  1111111  11202    11563    11101    11842    11915    11626    11746    
 AREQ   2222212   3656     2799     3546     3790     3339     2919     3946    
 ASC1   2111111   4077     4687     4890     5046     4971     5297     5390    
 AUCK    1                10769                                                 
 BAHR   1111221  10098     9081    10323     9823    10774    10018    10750    
 BRAZ   32222     3471     3494     5082     5533     5811                      
 BRMU   1111111  10846    11269    11142    11406    11489    11389    11134    
 CAS1   3 33333   6124              7506     8312     9247     8858     8671    
 CHAT   1111111   9150     9463     9185     9870     9749     9703     9805    
 COCO   2112221   9570     9769     9717    10490    10316    10116    10454    
 CRO1   1111111   8672     5549     6273     7142     7281     7861     8597    
 DAV1    223222            6174     8494     9281     9848    10291     9222    
 DGAR   1111111   4696     5543     4542     5208     4914     5180     5898    
 DRAO   1111111  11212    10961    11393    12334    12447    12820    12806    
 EISL   1211111   3019     1853     2787     3214     1900     3943     3071    
 FAIR*  1111111   8158     7079     7397     7606     6461     6498     6450    
 FORT    222222             217     4282     5851     6144     6051     4599    
 GOLD*  1111111  11788    11364    11641    11386    10311    11242    11118    
 HARK   111112    3322     2246     3017     3619     2857     3214             
 HOB2   1111111  10018    11141    10791    10517    11880    11106    11502    
 IISC   1111211   4631     4497     4667     4539     5202     5082     5234    
 IRKT    1111 0            3958     4066     3634     3685                      
 KELY   2222112   8989              9989     9983    10891    11498     9645    
 KERG   1111111   7982     8190     6811     7656     9140     7653     8249    
 KIT3   1111 11   7859     7671     8305     8661              8387     8549    
 KOKB*  1111111   9734     9413     8958     9291     9105    11282    11474    
 KOSG*  1 11111  12294             12384    11620    11887    11589    12224    
 KOUR   211  22    504      505      724                        291     1162    
 KWJ1   1111111   6963     6376     6399     6889     7092     6839     5793    
 LPGS   2222222  10336     3910     6175     6759     6132     6550     6922    
 MAC1   111211    9779    10825    10279     9721    11029    10873             
 MADR*  1111111  11608    10603    12067    12313    12244    11641    12443    
 MAS1   1111111   7784     7367    11378    12425    12374     9404    12658    
 MATE*  1111111  10172     7133     9554     9676    10351     9877     9998    
 MCM4   3334333   6509     7217     6626     6863     9738     7278     8988    
 MDO1*  1111111  11681    11786    11713    12109    12315    12604    12606    
 METS   1         6778                                                          
 MKEA   1122111  11058    11140    11215    14203     9764    11721    11480    
 NLIB   1111111  11984    12338    12104    12806    12835    12736    12759    
 NTUS   2112222   6570     7151     7040     7828     6840     7476     7980    
 OHIG     22222                     5406     6246     5225     5432     8763    
 ONSA   11111    12760     9092     8579    11475     8417                      
 RCM6   1   111  10750                               11889    11946    11487    
 REYK   1111111  10872    10480     9933    10189    10267    10211    10759    
 SANT*  1         1024                                                          
 SHAO     11111                     3814     4010     3694     3979     4035    
 STJO   1111111   7705     7574    10416    10655    10840    11098     8956    
 TAEJ   1111111   4962     4980     4875     4755     4784     4624     4699    
 TAHI   12112     4347     4890     4108     4392     3890                      
 THU1   2121121  13304    12653    12472    13010    13312    13357    12962    
 TIDB*  1111111   9847    10889    10414    12796     9139    10484     9260    
 TSKB   11 1111   6375     6510              6836     6660     6686     6611    
 UPO1   1121111  13995    12704    12107    11540    13114    12578    13336    
 WES2   1111111  13491    12646    13325    13793    13861    14053    13397    
 WHIT   1111111  13357    13240    13660    13724    13809    13806    13547    
 WTZR*  1111111  12802    11960    13230     9958     9710    12538    13267    
 WUHN   1111111   3300     3563     3134     3345     3611     3628     3706    
 YAR1   1112121   7464     7646     6795     7449     8266     8294     8447    
 YELL*  1112111  13322    12811    13161    13408    13618    13621    13416    
 ZWEN     111                      11437    12161    12100                      
----------------------------------------------------------------------------    
NOTES: * Indicates sites with constrained coordinates.                          
