Subject: [IGSREPORT-4104] Wk 0920 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Fri, 5 Sep 1997 4:32:27 PDT

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IGS Electronic Report    Fri Sep  5  4:32:27 PDT 1997      Message Number 4104
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0920 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0920 (Dates: 97 Aug 24 - 97 Aug 30)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09207.SUM         this text file                                            
 NGS09207.ERP         Earth rotation parameters for GPS Week 0920               
 NGS09207.SNX         weekly GPS coordinate solutions for GPS Wk 0920           
 NGS0920n.SP3         GPS ephemerides for GPS Week 0920, 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        
------------------------------------------------------------------------        
 236     381702         11.4       26          48               11              
 237     424697         11.1       26          50               10              
 238     444492         10.8       26          51               12              
 239     451615         11.0       26          52               12              
 240     412511         11.1       26          48               12              
 241     440922         11.4       26          50               12              
 242     471704         10.9       26          53               12              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        236      237      238      239      240      241      242           
----------------------------------------------------------------------          
  01      18632E   22712E   23426E   22476E   21109E   23016E   24263E          
  02      10601    11164    12148     9555     9867     9359    10810           
  03      17522E   18818E   18316E   21303E   18583E   20421E   21216E          
  04      14845    19513    19435    19644    17726    19126    19572           
  05      15606    17300    19062    18709    17481    18670    18884           
  06      19179E   18853E   21664E   22155E   19685E   20400E   23227E          
  07      19556E   22702E   23131E   23680E   20601E   21989E   25105E          
  09      10756    13303    13809    14246    12499    14788    14493           
  10      26176    28682    28828    27832    23246    27290    28412           
  13      17034E   19686E   20456E   19662E   21238E   21082E   20288E          
  14      24580    36022    35158    34210    32520    31536    35968           
  15      23578    27592    30532    32084    26792    28318    34160           
  16      25008    28840    29228    31968    26720    29388    32426           
  17      25856    22204    24808    26302    25700    27600    29836           
  18      33554E   36486E   40356E   42430E   40748E   40522E   46570E          
  19      21540    23998    24054    25072    20836    22292    26000           
  21      22646    20142    23900    20714    19544    23946    23222           
  22      24116    23420    27264    27100    24586    25442    26098           
  23      33544    36406    38148    38078    36888    36484    37574           
  24      35630    33228    42144    41136    36112    35960    42916           
  25      27044    33990    30054    35472    31424    36670    35792           
  26      35428E   41892E   40244E   39330E   37678E   41524E   40276E          
  27      32006    33680    35882    38010    35050    36800    40266           
  29      38896E   44914E   45784E   48080E   45462E   47286E   50590E          
  30      26312    28452    30456    29294    26254    31094    32574           
  31      37062E   41030E   39706E   42920E   39122E   43072E   45300E          
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BRAZ BRMU CAS1 CHAT CRO1 DGAR DRAO FAIR FORT   
global: GOLD GUAM HARK HOB2 IISC IRKT KELY KERG KIT3 KOKB KOSG KOUR KWJ1 LHAS   
global: LPGS MAC1 MADR MALI MAS1 MATE MCM4 MDO1 MDVO METS NLIB NYAL ONSA RCM6   
global: REYK SANT SHAO STJO TAEJ TAHI TAIW THU1 TIDB TSKB UPO1 WES2 WHIT WTZR   
global: WUHN YELL                                                               
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    236      237      238      239      240      241      242    
----------------------------------------------------------------------------    
 ALGO*  1111111  11283    10272    11062    10359    11301    10336    10062    
 AREQ   1111112   1972     2387     1992     2255     2702     2520     1566    
 ASC1   1         4660                                                          
