Subject: [IGSREPORT-3715] Wk 0903 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Wed, 7 May 1997 4:41:30 PDT

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IGS Electronic Report    Wed May  7  4:41:30 PDT 1997      Message Number 3715
******************************************************************************

Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0903 NOAA NGS Analysis Report

******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 0903 (Dates: 97 Apr 27 - 97 May 03)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09037.SUM         this text file                                            
 NGS09037.ERP         Earth rotation parameters for GPS Week 0903               
 NGS0903n.SNX         daily GPS coordinate solutions for GPS Wk 0903 (n=0..6)   
 NGS0903n.SP3         GPS ephemerides for GPS Week 0903, 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        
------------------------------------------------------------------------        
 117     434507          9.7       25          50               13              
 118     480884         10.7       25          51               13              
 119     468160         10.6       25          49               13              
 120     428033         10.6       25          48               12              
 121     402313         10.5       25          48               13              
 122     421948         10.9       25          47               14              
 123     419923         10.9       25          47               13              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        117      118      119      120      121      122      123           
----------------------------------------------------------------------          
  01      13361    15994    15681    15273    14366    18279    17661           
  02      16909    17490    18815    15321    14257    16173    15791           
  03      18478    20007    19998    17772    16012    16434    16338           
  04      23423E   24806E   24520E   22116E   20890E   22912E   21909E          
  05      16285    18265    17664    14896    15587    15368    15522           
  06      13550    15397    15787    12401    13551    12391    13195           
  07      10473    11287    11438    10713     9867    10203    10484           
  09      21589E   23706E   22820E   21465E   20008E   21050E   20514E          
  10      31672    35242    34182    28446    25832    30794    32352           
  14      34404    38976    39284    34596    34038    34266    32732           
  15      41166E   45912E   43902E   43344E   37512E   38886E   39134E          
  16      33664    38204    35360    30492    29470    32320    32440           
  17      43908E   47018E   45704E   41438E   40708E   38616E   40372E          
  18      29074    32482    30980    26742    24872    35598    32596           
  19      39976E   44088E   43686E   42074E   37682E   25378E   32364           
  21      33898    40506    37178    33644    32414    33722    32722           
  22      30944    33758    31134    28898    25670    36744    33284           
  23      32734    35698    33994    33076    33620    30554    31962           
  24      43398E   48404E   50122E   44346E   41934E   43296E   43760E          
  25      42536E   50018E   49454E   44960E   43496E   32728E   35076           
  26      28234    29660    28538    26430    24114    20604    23648           
  27      44384E   48540E   48514E   42632E   38990E   42906E   35330E          
  29      30584    35704    33888    33266    33906    34720    33544           
  30      33740    37488    33488    34992    28834    34576    35234           
  31      26562    26166    23466    26776    22458    32568    30468           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO ASC1 AUCK BOGT BRAZ BRMU CAS1 CHAT CRO1 DAV1 DGAR DRAO FAIR FORT   
global: GOLD GUAM HART IISC IRKT KELY KERG KOKB KOSG KWJ1 LHAS MAC1 MADR MALI   
global: MAS1 MATE MCM4 MDO1 MDVO METS NLIB NYAL OHIG ONSA RCM6 REYK SANT SHAO   
global: STJO TAEJ TAIW TIDB TSKB UPO1 WES2 WHIT WTZR WUHN YAR1 YELL             
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    117      118      119      120      121      122      123    
----------------------------------------------------------------------------    
 ALGO*  111111   11293    11263    11983    11574    10454    11034             
 ASC1   111121    7218     6532     6757     7149     5803     7076             
 AUCK   1111111  10519    10625    10431    10644    10455    10353    10667    
 BOGT   2122212   3076     2307     3651     4593     6380     5288     5066    
 BRAZ   111   1   7571     8595     7494                                8491    
 BRMU   1111111  10767    10965    11163    10557    10646    10886    10828    
 CAS1   12222 2   6931     8204     8677     6440     2694              8419    
 CHAT   1111111   9436     9331     9213     9395     8802     8804     9083    
 CRO1   1111111   7618     7077     6858     8378     8451     7040     8457    
 DAV1   1212332  10422     9108     7301     8568     2727     6397     8988    
 DGAR   11 11     1627     4836              3149     4987                      
 DRAO   1111111  12386    11452    11382    11384    10207    12140    10321    
 FAIR*  1111211   9039     9169    12527     9217    12539    10104     8797    
 FORT   1111111   7363     6933     7008     6465     6171     5962     8647    
 GOLD*  1111111  10841    11340    11806     8719     6229     8542     7663    
