Subject: [IGSREPORT-3672] Wk 0901 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Thu, 24 Apr 1997 10:40:46 PDT

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IGS Electronic Report    Thu Apr 24 10:40:46 PDT 1997      Message Number 3672
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0901 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0901 (Dates: 97 Apr 13 - 97 Apr 19)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09017.SUM         this text file                                            
 NGS09017.ERP         Earth rotation parameters for GPS Week 0901               
 NGS0901n.SNX         daily GPS coordinate solutions for GPS Wk 0901 (n=0..6)   
 NGS0901n.SP3         GPS ephemerides for GPS Week 0901, 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        
------------------------------------------------------------------------        
 103     501226         10.1       25          53               14              
 104     440980         10.5       25          48               14              
 105     454548         10.2       25          49               14              
 106     445354         10.3       25          52               14              
 107     451059         10.5       25          50               12              
 108     446834         10.9       25          49               12              
 109     461246         10.7       25          49               12              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        103      104      105      106      107      108      109           
----------------------------------------------------------------------          
  01      16347    14672    15910    15945    14986    14866    16336           
  02      15445    14349    15244    14404    14020    15007    14625           
  03      20425    17640    19333    17317    18130    18298    18255           
  04      18367    14227    15503    15220    16561    15459    18739E          
  05      19324    17843    18646    18705    19061    17849    17885           
  06      16847    14740    15282    16123    16299    16356    13997           
  07      21664    19849    18482    19368    20721    19340    19651           
  09      24327E   22961E   22843E   23854E   22334E   22221E   23141E          
  10      40210    32360    34866    35310    36570    36082    37056           
  14      36608    34340    37658    33698    37358    37068    38552           
  15      37562    34870    35328    34766    32610    34902    33476           
  16      43642    36062    35254    34562    34640    34934    33476           
  17      32814    30808    31564    31332    32538    32816    36044           
  18      34590    31088    30252    27172    31080    31722    33942           
  19      50360E   42920E   43012E   40302E   47816E   26210E   40554E          
  21      42284    36644    40028    40154    36594    41206    40606           
  22      39264    36776    36962    34624    34980    35756    38640           
  23      42404    38198    42082    39136    35270    38126    37368           
  24      49200    40832    43088    40974    41156    41302    40480E          
  25      51812E   43928E   45632E   44950E   46308E   45554E   46986E          
  26      34094    27370    26932    29784    31070    33256    30814           
  27      51174E   43942E   45496E   43034E   46028E   45634E   44328E          
  29      38758    33490    33996    32432    30070    34538    37040           
  30      40090    38140    36976    38658    37110    36088    35978           
  31      32094    27630    27484    27948    26696    29682    31894           
----------------------------------------------------------------------          
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    103      104      105      106      107      108      109    
----------------------------------------------------------------------------    
 ALGO*  1111111  11411    11410    11411    11381    11256     8730    10733    
 ASC1   1111211   5623     6217     6622     6378     7472     6876     7302    
 AUCK   1111111   9947    10011    10537    10659    10430    10588     8221    
 BOGT   1221222   6889     5208     6783     5328     7140     2705     6952    
 BRAZ   1111211   6065     7283     6994     6367     7271     7016     9159    
 BRMU   1111111  11210    11090    11039    11046    10990    10544    10597    
 CAS1   2 12221   7371              4166     2052     5275     8453     8913    
 CHAT   1111111   8844     8665     9029     8955     9564     9507     8300    
 CRO1   1111111   6925     8852     6920     7452     7182     8211     7279    
 DAV1   2211343   6800     7136     5872     2057     6125     8665     9607    
 DGAR   1111111   4897     5175     4425     5027     5340     4984     5334    
 DRAO   1111111  11507    11079    11543    11091    10577    11503    11362    
 FAIR*  1111322  12429     8883    12847    11473    10457    11301    10948    
