Subject: [IGSREPORT-4213] Wk 0925 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Thu, 9 Oct 1997 4:13:47 PDT

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IGS Electronic Report    Thu Oct  9  4:13:47 PDT 1997      Message Number 4213
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0925 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0925 (Dates: 97 Sep 28 - 97 Oct 04)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09257.SUM         this text file                                            
 NGS09257.ERP         Earth rotation parameters for GPS Week 0925               
 NGS09257.SNX         weekly GPS coordinate solutions for GPS Wk 0925           
 NGS0925n.SP3         GPS ephemerides for GPS Week 0925, 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        
------------------------------------------------------------------------        
 271     460299         10.4       26          52               12              
 272     429814         10.7       26          48               12              
 273     452716         10.8       26          51               12              
 274     445913         10.7       26          53               11              
 275     501272         10.2       26          56               11              
 276     489890         10.4       26          55               12              
 277     460942         10.0       26          52               11              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        271      272      273      274      275      276      277           
----------------------------------------------------------------------          
  01      17683    17490    18488    17566    17872    17776    16845           
  02      14904    14055    14681    14105    12604    15072    14319           
  03      17745    16273    16512    18345    20060    18277    17182           
  04      18736    17627    19383    17698    23353    19700    19182           
  05      16714    15502    16955    14766    17802    16583    16872           
  06      17545    16321    18283    17175    17141    19754    17953           
  07      20366    17958    19404    16361    20504    17944    17515           
  09      18107    17155    16452    17730    19300E   23432E   21529E          
  10      38666    37550    37286    31880    36458    34582    34610           
  13      19378    15684    18230    21216    26762    24042    20666           
  14      33792    33118    33230    31976    37356    37180    37606           
  15      35470    33030    34882    38282    38408    38944    38894           
  16      36748    33490    33266    31748    38064    37898    38290           
  17      30190    28836    29300    26992    34144    30494    31162           
  18      38006    36276    32096    34134    34468    35626    31854           
  19      29188    27760E   46726E   47118E   51232E   50796E   45072E          
  21      39908    36092    35948    37018    37226    40290    38486           
  22      35368    31550    32940    33446    35944    34190    33726           
  23      40662    35426    39314    36800    39474    39722    36532           
  24      32884    34380    35812    36370    45206    39206    39370           
  25      36622    34286    36074E   46010E   50534E   45724E   43616E          
  26      37046    34980    37308    36764    33954    34578    33684           
  27      41750    40878    34992    31242E   52374E   51430E   44224E          
  29      40548    36776    39024    37468    38404    36216    30548           
  30      33798    31076    36040    31780    41202    37392    30754           
  31      36974    33678    32648    34090    34062    34394    29996           
----------------------------------------------------------------------          
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 DGAR DRAO FAIR   
global: FORT GOLD GUAM HARK HOB2 IISC IRKT KELY KERG KIT3 KOKB KOSG KOUR KSTU   
global: KWJ1 LHAS LPGS MAC1 MADR MALI MAS1 MATE MCM4 MDO1 METS NLIB NTUS ONSA   
global: RCM6 REYK SANT SHAO STJO TAEJ TAHI TAIW THU1 TIDB TSKB UPO1 WES2 WHIT   
global: WTZR WUHN YAR1 YELL ZWEN                                                
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    271      272      273      274      275      276      277    
----------------------------------------------------------------------------    
 ALGO*  1111111  10927    11187    11176    10595    11241    11256     9804    
 AREQ   2222222   2983     5421     4055     5378     5605     2957     3888    
 ASC1     22222                     5324     4885     4518     3863     4560    
 AUCK   1111111  10027    10479    10209    10748    10520    10765    10098    
 BAHR   121222    9970    11618    10222     9408    10444    10778             
 BRAZ   23 2233   6222     7648              7454     6913     5402     5100    
 BRMU     2                         2645                                        
 CAS1   32 6333   7965     7316              7176     8484     8645     7795    
 CHAT   1 11111   9537              9407     9741     9872     9778     8685    
 COCO     2222                      9011     9239     9241     9167             
 CRO1   1112111   8412     8662     8639     5523     7224     8292     6133    
 DGAR   1212221   4453     1261     1935     4296     4876     1115     1538    
 DRAO   1111111  11748    12149    11281    10767    11623    11933    12146    
 FAIR*  2114111   9050     9603    10066     6882    11229    12922     9378    