 GUAM   1111111   8710     8874     8465     5803     8672     8270     6999    
 HART*   11 111            6505     7077              5820     7537     6421    
 IISC      1121                              3448     5044     5066     5684    
 IRKT    11 11             9803     8007              7775     9365             
 KELY   2212323   9769    10843    11390    11317     9777    10960     6808    
 KERG    1  111            7621                       4980     7776     7796    
 KOKB*  1112212   6735     6844     7617     6881     5883     7326     7140    
 KOSG*  1111111  10959    12221    11806    11907    10770    11660    11567    
 KWJ1   1111121   4686     4103     5106     4153     4293     5367     4280    
 LHAS   1111112   1651     8662     8400     8742     9110     8606     8914    
 MAC1   11111 1  10507     9910    10345     9141     3596              9539    
 MADR*  1111111   8590     9950     9596    10021     7270     9166     8908    
 MALI   2222 22   2756     6323     6428     3467              7192     4949    
 MAS1   1111111   8027     9049     8549     8991    10125     8288     8075    
 MATE*  1111111   7793     8974     9711     8919    12710     9673    11926    
 MCM4   1222222   7211     9335     9280     6932     6403     7691     8746    
 MDO1*  1111111   8156    11656     9195     9208     9934    10644     9720    
 MDVO   1111 11  12765    11352    11281    11133             10931    10985    
 METS   1        12749                                                          
 NLIB   1111111  11434    11956    12087    11745    10942    11954    12043    
 NYAL   11112 2    480     7470     8688    10798     7361              8874    
 OHIG   1111111   6564     7227     5121     6809     8630     8182     6688    
 ONSA   1111111  12676    13187    13349    13047    13171    12631    12368    
 RCM6   1111111   9962    11160    11309    10293     9969    11205    10211    
 REYK   1112211   7145     9815    10811    10370     8976    10836    10211    
 SANT*  1111111   6459     5937     5606     6316     6837     6411     6542    
 SHAO   11211    11632    12127    11823     9601    11869                      
 STJO   1111111   9633    10721    10262     9874     9864    10688     9782    
 TAEJ   111111   11519    11639    11359     9018    10509    10163             
 TAIW   1222112   9185    10578    10279     7863     9287     8519     8721    
 TIDB*  1111111  10430     9429    10200    10205     7825     6973     8622    
 TSKB   1111111   7626     8351    10613     7400    10468    10377     8009    
 UPO1   1112221   8802     9234     9458     9303     6715     7955     9121    
 WES2   1111111  12948    13348    13273    13100    11389    12014    12142    
 WHIT   1111111  10624    12522    12515    12539    10561    12551    12133    
 WTZR*  1111111  12885    12595    12585    12571    13110    13032    12926    
 WUHN   1222 11  11855    12085    11687     9563             11845    11769    
 YAR1*  1    11    478                                         1206     9159    
 YELL*  1113322  12749    12901    12394    12532    10714    12360    12014    
----------------------------------------------------------------------------    
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*  50568.0     918129.5111  -4346071.2465   4561977.8202     4     3     4 
 ASC1   50568.0    6118526.1281  -1572344.6676   -876451.1609    15    20    27 
 AUCK   50568.5   -5105681.0172    461564.0644  -3782181.7521     7     8     5 
 BOGT   50568.5    1744399.0865  -6116037.7736    512731.6245    14    45    30 
 BRAZ   50567.8    4115014.0983  -4550641.5266  -1741444.0564     4    10    13 
 BRMU   50568.5    2304703.5944  -4874817.1801   3395186.8928     5     8     8 
 CAS1   50568.2    -901776.1557   2409383.4538  -5816748.4811    11    12    16 
 CHAT   50568.5   -4590670.9208   -275482.9659  -4404596.7739     9    10    10 
 CRO1   50568.5    2607771.1690  -5488076.7628   1932767.6861     7    13     9 
 DAV1   50568.5     486854.5725   2285099.3244  -5914955.7109     9    24    14 
 DGAR   50567.5    1916269.7549   6029977.3352   -801720.1405    12     9    28 
 DRAO   50568.5   -2059164.6803  -3621108.3939   4814432.3677     2     2     5 
 FAIR*  50568.5   -2281621.4360  -1453595.8000   5756961.9129     1     4     2 
 FORT   50568.5    4985386.6455  -3954998.5840   -428426.4751     9    16    11 
 GOLD*  50568.5   -2353614.1802  -4641385.3962   3676976.4580     2     2     1 
 GUAM   50568.5   -5071312.7534   3568363.5061   1488904.2652    15    28    32 
 HART*  50569.1    5084625.4383   2670366.6140  -2768493.9285    10     4     7 
 IISC   50570.0    1337936.8974   6070317.1807   1427876.4838    15     7    31 
 IRKT   50568.5    -968332.1506   3794425.4601   5018167.7333    14    31     8 
 KELY   50568.5    1575559.2853  -1941827.9380   5848076.5001     5     8     9 
 KERG   50569.5    1406337.3443   3918161.1154  -4816167.3728    15    11    18 
 KOKB*  50568.5   -5543838.1159  -2054587.2534   2387809.7157     3     8     4 
 KOSG*  50568.5    3899225.2515    396731.8273   5015078.3447     2     4     3 
 KWJ1   50568.5   -6160881.0379   1339882.9555    960810.4743    13    38    25 
 LHAS   50568.5    -106937.6036   5549269.6551   3139215.7319    19    44    19 
 MAC1   50568.2   -3464038.5098   1334172.7845  -5169224.3265    10     9     9 
 MADR*  50568.5    4849202.4581   -360329.1070   4114913.0671     3    13     2 
 MALI   50568.3    4865366.4890   4110737.4819   -331121.7237    13    63    66 