 AUCK   1111111  10882     7702    10002    10626    10768     9932    11008    
 BAHR   1111111   9518    12654    10838    12356     8674     9884    12085    
 BRAZ   111       3252     3680     4280                                3837    
 BRMU   1111111  10912    10198    10649    10455    10904    10928    10992    
 CAS1   2222222   6054     5886     5981     6403     5670     5502     6484    
 CHAT   1111111   9698     8480     9593     9158     9756     9625     9164    
 CRO1    111111            7527     4869     4248     4842     4225     6025    
 DGAR   1111111   2979     3742     3337     4519     2619     2789     3988    
 DRAO   1111111  11717    11930    10968    11234    11946    12127    12068    
 FAIR*  1111221   7481    13043     7274    10890     6423     8709    12772    
 FORT   1111111   4050     4033     5954     2568     5340     4308     5844    
 GOLD*  1111111   7971    10072     9464     7532    10468    10298    10191    
 GUAM   1111111   3215     6099     5117     5228     2714     7514     8417    
 HARK   1111111   3595     3792     3423     3239     3437     3038     3423    
 HOB2   1 11111  11023             10151    10068    10192    10488     9935    
 IISC      1111                              9889     5417     5171     9300    
 IRKT   1111      5456     9303     8735     9518                       9369    
 KELY   2112332   9143     5196    10680    10885     8191     8419    10859    
 KERG   1111111   8696     8302     6493     8183     8809     8608     8419    
 KIT3    111  1            9070     8367     9292                       8208    
 KOKB*   221222            6787     7883     5045     5122     6264     5741    
 KOSG*  1111111  12479    11074    12670    11960    12045    11900    11700    
 KOUR   122222    3944     3333     1082     1970                               
 KWJ1    212               3694     3765     1312                               
 LHAS        21                                                4683     6980    
 LPGS      1111                              2315     8275     5815     7314    
 MAC1   1111221  11814     9477    10578    10422     9557     9658     9516    
 MADR*  1 11111  11714             11161    10185    11849    10193     7732    
 MALI   1111121   4911     3910     4888     5040     4912     4356     2009    
 MAS1   1111111   7795     9156     9383     8712    10728     7497     6132    
 MATE*  1111111   7400     7986     8867     8742     8842     8182    12401    
 MCM4    112322            8443     9631     8524     9020     6584     6551    
 MDO1*  1111111   5374    12029    10983     9519    11967    11618    11433    
 MDVO   1111111  12042     9423    12792    11208    12787    12034    11692    
 METS   1111111  11872     8483    12118    12200     8500    11881    12357    
 NLIB    111111           11593    11757    11667    12117    10654    11262    
 NYAL   221       5706    11761    11197                                        
 ONSA   1111111  12451    12289    12728    12054    12836    12260    12450    
 RCM6   1111111  10024    10523     9694    10331    11594    11188    11448    
 REYK   1111221  10870    11073    10900    10733    10437    10623    10699    
 SANT*  2111112    590     2079     2730     3053     7709     5544     4275    
 SHAO   11 1111   2816    10306              9345     3682    12357    10161    
 STJO   1111111   9055     6395    10290    10501     9903     9758    10634    
 TAEJ   1111111   2864     8960     8010     9577     3712    10811     8847    
 TAHI   1   122   1730                                3679     3607     3348    
 TAIW    121 11            8022     7350     9027              8903     8696    
 THU1   11       12420    12176                                                 
 TIDB*  1 11111   7673              8102     7034     8106    10905    10999    
 TSKB   1111111   2238    10257     8823    10756     5810     7517    10476    
 UPO1   1111112   8180     7073     7538     8881     7640     8849     7892    
 WES2   1111111  12945    12549    11867    12540    12404    12960     8636    
 WHIT   1111211  10019    12822     9941    12642    12356    12487    12683    
 WTZR*  1111111  12688    10634    12707    12713    10275    12294    12875    
 WUHN   1111111   3168     7752     8289     6932     3315    11621    10329    
 YELL*  1112222  12265    12089    12812    12057    11890    12116    11854    
----------------------------------------------------------------------------    
