Subject: [IGSREPORT-4051] Wk 0918 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Wed, 20 Aug 1997 4:38:53 PDT

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IGS Electronic Report    Wed Aug 20  4:38:53 PDT 1997      Message Number 4051
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0918 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0918 (Dates: 97 Aug 10 - 97 Aug 16)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09187.SUM         this text file                                            
 NGS09187.ERP         Earth rotation parameters for GPS Week 0918               
 NGS09187.SNX         weekly GPS coordinate solutions for GPS Wk 0918           
 NGS0918n.SP3         GPS ephemerides for GPS Week 0918, 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        
------------------------------------------------------------------------        
 222     458019         11.1       25          50               11              
 223     462212         11.2       25          51               12              
 224     436476         11.2       24          52               11              
 225     427372         11.7       25          49               12              
 226     428953         11.2       25          48               12              
 227     430029         11.0       25          50               12              
 228     379742         11.0       25          46               10              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        222      223      224      225      226      227      228           
----------------------------------------------------------------------          
  01      20288    20704    20241    19297    16602    19207E   20264E          
  02      14052    13904    14299    13773    13573     9130    10116           
  03      22988E   21354E   20427E   20824E   19296E   19547E   17001E          
  04      19710    19828    20266    16657    18807    18115    15364           
  05      19460    21069    19140    17913    16892    19257    17910           
  06      22103E   21558E   21763E   20245E   22936E   22648E   20165E          
  07      23062E   23191E   23882E   22238E   21910E   21787E   19693E          
  09      16207    18221    17386    14089    15643    14786    11992           
  10      37270    36396    35452    33666    32856    28130    23850           
  14      38314    38874     -999    36404    30252    33636    31496           
  15      38700    33770    33710    33866    32350    30536    24430           
  16      32330    34440    29486    26990    28446    29862    20678           
  17      25772    31528    30582    30024    29170    24252    23482           
  18      33980    34822    39100E   40814E   45412E   41480E   37894E          
  19      28594    30534    34158    24858    24298    22126    21110           
  21      33190    33354    32444    29356    29298    29018    20858           
  22      31094    29964    30436    27678    26988    25936    25340           
  23      33590    34500    34976    36758    35714    35218    33926           
  24      41300    40420    37842    33354    33678    41742    37712           
  25      38724    41320    38208    37680    32558    34014    26994           
  26      32060    30596    33412    28174    31474E   42944E   34904E          
  27      40440    39508    41174    35318    38772    38162    29006           
  29      40140    38294    32936    38918E   46706E   45582E   43504E          
  30      29332    31578    29630    28660    29080    29908    23068           
  31      45468E   44868E   44598E   42154E   39536E   38558E   36222E          
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ AUCK BAHR BRAZ BRMU CAS1 CHAT COCO CRO1 DAV1 DGAR DRAO FAIR   
global: FORT GOLD GUAM HARK HOB2 IISC IRKT KELY KERG KIT3 KOKB KOSG KOUR KWJ1   
global: MAC1 MADR MALI MAS1 MATE MCM4 MDO1 MDVO METS NLIB ONSA RCM6 REYK SANT   
global: SHAO STJO TAEJ TAHI TAIW THU1 TIDB TSKB UPO1 WES2 WHIT WTZR WUHN YAR1   
global: YELL                                                                    
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    222      223      224      225      226      227      228    
----------------------------------------------------------------------------    
 ALGO*  1111111  10856    10564    10537    10977    11090     9799     8659    
 AREQ     11121            6721     3420     1636     4785     2740     3192    
 AUCK   1111111  10554     9770     9010    10130    10244     9820    10101    
 BAHR   1111111   9204     9663    10109     9505     9315    10690    11412    
 BRAZ   1111111   7892     5424     6849     6966     6980     5329     5088    
 BRMU   1111111  10147    10369    10451    11140    11311    10713    10982    
 CAS1   2112 2    6035     6358     6221     6733              7105             
 CHAT   1111111   9459     9089     9125     8901     8796     7857     9048    
 COCO   1111 11   4695     5155     4891     6022              4309     4856    
 CRO1   1111111   7016     7204     5038     7538     8449     5458     6731    
 DAV1   2    22   8985                                         9053     5099    
 DGAR   11  111   2666     1446     1066              1769     4337     3868    
 DRAO   1111111  11523    11309    11066    11608    11213    11243    11466    
 FAIR*  1111211  11493    12982     7019    12553     9013     9991     5584    