 MAS1   50568.5    5439192.2389  -1522055.6194   2953454.6974     6     9    11 
 MATE*  50568.5    4641949.7118   1393045.2943   4133287.3337     2     5     2 
 MCM4   50568.5   -1311703.2600    310815.1102  -6213255.1530    13     8    16 
 MDO1*  50568.5   -1329998.6701  -5328393.3993   3236504.2023     2     3     3 
 MDVO   50568.3    2844672.2686   2161070.1105   5266363.8207     2     7    16 
 METS   50565.5    2892570.9363   1311843.3485   5512634.0638     0     0     0 
 NLIB   50568.5    -130934.4727  -4762291.7481   4226854.6697     2     4     7 
 NYAL   50568.2    1202430.6608    252626.6853   6237767.5297    32    64    37 
 OHIG   50568.5    1525872.5021  -2432481.2908  -5676146.0759    17    18    21 
 ONSA   50568.5    3370658.6699    711877.0389   5349786.8751     4     4     9 
 RCM6   50568.5     961334.7685  -5674074.1264   2740535.1420     4     6    12 
 REYK   50568.5    2587384.4986  -1043033.5002   5716563.9773     3     6     8 
 SANT*  50568.5    1769693.3537  -5044574.1413  -3468321.0438     5     9     3 
 SHAO   50567.5   -2831733.2407   4675666.0631   3275369.4842    11    16     7 
 STJO   50568.5    2612631.2401  -3426807.0349   4686757.8019     5     4     8 
 TAEJ   50568.0   -3120422.9055   4086355.4814   3761769.5883    14    23    15 
 TAIW   50568.5   -3024781.9579   4928936.8576   2681234.4159    14    23    18 
 TIDB*  50568.5   -4460996.1438   2682557.0951  -3674443.6834     5     5     6 
 TSKB   50568.5   -3957199.2091   3310199.6914   3737711.6659    15    25    15 
 UPO1   50568.5   -5464031.7818  -2446032.6383   2193283.0590     7    12    24 
 WES2   50568.5    1492233.3942  -4458089.4922   4296046.0036     3     4    10 
 WHIT   50568.5   -2218337.8142  -2201205.1172   5543057.5718     1     5     5 
 WTZR*  50568.5    4075580.6874    931853.6793   4801568.0429     2     3     3 
 WUHN   50568.3   -2267749.1248   5009154.3684   3221290.7194    15    25    13 
 YAR1*  50569.2   -2389025.5546   5043316.8995  -3078530.7107     4     2     2 
 YELL*  50568.5   -1224452.4969  -2689216.1160   5633638.2742     2     3     1 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 117: constrained site HART 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                                
    : site BOGT has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site NYAL has < 1/2 as many obs as average                                
    : site YAR1 has < 1/2 as many obs as average                                
    : GOLD residual dN > 2*RMS =       3 mm                                     
    : MADR residual dN > 2*RMS =       7 mm                                     
    : NYAL residual dE > 2*RMS =     142 mm                                     
    : NYAL residual dU > 2*RMS =      78 mm                                     
 118: constrained site YAR1 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                                
    : site BOGT has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : CHAT residual dU > 2*RMS =      20 mm                                     
    : KOSG residual dU > 2*RMS =       7 mm                                     
 119: constrained site YAR1 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                                
    : site BOGT has < 1/2 as many obs as average                                
 120: constrained site YAR1 not in data set                                     
    : constrained site HART 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                                
    : site DGAR has < 1/2 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 MALI has < 1/2 as many obs as average                                
    : GUAM residual dN > 2*RMS =      32 mm                                     
    : TAIW residual dN > 2*RMS =      28 mm                                     
    : TSKB residual dN > 2*RMS =      32 mm                                     
 121: constrained site YAR1 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                                
    : site CAS1 has < 1/2 as many obs as average                                
    : site DAV1 has < 1/2 as many obs as average                                
    : site MAC1 has < 1/2 as many obs as average                                
 122: 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                                
    : site YAR1 has < 1/2 as many obs as average                                
    : ASC1 residual dN > 2*RMS =      32 mm                                     
    : ASC1 residual dU > 2*RMS =      60 mm                                     
    : CRO1 residual dN > 2*RMS =      15 mm                                     
    : CRO1 residual dU > 2*RMS =      19 mm                                     
    : MATE residual dU > 2*RMS =       5 mm                                     
    : MDO1 residual dN > 2*RMS =       5 mm                                     
    : NLIB residual dN > 2*RMS =       5 mm                                     
    : WHIT residual dE > 2*RMS =      11 mm                                     
    : WUHN residual dU > 2*RMS =      27 mm                                     
 123: constrained site ALGO 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                                
    : site KWJ1 has < 1/2 as many obs as average                                
--------------------------------------------------------------------------------

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