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*  50687.5     918129.5019  -4346071.2570   4561977.8185     3     5     5 
 AREQ   50687.5    1942826.7300  -5804070.2681  -1796893.9768    31    23    43 
 ASC1   50684.5    6118526.0625  -1572344.6779   -876451.1840     0     0     0 
 AUCK   50687.5   -5105681.0589    461564.1227  -3782181.7511    32   132    52 
 BAHR   50687.5    3633909.0745   4425275.5057   2799861.2914    12    12    14 
 BRAZ   50686.7    4115014.1548  -4550641.5834  -1741444.0549    18    23    60 
 BRMU   50687.5    2304703.5813  -4874817.1907   3395186.8872     2     8    10 
 CAS1   50687.5    -901776.1958   2409383.4934  -5816748.4865   142    19    54 
 CHAT   50687.5   -4590670.9789   -275482.8911  -4404596.7811    25   140    28 
 CRO1   50688.0    2607771.1742  -5488076.7941   1932767.6878     6    12    28 
 DGAR   50687.5    1916269.7688   6029977.3141   -801720.1240    21    60   129 
 DRAO   50687.5   -2059164.6941  -3621108.4019   4814432.3814     4     6     8 
 FAIR*  50687.5   -2281621.4392  -1453595.7949   5756961.9076     4     3     3 
 FORT   50687.5    4985386.6049  -3954998.6115   -428426.4779    24    64    60 
 GOLD*  50687.5   -2353614.1880  -4641385.3948   3676976.4576     2     2     2 
 GUAM   50687.5   -5071312.7843   3568363.5419   1488904.3299    21    45    40 
 HARK   50687.5    5084625.2894   2670366.2651  -2768494.5811    41   149    21 
 HOB2   50687.8   -3950071.3842   2522415.2001  -4311638.3333     4     4    15 
 IISC   50689.0    1337936.8318   6070317.1437   1427876.5239     8    11    15 
 IRKT   50686.9    -968332.2252   3794425.4479   5018167.7880    16    18    13 
 KELY   50687.5    1575559.2800  -1941827.9422   5848076.4976     6     7     8 
 KERG   50687.5    1406337.3205   3918161.1835  -4816167.3924    73   110    70 
 KIT3   50687.5    1944945.3613   4556652.2290   4004325.9885    12     7     6 
 KOKB*  50688.0   -5543838.1135  -2054587.2321   2387809.7344     7     7     2 
 KOSG*  50687.5    3899225.2451    396731.8199   5015078.3453     2     3     3 
 KOUR   50686.0    3839591.3739  -5059567.5246    579956.9127    18    44     8 
 KWJ1   50686.5   -6160880.9675   1339883.0379    960810.4784    14    37    31 
 LHAS   50690.0    -106937.6803   5549269.5959   3139215.7645    13    16    32 
 LPGS   50689.0    2780103.0044  -4437418.8696  -3629404.5889     3    33    28 
 MAC1   50687.5   -3464038.5457   1334172.8470  -5169224.3214    84   116    60 
 MADR*  50687.8    4849202.4567   -360329.0704   4114913.0741     4     5     3 
 MALI   50687.5    4865366.5299   4110737.5288   -331121.6966    22    89    64 
 MAS1   50687.5    5439192.2527  -1522055.6384   2953454.7160    11    11    14 
 MATE*  50687.5    4641949.7053   1393045.2932   4133287.3385     4     6     4 
 MCM4   50688.0   -1311703.3062    310815.1652  -6213255.1443    93   147    21 
 MDO1*  50687.5   -1329998.6703  -5328393.4004   3236504.1994     2     4     5 
 MDVO   50687.5    2844672.2883   2161070.1180   5266363.8545     5    10     5 
 METS   50687.5    2892570.9298   1311843.3466   5512634.0733     3     6     6 
 NLIB   50688.0    -130934.4773  -4762291.7517   4226854.6654     2     4     6 
 NYAL   50685.5    1202430.6433    252626.6440   6237767.5525     6     2     9 
 ONSA   50687.5    3370658.6691    711877.0339   5349786.8835     4    10     3 
 RCM6   50687.5     961334.7558  -5674074.1307   2740535.1300     4    17    25 
 REYK   50687.5    2587384.4895  -1043033.5147   5716563.9808     4     4     9 
 SANT*  50687.5    1769693.3673  -5044574.1451  -3468321.0455     2     5     3 
 SHAO   50687.7   -2831733.2969   4675666.0957   3275369.5514    37    11    53 
 STJO   50687.5    2612631.2248  -3426807.0436   4686757.8018     6     5    13 
 TAEJ   50687.5   -3120422.9487   4086355.4854   3761769.6358    25    15    44 
 TAHI   50688.2   -5246569.7248  -3076989.9311  -1913777.8485     2    31    33 
 TAIW   50687.9   -3024782.0087   4928936.8630   2681234.4619    15    19    44 
 THU1   50685.0     538981.4099  -1388714.8095   6181005.1420     0     4     4 
 TIDB*  50687.8   -4460996.1549   2682557.0894  -3674443.6666     4     2     5 
 TSKB   50687.5   -3957199.2340   3310199.7147   3737711.7203    37    23    38 
 UPO1   50687.5   -5464031.7642  -2446032.6216   2193283.0623     8     5    24 
 WES2   50687.5    1492233.3729  -4458089.5046   4296046.0088     4     6     7 
 WHIT   50687.5   -2218337.8209  -2201205.1160   5543057.5813     4     4     5 
 WTZR*  50687.5    4075580.6825    931853.6785   4801568.0428     3     6     4 
 WUHN   50687.5   -2267749.1773   5009154.3704   3221290.7777    25    15    48 