 FORT   1111111   6096     6578     6578     7655     7142     6875     7495    
 GOLD*  1111111  11502    11184    11805    11741    11856    10232    11723    
 GUAM   2111111   8103     8063     9128     7780     5275     7773     6842    
 HART*  1111      8100     6778     7781     6589                               
 IISC   2122221   4985     5645     6040      885     5303     2898     5855    
 IRKT   11  111   8238     9729                       7281     7928     8007    
 KELY   2211233  10136    11184     9214     8788    10063    10113     5805    
 KERG   1111      7810     6596     7708     7865                               
 KOKB*  1211112   9474     8049     8180     6693     8910     6917     7659    
 KOSG*  1111111  12178    11405    11757    11032    11315    11315    11141    
 KWJ1   2211121   6264     4917     5162     5068     5951     5186     4708    
 LHAS   21  111   5869     8149                       9342     9089     9133    
 MAC1   1 11322   9165              3514     2292     8761     9721     8674    
 MADR*  1111111  10356    10407    10426    10050     9850     9441     8678    
 MALI   2222222   6441     5750     6954     7226     4345     5844     5995    
 MAS1   1111211   9903     9932    10049     9304     9500     7699     8739    
 MATE*  1111111   8768     8534     9388     5121     4490     9362     9483    
 MCM4   2222222   8950     8287     8540     5200     6760     8816     8795    
 MDO1*  1111111  10114     9747    10080     9659    10461     9514    10291    
 MDVO   1  1111  12730                      12665    12759    12601    12367    
 METS   1111111  12643    11696    12692    12062    12809    12266    12623    
 NLIB   1111111  12104    12064    12014    12052    12103    10590    12225    
 NYAL   2 12232   8641              9194     8072     7270     8018     7892    
 OHIG      111                               5832     6184     6034             
 ONSA   1111111  12831    12221    12690    11172    12655    12961    12895    
 RCM6   1111111  11396    11400    11341    11361    11190    10615    11511    
 REYK   1112211  10882    10724    10232     8515     9475    10465    10538    
 SANT*  2111      4569     5959     5979     4202                               
 SHAO   1112111  12056    11496    12094    11969    10884    11901    12336    
 STJO   1111111  10557    10819    10144     9354     9640    10222     8968    
 TAEJ   1  1111  11256                      11802    11545    11373    11349    
 TAIW   2222121   9355     9246     9232     8685     9217     9451    10124    
 TIDB*  1111111   9235     9284     8307     8032     9690     8943     8224    
 TSKB   1111111  10364     7788    10596    10687    10327    10296    10578    
 UPO1   12112 2  10845    10114    10145     8931    10416              9819    
 WES2   11111    13407    13352    13541    13400    13196                      
 WHIT   1111211  12553    12108    12736    12020    11157    10350    11787    
 WTZR*  1111111  13241    12345    13088    10270     8601    12712    13128    
 WUHN   1122 11  12253    11846    12214    11920             12477    12466    
 YAR1*  1111111   6914     7058     7459     7593     6022     7641     5945    
 YELL*  2212333  12625    11677    12587    11001     9699    11138    12005    
----------------------------------------------------------------------------    
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*  50554.5     918129.5064  -4346071.2482   4561977.8143     2     4     3 
 ASC1   50554.5    6118526.1582  -1572344.7038   -876451.1323    28    31    53 
 AUCK   50554.5   -5105681.0261    461564.0716  -3782181.7416     7     9    19 
 BOGT   50554.5    1744399.1000  -6116037.7529    512731.6293    10    20    37 
 BRAZ   50554.5    4115014.1398  -4550641.5183  -1741444.0355    23    50    30 
 BRMU   50554.5    2304703.5942  -4874817.1936   3395186.8989     3     6     8 
 CAS1   50554.8    -901776.2063   2409383.4405  -5816748.4866    18    15    15 
 CHAT   50554.5   -4590670.9510   -275482.9475  -4404596.7778     9    21    13 
 CRO1   50554.5    2607771.1739  -5488076.7841   1932767.6925     5     8    21 
 DAV1   50554.5     486854.5081   2285099.3234  -5914955.7297    17    11    17 
 DGAR   50554.5    1916269.7419   6029977.3321   -801720.1710    15    15    45 
 DRAO   50554.5   -2059164.6817  -3621108.4015   4814432.3747     3     3     8 
 FAIR*  50554.5   -2281621.4317  -1453595.7989   5756961.9132     3     2     2 
 FORT   50554.5    4985386.6690  -3954998.6057   -428426.4620    20    44    44 
 GOLD*  50554.5   -2353614.1783  -4641385.3959   3676976.4586     1     2     2 
 GUAM   50554.5   -5071312.7860   3568363.5132   1488904.2927    27    19    35 
 HART*  50553.0    5084625.4337   2670366.6017  -2768493.9385    13     6     7 
 IISC   50554.5    1337936.8975   6070317.1633   1427876.4796    30    33    42 
 IRKT   50554.7    -968332.1736   3794425.4361   5018167.7496    11    10    19 