 FORT   2222222   8866     8379     5895     5624     5568     6628     6628    
 GOLD*  1111111  10664    10824    10901    10959     9517    10854    11941    
 GUAM   1222211   4614     3183     4316     4383     4544     7463     7048    
 HARK   111       4163     4003     3112                                        
 HOB2   1111111  10707    11091    10436    10503    10080     9314    12157    
 IISC   12 2222   8596     8260              3990     4422     8169     8392    
 IRKT   111 1 1   9522     9677     9559              8592              8589    
 KELY   32  122   8685     8760                       7045     9649     8992    
 KERG   1112111   9201     8894     8128     6823     8675     8382     6973    
 KIT3   111  11   7661     6828     6839                       7943     7602    
 KOKB*  2122222   6063     5079     6961     4229     7123     5581     3707    
 KOSG*  1111111  10878    11052    12485    12334    11158    12538    12257    
 KOUR   232       7998     8164     6432                                        
 KSTU   1  1111  10995                       7387     7114    10711    10470    
 KWJ1   2222222   3768     3137     4026     3446     4806     4280     2937    
 LHAS      2221                              5175     8315     7457     9945    
 LPGS       222                                      12253     4890     5330    
 MAC1   2115121  10840    10570    10192    10002     9629    10654     9864    
 MADR*  1111111  11195     7040    11880    10899    10797    10457    10890    
 MALI   2222222   5528     4544     6313     5762     6240     6175     5375    
 MAS1   2222222   9433    10707    10948     8959     9973     5086     6829    
 MATE*  1111111  11329    11485     9040     9167     9710     8966    12704    
 MCM4   3233333   9604     9395     9118     6473     7246     9282     8553    
 MDO1*  1111111  11713    12103    12094    12215    10756    11985    11938    
 METS     11111                    11160     8112     9290    11832    10359    
 NLIB   1111111  11738    12140    12130    12044    12136    12061    11751    
 NTUS   2222222   6730     4410     5126     7610     4656     5743     6203    
 ONSA   1111111  12179    13070    12638    12552    11790    12081    12520    
 RCM6   1111111  10597    11072    10824    10906    10876    10737     9382    
 REYK   2112111   8556    10536    10609     9942     9744    10904    10864    
 SANT*  221222    2408     6538     5342     6321     8349     6696             
 SHAO   1  12     6677                       8688    12177                      
 STJO   1111111   8917     9086     8389    10295     8654     9982    10022    
 TAEJ   1111111   6032     6131     5978     7686    11056    10113     9372    
 TAHI      2222                              3366     4958     3230     2069    
 TAIW      2222                              6952     8003     8750     8800    
 THU1   2223322  11458    11996    10171    10815    11910    12117    12711    
 TIDB*  111  11  11212     8994     9905                       4011     9756    
 TSKB   1111111   6514     6628     6831     6717    10624    10907    10678    
 UPO1   222222    8642     9320     9478     7970     8249     9012             
 WES2   1111111  12280    11652    12420    12172    11427    10862    11121    
 WHIT   2113111  11904    12503    12886     8758    12763    12713    12317    
 WTZR*  1111111  12629    13025    12887    12574    11166    12114    12988    
 WUHN   1112211   7445     7550     7409     8026    12036    12250    11272    
 YAR1   1 11111   6977              7533     7746     7567     8659     7715    
 YELL*  3223121  11540    12139     9608    10909    11830    11753    12722    
 ZWEN     111                      10016     9118     9562                      
----------------------------------------------------------------------------    
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*  50722.5     918129.5017  -4346071.2548   4561977.8259     3     4     4 
 AREQ   50722.5    1942826.7401  -5804070.2591  -1796893.9687    15    31    31 
 ASC1   50723.5    6118526.1246  -1572344.6648   -876451.1601    13    20    29 
 AUCK   50722.5   -5105681.0009    461564.1000  -3782181.6980    28    70    41 
 BAHR   50722.0    3633909.0345   4425275.5319   2799861.2889     7     4    22 
 BRAZ   50722.7    4115014.1067  -4550641.5238  -1741444.0626     5    32    12 
 BRMU   50721.5    2304703.6181  -4874817.1937   3395186.9234     0     0     0 
 CAS1   50722.7    -901776.1647   2409383.5147  -5816748.4874    85    42    27 
 CHAT   50722.8   -4590670.9197   -275482.9053  -4404596.7289    21    75    46 
 COCO   50723.0    -741950.0329   6190961.7049  -1337768.4941    53    19    45 
 CRO1   50722.5    2607771.1689  -5488076.7696   1932767.6963    13    14    16 
 DGAR   50722.5    1916269.7185   6029977.4041   -801720.1339    52    81    78 
 DRAO   50722.5   -2059164.6867  -3621108.4088   4814432.3793     2     2     7 
 FAIR*  50722.5   -2281621.4414  -1453595.8000   5756961.9075     3     3     3 
 FORT   50722.5    4985386.6445  -3954998.5606   -428426.4785     7    37    17 
 GOLD*  50722.5   -2353614.1748  -4641385.4011   3676976.4537     3     2     3 
 GUAM   50722.5   -5071312.8395   3568363.4964   1488904.3283    13    76    36 
 HARK   50720.5    5084625.3716   2670366.3060  -2768494.6094    73    27    16 
 HOB2   50722.5   -3950071.3648   2522415.2360  -4311638.2940    46    68    24 
 IISC   50722.7    1337936.8061   6070317.1844   1427876.5528    19    18    52 
 IRKT   50722.1    -968332.2006   3794425.4522   5018167.7728     6    18    21 