       $ Ion codes given for each day with data. Values are an index of         
         (nominally) mean ionospheric variability with lower values denoting    
         less variation. > signifies values exceeding 9.499. Some types of      
         instrumental problems cause increases in this index unrelated to       
         ionospheric effects.                                                   
                                                                                
STATION GEODETIC STATISTICS FOR WEEK:                                           
--------------------------------------------------------------------------------
        AVERAGE          AVERAGE GEOCENTRIC COORDINATES        RMS RESIDUAL (MM)
 SITE    EPOCH         X (M)          Y (M)          Z (M)        N     E     U 
--------------------------------------------------------------------------------
 ALGO*  50806.5     918129.4952  -4346071.2474   4561977.8165     3     3     3 
 AREQ   50806.5    1942826.7476  -5804070.2090  -1796893.9583    30    64    42 
 ASC1   50806.5    6118526.1039  -1572344.6375   -876451.1781    21    34    59 
 AUCK   50804.5   -5105681.0461    461564.0419  -3782181.7159     0     0     0 
 BAHR   50806.5    3633908.9986   4425275.4787   2799861.2780     8     7    19 
 BRAZ   50805.5    4115014.1351  -4550641.4675  -1741444.0415    44    38    54 
 BRMU   50806.5    2304703.5682  -4874817.1643   3395186.8808     3     5     9 
 CAS1   50806.8    -901776.1540   2409383.4452  -5816748.4418    17    16    14 
 CHAT   50806.5   -4590670.9514   -275482.9531  -4404596.7625     9    14    16 
 COCO   50806.5    -741950.0121   6190961.7800  -1337768.5299    15    15    17 
 CRO1   50806.5    2607771.1634  -5488076.7601   1932767.6806     4    10    23 
 DAV1   50807.0     486854.5572   2285099.3314  -5914955.7180    20    15    17 
 DGAR   50806.5    1916269.7830   6029977.3477   -801720.1179    16    25    37 
 DRAO   50806.5   -2059164.6861  -3621108.4120   4814432.3739     2     3     4 
 EISL   50806.5   -1884951.6807  -5357595.8133  -2892890.4832    35    62    58 
 FAIR*  50806.5   -2281621.4448  -1453595.8003   5756961.9019     1     3     2 
 FORT   50807.0    4985386.7583  -3954998.5338   -428426.4824    40   122   217 
 GOLD*  50806.5   -2353614.1789  -4641385.3994   3676976.4516     1     2     4 
 HARK   50806.0    5084625.3465   2670366.3736  -2768494.5630    56    54    54 
 HOB2   50806.5   -3950071.4088   2522415.2055  -4311638.3201     5     6    13 
 IISC   50806.5    1337936.7434   6070317.1418   1427876.5647    19    28    27 
 IRKT   50806.0    -968332.2438   3794425.4682   5018167.8145    18    26    46 
 KELY   50806.8    1575559.2790  -1941827.9408   5848076.5068     5     6     9 
 KERG   50806.5    1406337.3548   3918161.1968  -4816167.4427    13    19    16 
 KIT3   50806.3    1944945.3017   4556652.2042   4004325.9665     7     6    17 
 KOKB*  50806.5   -5543838.1135  -2054587.2115   2387809.7412     6     4     3 
 KOSG*  50806.8    3899225.2441    396731.8385   5015078.3436     3     2     2 
 KOUR   50806.3    3839591.5504  -5059567.4606    579956.9340    12   167   106 
 KWJ1   50806.5   -6160881.0259   1339883.0107    960810.5000     8    15    22 
 LPGS   50806.5    2780103.0098  -4437418.7897  -3629404.5751    27    64    35 
 MAC1   50806.0   -3464038.5444   1334172.7902  -5169224.3179     8    13    17 
 MADR*  50806.5    4849202.4474   -360329.0857   4114913.0967     3     4     3 
 MAS1   50806.5    5439192.2507  -1522055.5903   2953454.7005     5     7    13 
 MATE*  50806.5    4641949.6959   1393045.3042   4133287.3373     2     2     1 
 MCM4   50806.5   -1311703.2627    310815.0928  -6213255.1597    19    19    14 
 MDO1*  50806.5   -1329998.6728  -5328393.4054   3236504.1958     1     3     4 
 METS   50803.5    2892570.9160   1311843.3551   5512634.0585     0     0     0 
 MKEA   50806.5   -5464105.1008  -2495166.8533   2148290.9792     5     9    10 
 NLIB   50806.5    -130934.4831  -4762291.7536   4226854.6638     3     4     7 
 NTUS   50806.5   -1508022.6611   6195576.6978    148799.5229    21    17    36 