 YELL*  50687.5   -1224452.5109  -2689216.1156   5633638.2752     4     4     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 236: constrained site KOKB not in data set                                     
    : PRN 02    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 09    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 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 SANT has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site TAEJ has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : site TSKB has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : HARK residual dN > 2*RMS =      86 mm                                     
    : SHAO residual dN > 2*RMS =      78 mm                                     
    : TAEJ residual dN > 2*RMS =      54 mm                                     
    : TSKB residual dN > 2*RMS =      84 mm                                     
    : WUHN residual dN > 2*RMS =      52 mm                                     
 237: constrained site MADR not in data set                                     
    : constrained site TIDB not in data set                                     
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 09    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 DGAR 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 KOUR 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                                
    : site SANT has < 1/2 as many obs as average                                
    : AUCK residual dN > 2*RMS =      76 mm                                     
    : AUCK residual dU > 2*RMS =     118 mm                                     
    : BAHR residual dU > 2*RMS =      28 mm                                     
    : CAS1 residual dN > 2*RMS =     345 mm                                     
    : CAS1 residual dU > 2*RMS =     126 mm                                     
    : CHAT residual dN > 2*RMS =      60 mm                                     
    : CRO1 residual dE > 2*RMS =      24 mm                                     
    : DGAR residual dE > 2*RMS =     140 mm                                     
    : FAIR residual dE > 2*RMS =       6 mm                                     
    : HARK residual dE > 2*RMS =     351 mm                                     
    : KELY residual dN > 2*RMS =      12 mm                                     
    : KERG residual dN > 2*RMS =     177 mm                                     
    : KERG residual dE > 2*RMS =     264 mm                                     
    : KERG residual dU > 2*RMS =     161 mm                                     
    : MAC1 residual dN > 2*RMS =     203 mm                                     
    : MAC1 residual dU > 2*RMS =     142 mm                                     
    : MCM4 residual dN > 2*RMS =     204 mm                                     
    : ONSA residual dU > 2*RMS =       7 mm                                     
    : YELL residual dU > 2*RMS =       4 mm                                     
 238: PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 09    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 DGAR 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 KWJ1 has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
 239: PRN 02    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site CRO1 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 KOUR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site LPGS has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : KELY residual dU > 2*RMS =      17 mm                                     
 240: PRN 02    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 09    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 GUAM has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site SHAO has < 1/2 as many obs as average                                
    : site TAEJ 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 =       4 mm                                     
 241: PRN 02    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site CRO1 has < 1/2 as many obs as average                                
    : site DGAR 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 MALI has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
 242: PRN 02    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 09    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 DGAR has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
--------------------------------------------------------------------------------

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