 KELY   50722.7    1575559.2633  -1941827.9368   5848076.4891     5    12     7 
 KERG   50722.5    1406337.3201   3918161.1753  -4816167.3516    81    22    30 
 KIT3   50722.3    1944945.3454   4556652.2434   4004325.9788    10    16    12 
 KOKB*  50722.5   -5543838.1138  -2054587.2310   2387809.7314     5     3     3 
 KOSG*  50722.5    3899225.2440    396731.8228   5015078.3466     3     2     2 
 KOUR   50720.5    3839591.4592  -5059567.5279    579956.9398     7    21    14 
 KSTU   50723.1    -174281.7305   3571333.0548   5264196.0784    18    16    15 
 KWJ1   50722.5   -6160880.9484   1339882.9846    960810.4659    22    62    59 
 LHAS   50724.0    -106937.6807   5549269.6429   3139215.7830    16    18    31 
 LPGS   50724.5    2780102.9679  -4437418.8732  -3629404.5880     9    25     5 
 MAC1   50722.5   -3464038.5068   1334172.8253  -5169224.2893    31    75    32 
 MADR*  50722.5    4849202.4570   -360329.0758   4114913.0674     5     5     2 
 MALI   50722.5    4865366.4841   4110737.5451   -331121.7174    20    62    49 
 MAS1   50722.5    5439192.2476  -1522055.6284   2953454.7095     9     9    24 
 MATE*  50722.5    4641949.7016   1393045.2986   4133287.3389     2     4     3 
 MCM4   50722.5   -1311703.2407    310815.1482  -6213255.1165    18    85    45 
 MDO1*  50722.5   -1329998.6705  -5328393.4021   3236504.1978     5     3     4 
 METS   50723.5    2892570.9271   1311843.3498   5512634.0650     7     5     7 
 NLIB   50722.5    -130934.4781  -4762291.7496   4226854.6692     4     5    11 
 NTUS   50722.5   -1508022.6929   6195576.7537    148799.4986    40    39    53 
 ONSA   50722.5    3370658.6677    711877.0386   5349786.8820     5     4     6 
 RCM6   50722.5     961334.7551  -5674074.1273   2740535.1406     6    10    11 
 REYK   50722.5    2587384.4869  -1043033.5055   5716563.9745     6     6     6 
 SANT*  50722.0    1769693.3667  -5044574.1405  -3468321.0413     3     2     3 
 SHAO   50721.8   -2831733.3030   4675666.0780   3275369.5511     5    40    24 
 STJO   50722.5    2612631.2303  -3426807.0331   4686757.8041     4     9     9 
 TAEJ   50722.5   -3120422.9455   4086355.4907   3761769.6342    17    24    23 
 TAHI   50724.0   -5246568.7284  -3076989.4605  -1913777.4616    22   110    84 
 TAIW   50724.0   -3024782.0130   4928936.8693   2681234.4701    20    32    35 
 THU1   50722.5     538981.4136  -1388714.8013   6181005.1242     3     8    12 
 TIDB*  50722.3   -4460996.1539   2682557.0906  -3674443.6632     3     3     4 
 TSKB   50722.5   -3957199.2328   3310199.6986   3737711.7067    17    28    43 
 UPO1   50722.0   -5464031.7600  -2446032.6180   2193283.0592     4     6    16 
 WES2   50722.5    1492233.3756  -4458089.4894   4296046.0113     4     6     7 
 WHIT   50722.5   -2218337.8226  -2201205.1229   5543057.5829     1     3     6 
 WTZR*  50722.5    4075580.6814    931853.6788   4801568.0482     3     2     2 
 WUHN   50722.5   -2267749.1837   5009154.3632   3221290.7674    17    29    32 
 YAR1   50722.8   -2389025.5502   5043316.9364  -3078530.6630    66    37    27 
 YELL*  50722.5   -1224452.5082  -2689216.1204   5633638.2760     6     3     2 
 ZWEN   50722.5    2886325.5448   2155998.4278   5245816.1570     8    10    14 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 271: 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 09    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : AREQ residual dE > 2*RMS =      62 mm                                     
    : DRAO residual dE > 2*RMS =       5 mm                                     
 272: 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 09    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : MATE residual dE > 2*RMS =       9 mm                                     
 273: 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 09    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site BRMU has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : GUAM residual dE > 2*RMS =     153 mm                                     
    : STJO residual dU > 2*RMS =      20 mm                                     
 274: constrained site TIDB 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 09    has < 2/3 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : YELL residual dU > 2*RMS =       4 mm                                     
 275: constrained site TIDB 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 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 09    has < 2/3 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : CAS1 residual dN > 2*RMS =     173 mm                                     
    : FAIR residual dN > 2*RMS =       6 mm                                     
    : IISC residual dN > 2*RMS =      40 mm                                     
    : KWJ1 residual dN > 2*RMS =      46 mm                                     
    : NTUS residual dU > 2*RMS =     108 mm                                     
    : YAR1 residual dU > 2*RMS =      57 mm                                     
 276: 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                                
    : site AREQ has < 1/2 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : site TIDB has < 1/2 as many obs as average                                
 277: 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                                
    : site AREQ has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site KOKB has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
--------------------------------------------------------------------------------

[Mailed From: bill kass <[email-masked]>]