 FORT   1111111   6594     6303     6134     8055     6370     7623     6052    
 GOLD*  1111111  11957    11829    11670    12236    12318    10326    11835    
 GUAM   1111111   7183     7465     2416     5818     3312     5873      422    
 HARK   1111111   3897     3178     3869     3926     2963     3446     3179    
 HOB2   111  11  10430     8931     9869                       8432     6548    
 IISC                               8708                                        
 IRKT   111 1 1   7687     7615     5652              7310     9230     9274    
 KELY     223 2           11009    10053     7586     9120    10763     7653    
 KERG   1111111   8489     7970     9309     8333     7151     8197     4046    
 KIT3       111                     6874              6791     8063     7955    
 KOKB*  111111    5122     7018     5120     5487     8394     5560             
 KOSG*  1111111  12446    11956    11466    11059    12112    12160    10874    
 KOUR      2221                     5885     6240     7341     6863     7016    
 KWJ1   1111112   4231     5190     4942     3458     4718     2987     3072    
 MAC1   111      10048     9578     9644                                        
 MADR*  1111111  11480    11188    10845    11327    11280    10697     6905    
 MALI   111122    5803     5951     5713     6117     4877     5424             
 MAS1   1111111  10750     8817    10051    10368    10566     9940    10046    
 MATE*  1111111   9163     9197     8645     9243     8924     9313    11903    
 MCM4   111222    9059     8696     8657     8218     8289     6487             
 MDO1*  1111111  11677    11452    11033    11679    11987     8995    10719    
 MDVO   11111 1  10288    12297    11853    11469    12131             11661    
 METS   1111111   9705    10088     8143    11785    12444    12400    12664    
 NLIB   1111111  11456    11483    10846    11603    11550     8654     1194    
 ONSA   1111111  13011    11261    11975    12781    12770    12707    13046    
 RCM6   1111111  10701     9819    10235    11149    11133    11045    10893    
 REYK   1 11211  10482    11184    10008    10693    10506    10374    10800    
 SANT*   21111             2596     5171     3792     5609     2371             
 SHAO   1 111     9084              4930     8750     4821                      
 STJO   1111111   9922     9810    10051     8322     9110     9429     8761    
 TAEJ   11   11   8567    11243                                8845     5734    
 TAHI   1111  1   4109     4436     4199     3780                       4066    
 TAIW   11 1 1    8570     8225              7153              7441             
 THU1   12112    12072    11167    11957    11504    10996                      
 TIDB*  1111111   9367     9043     8803     7465     7276    10122     7650    
 TSKB   1111111   7464     8366     5467     6056     5578     9249     5811    
 UPO1   1111111   8386    10589     9035     9674    10342     8357     8734    
 WES2   1111111  13081    12740    12393    13064    13079    13012    12373    
 WHIT   1111111  12056    12754    11937    12537    12341    11238    12733    
 WTZR*  11 1111  12850    12324              6370    12890    13116    12290    
 WUHN   1111111   9900    11686     3529    11316     5747     8466     6825    
 YAR1      11                                5947     6082                      
 YELL*  2212222  12130    11383    12051    12002    11070    11173    12416    
----------------------------------------------------------------------------    
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*  50673.5     918129.4981  -4346071.2549   4561977.8223     3     3     4 
 AREQ   50674.0    1942826.7360  -5804070.2610  -1796893.9729    20    19    26 
 AUCK   50673.5   -5105681.0405    461564.0613  -3782181.7439     5    12    22 
 BAHR   50673.5    3633909.0672   4425275.4902   2799861.2781    11    12    14 
 BRAZ   50673.5    4115014.0963  -4550641.5193  -1741444.0474    15    24    23 
 BRMU   50673.5    2304703.5899  -4874817.1873   3395186.8954     5     7    14 
 CAS1   50672.7    -901776.1848   2409383.4391  -5816748.4830    27    25    13 
 CHAT   50673.5   -4590670.9645   -275482.9509  -4404596.7836     8    19    24 
 COCO   50673.3    -741950.0395   6190961.7038  -1337768.5629    20    24    38 
 CRO1   50673.5    2607771.1740  -5488076.7645   1932767.6887     9    12    13 
 DAV1   50674.2     486854.5360   2285099.3517  -5914955.7454    16    19    11 
 DGAR   50673.5    1916269.7935   6029977.3093   -801720.1789    38    67   118 
 DRAO   50673.5   -2059164.6921  -3621108.4057   4814432.3817     2     6     7 
 FAIR*  50673.5   -2281621.4390  -1453595.7958   5756961.9063     3     4     3 
 FORT   50673.5    4985386.6360  -3954998.5887   -428426.4706    17    21    21 
 GOLD*  50673.5   -2353614.1859  -4641385.3964   3676976.4577     2     3     2 
 GUAM   50673.5   -5071312.8845   3568363.5230   1488904.3396    23    48    79 
 HARK   50673.5    5084625.2964   2670366.2633  -2768494.5516    39    32    35 
 HOB2   50673.3   -3950071.3823   2522415.2039  -4311638.3334     8     7    10 
 IISC   50672.5    1337936.7820   6070317.1101   1427876.5032     0     0     0 
 IRKT   50673.5    -968332.2332   3794425.4309   5018167.7654    14    22    15 
 KELY   50674.0    1575559.2604  -1941827.9460   5848076.4958     9    13    12 
 KERG   50673.5    1406337.3222   3918161.1505  -4816167.4011    18    21    24 
 KIT3   50674.7    1944945.3555   4556652.2215   4004325.9786    10     7     7 