 KELY   50554.5    1575559.2709  -1941827.9545   5848076.5001     3     7     9 
 KERG   50553.0    1406337.3245   3918161.1274  -4816167.3867     4    13    14 
 KOKB*  50554.5   -5543838.1138  -2054587.2559   2387809.7174     6     4     4 
 KOSG*  50554.5    3899225.2470    396731.8155   5015078.3400     2     3     3 
 KWJ1   50554.5   -6160881.0314   1339882.9489    960810.4714    12    37    27 
 LHAS   50554.7    -106937.6330   5549269.6138   3139215.7386    19    11    26 
 MAC1   50554.8   -3464038.5323   1334172.7927  -5169224.3275    15    15     6 
 MADR*  50554.5    4849202.4657   -360329.0747   4114913.0777     2    10     3 
 MALI   50554.5    4865366.5002   4110737.4641   -331121.7183    12    21    31 
 MAS1   50554.5    5439192.2586  -1522055.6446   2953454.7084     4    11    42 
 MATE*  50554.5    4641949.7139   1393045.2864   4133287.3349     2     4     2 
 MCM4   50554.5   -1311703.3007    310815.1165  -6213255.1723    12    20     6 
 MDO1*  50554.5   -1329998.6737  -5328393.3978   3236504.2033     3     1     1 
 MDVO   50555.1    2844672.2742   2161070.1193   5266363.8307     3     4    14 
 METS   50554.5    2892570.9220   1311843.3443   5512634.0537     3     2    10 
 NLIB   50554.5    -130934.4763  -4762291.7511   4226854.6698     3     2     5 
 NYAL   50554.8    1202430.6413    252626.6471   6237767.5181     8     3    15 
 OHIG   50555.5    1525872.6133  -2432481.2210  -5676146.0411    35    94    37 
 ONSA   50554.5    3370658.6654    711877.0332   5349786.8720     2     2     8 
 RCM6   50554.5     961334.7682  -5674074.1346   2740535.1442     3     7     4 
 REYK   50554.5    2587384.4855  -1043033.5121   5716563.9680     3     7     8 
 SANT*  50553.0    1769693.3591  -5044574.1428  -3468321.0366     7     7     3 
 SHAO   50554.5   -2831733.2423   4675666.0667   3275369.4931    24    24    29 
 STJO   50554.5    2612631.2340  -3426807.0506   4686757.8064     3     7     6 
 TAEJ   50555.1   -3120422.9185   4086355.4879   3761769.6084    23    23    21 
 TAIW   50554.5   -3024781.9731   4928936.8566   2681234.4335    24    25    36 
 TIDB*  50554.5   -4460996.1510   2682557.1030  -3674443.6825     4     4     5 
 TSKB   50554.5   -3957199.2213   3310199.7108   3737711.6968    21    25    35 
 UPO1   50554.2   -5464031.7803  -2446032.6349   2193283.0675     5     8    18 
 WES2   50553.5    1492233.3898  -4458089.4962   4296046.0011     2     4     3 
 WHIT   50554.5   -2218337.8110  -2201205.1199   5543057.5759     2     4     4 
 WTZR*  50554.5    4075580.6852    931853.6709   4801568.0410     2     2     4 
 WUHN   50554.3   -2267749.1344   5009154.3560   3221290.7321    25    28    31 
 YAR1*  50554.5   -2389025.5469   5043316.8936  -3078530.7129     5     4     4 
 YELL*  50554.5   -1224452.4976  -2689216.1184   5633638.2732     2     2     1 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 103: 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 SANT has < 1/2 as many obs as average                                
 104: 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                                
 105: 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 CAS1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site MAC1 has < 1/2 as many obs as average                                
    : NLIB residual dU > 2*RMS =      10 mm                                     
 106: 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 CAS1 has < 1/2 as many obs as average                                
    : site DAV1 has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site MAC1 has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : CAS1 residual dE > 2*RMS =      30 mm                                     
    : MDO1 residual dN > 2*RMS =       5 mm                                     
    : NLIB residual dN > 2*RMS =       5 mm                                     
 107: constrained site SANT 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 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                                
    : site MALI has < 1/2 as many obs as average                                
    : site MATE has < 1/2 as many obs as average                                
 108: constrained site SANT 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 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 BOGT has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : MALI residual dU > 2*RMS =      64 mm                                     
 109: constrained site SANT 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 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                                
    : KOSG residual dE > 2*RMS =       8 mm                                     
    : MAS1 residual dN > 2*RMS =       9 mm                                     
    : MATE residual dE > 2*RMS =       7 mm                                     
--------------------------------------------------------------------------------

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