 OHIG   50807.5    1525872.5225  -2432481.2040  -5676146.0753     8    61    32 
 ONSA   50805.5    3370658.6671    711877.0479   5349786.8831     3     7    12 
 RCM6   50807.2     961334.7422  -5674074.1301   2740535.1309     1     4    10 
 REYK   50806.5    2587384.4976  -1043033.5055   5716563.9908     3     9     9 
 SANT*  50803.5    1769693.3717  -5044574.1443  -3468321.0418     0     0     0 
 SHAO   50807.5   -2831733.3400   4675666.0488   3275369.5261    19    37    39 
 STJO   50806.5    2612631.2223  -3426807.0147   4686757.7858     3     7     9 
 TAEJ   50806.5   -3120422.9942   4086355.4475   3761769.6269    13    21    41 
 TAHI   50805.5   -5246568.7780  -3076989.4233  -1913777.4771    10    10    21 
 THU1   50806.5     538981.4098  -1388714.8110   6181005.1616     3     5    10 
 TIDB*  50806.5   -4460996.1709   2682557.0845  -3674443.6402     5     3     3 
 TSKB   50806.7   -3957199.2836   3310199.6910   3737711.7291    10    16    32 
 UPO1   50806.5   -5464031.7962  -2446032.6075   2193283.0769     9     6    16 
 WES2   50806.5    1492233.3642  -4458089.4808   4296045.9956     5     8    12 
 WHIT   50806.5   -2218337.8191  -2201205.1237   5543057.5809     4     6     3 
 WTZR*  50806.5    4075580.6816    931853.6894   4801568.0470     1     2     4 
 WUHN   50806.5   -2267749.2049   5009154.3474   3221290.7673    23    59    42 
 YAR1   50806.5   -2389025.5605   5043316.9056  -3078530.6613    10     8    10 
 YELL*  50806.5   -1224452.5089  -2689216.1224   5633638.2698     1     2     1 
 ZWEN   50806.5    2886325.5363   2155998.4320   5245816.1727     4     3    10 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 355: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site BRAZ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : BRMU residual dU > 2*RMS =      19 mm                                     
 356: constrained site KOSG not in data set                                     
    : constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site BRAZ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site LPGS has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : AREQ residual dU > 2*RMS =      87 mm                                     
    : FORT residual dN > 2*RMS =      87 mm                                     
    : FORT residual dE > 2*RMS =     260 mm                                     
    : FORT residual dU > 2*RMS =     483 mm                                     
    : LPGS residual dU > 2*RMS =      78 mm                                     
 357: constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : WTZR residual dN > 2*RMS =       3 mm                                     
 358: constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : KOKB residual dU > 2*RMS =       7 mm                                     
 359: constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : ALGO residual dN > 2*RMS =       6 mm                                     
    : EISL residual dN > 2*RMS =      71 mm                                     
    : NLIB residual dN > 2*RMS =       6 mm                                     
    : REYK residual dE > 2*RMS =      20 mm                                     
    : STJO residual dE > 2*RMS =      15 mm                                     
    : TIDB residual dN > 2*RMS =      11 mm                                     
    : TSKB residual dU > 2*RMS =      66 mm                                     
    : UPO1 residual dE > 2*RMS =      13 mm                                     
    : WES2 residual dE > 2*RMS =      16 mm                                     
    : YAR1 residual dN > 2*RMS =      22 mm                                     
 360: constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : CAS1 residual dE > 2*RMS =      35 mm                                     
 361: constrained site SANT not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : ASC1 residual dU > 2*RMS =     135 mm                                     
--------------------------------------------------------------------------------

[Mailed From: bob dulaney <[email-masked]>]