 KOKB*  50673.0   -5543838.1150  -2054587.2284   2387809.7261     4     4     3 
 KOSG*  50673.5    3899225.2438    396731.8200   5015078.3448     2     2     1 
 KOUR   50674.5    3839591.4126  -5059567.5442    579956.9303    15    26    16 
 KWJ1   50673.5   -6160881.0246   1339883.0305    960810.4879     6    19    32 
 MAC1   50671.5   -3464038.5183   1334172.7845  -5169224.3176     3    12     9 
 MADR*  50673.5    4849202.4593   -360329.0670   4114913.0700     3     4     2 
 MALI   50673.0    4865366.5251   4110737.4577   -331121.7197    12    41    36 
 MAS1   50673.5    5439192.2463  -1522055.6302   2953454.7139     8     6     9 
 MATE*  50673.5    4641949.7085   1393045.2912   4133287.3395     1     3     2 
 MCM4   50673.0   -1311703.2842    310815.0997  -6213255.1607    26    23    19 
 MDO1*  50673.5   -1329998.6732  -5328393.4002   3236504.1989     3     2     4 
 MDVO   50673.2    2844672.2836   2161070.1085   5266363.8478     7     5     8 
 METS   50673.5    2892570.9216   1311843.3399   5512634.0657     6     7     9 
 NLIB   50673.5    -130934.4785  -4762291.7391   4226854.6604     2     4    15 
 ONSA   50673.5    3370658.6668    711877.0315   5349786.8815     4     4     3 
 RCM6   50673.5     961334.7620  -5674074.1172   2740535.1280     5     6    22 
 REYK   50673.5    2587384.4845  -1043033.5137   5716563.9834     4     5     7 
 SANT*  50673.5    1769693.3652  -5044574.1417  -3468321.0422     4     5     3 
 SHAO   50672.8   -2831733.3074   4675666.0663   3275369.5217    17     4    33 
 STJO   50673.5    2612631.2237  -3426807.0384   4686757.8024     4     5    11 
 TAEJ   50673.5   -3120422.9768   4086355.4606   3761769.6093     7    42    27 
 TAHI   50672.9   -5246569.6576  -3076989.9385  -1913777.8248    30    29    55 
 TAIW   50672.8   -3024782.0632   4928936.8357   2681234.4405     5    35    37 
 THU1   50672.5     538981.4203  -1388714.8078   6181005.1541     5    10    12 
 TIDB*  50673.5   -4460996.1521   2682557.0854  -3674443.6634     4     2     4 
 TSKB   50673.5   -3957199.2836   3310199.6961   3737711.7157    24    37    33 
 UPO1   50673.5   -5464031.7772  -2446032.6227   2193283.0619     4     9    18 
 WES2   50673.5    1492233.3726  -4458089.4994   4296046.0115     4     5    10 
 WHIT   50673.5   -2218337.8210  -2201205.1188   5543057.5787     2     3    10 
 WTZR*  50673.7    4075580.6814    931853.6739   4801568.0432     2     2     5 
 WUHN   50673.5   -2267749.2140   5009154.3503   3221290.7541    15    31    29 
 YAR1   50674.0   -2389025.5658   5043316.9769  -3078530.7228    14    23     9 
 YELL*  50673.5   -1224452.5075  -2689216.1184   5633638.2759     3     4     3 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 222: constrained site SANT 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 DGAR 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 TAHI has < 1/2 as many obs as average                                
    : DRAO residual dN > 2*RMS =       5 mm                                     
    : ONSA residual dU > 2*RMS =       6 mm                                     
 223: PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 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 SANT has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : KOSG residual dU > 2*RMS =       3 mm                                     
    : NLIB residual dE > 2*RMS =       8 mm                                     
    : TSKB residual dE > 2*RMS =      84 mm                                     
 224: constrained site WTZR 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 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 WUHN has < 1/2 as many obs as average                                
    : GUAM residual dU > 2*RMS =     167 mm                                     
    : KWJ1 residual dU > 2*RMS =      72 mm                                     
    : WHIT residual dU > 2*RMS =      22 mm                                     
 225: 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 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                                
    : site TAHI has < 1/2 as many obs as average                                
    : DRAO residual dU > 2*RMS =      14 mm                                     
    : TSKB residual dU > 2*RMS =      73 mm                                     
 226: PRN 01    has < 2/3 as many obs as average                                
    : 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 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                                
 227: PRN 02    has < 2/3 as many obs as average                                
    : PRN 04    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 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                                
    : BRAZ residual dU > 2*RMS =      56 mm                                     
 228: constrained site KOKB not in data set                                     
    : constrained site SANT 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 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 KWJ1 has < 1/2 as many obs as average                                
    : site NLIB has < 1/2 as many obs as average                                
    : GOLD residual dN > 2*RMS =       4 mm                                     
--------------------------------------------------------------------------------

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