Subject: [IGSREPORT-4904] Wk 0957 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Thu, 21 May 1998 10:45:03 PDT

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IGS Electronic Report    Thu May 21 10:45:03 PDT 1998      Message Number 4904
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0957 NOAA NGS Analysis Report

******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 0957 (Dates: 98 May 10 - 98 May 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:                                                         
------------------------------------------------------------------------------  
 NGS09577.SUM         this text file                                            
 NGS09577.ERP         Earth rotation parameters for GPS Week 0957               
 NGS09577.SNX         weekly GPS coordinate solutions for GPS Wk 0957           
 NGS0957n.SP3         GPS ephemerides for GPS Week 0957, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page4 developed at NOAA                                   
 Terr. Ref. Frame     nominally, ITRF96 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        
------------------------------------------------------------------------        
 130     623003         11.5       27          60               45              
 131     618098         11.3       27          60               44              
 132     611637         11.2       27          60               40              
 133     651159         10.6       27          62               42              
 134     623575         10.7       27          60               40              
 135     657834         10.7       27          61               40              
 136     603935         11.0       27          60               42              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        130      131      132      133      134      135      136           
----------------------------------------------------------------------          
  01      24373    25957    24745    27755    24839    26717    24325           
  02      28917E   28032E   28052E   29923E   28308E   30546E   26972E          
  03      17388    19458    17096    16440    17229    17767    17000           
  04      26815E   28000E   26130E   27146E   26583E   28059E   24524E          
  05      26852E   26596E   26555E   27483E   26786E   27095E   25731E          
  06      21705    16993    17058    17720    17031    16625    16534           
  07      16740    16042    16094    17810    16723    18018    14859           
  08      21281    18337    21187    21267    20983    21487    19695           
  09      40032    40042    38542    40444    40962    39298    36582           
  10      37596    35434    35664    37160    34644    36854    30910           
  13      48514    46244    45762    49826    44680    50508    43524           
  14      41286    42622    38698    43562    37774    41046    36754           
  15      56652E   56484E   54086E   59898E   56640E   60422E   57078E          
  16      41468    39914    42646    41626    44766    43064    41950           
  17      56978E   51454E   55018E   57896E   56520E   60410E   54972E          
  18      46806    47154    43958    48002    42432    49056    47468           
  19      42558    44560    43780    49282    49056    49946    41840           
  21      44506    44020    42710    46680    44848    47318    44714           
  22      55138E   57198E   53948E   60230E   56896E   60770E   55254E          
  23      43672    41254    42926    48610    45590    50040    43936           
  24      55718E   51516E   51820E   55838E   54034E   55810E   51696E          
  25      45740    45812    43180    46762    43616    47436    45774           
  26      42758    43802    42786    44548    44214    50386    44638           
  27      42576    42064    42094    42802    41736    42912    43712           
  29      45228    47576    48822    49242    47666    49828    47172           
  30      42146E   54686E   54086E   58724E   57174E   55860E   52872E          
  31      48492    45530    48914    50098    46938    52076    47744           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BRMU CAS1 CHAT COCO CRO1 DAV1 DGAR DRAO EISL   
global: FAIR FORT GALA GODE GOLD GRAZ GUAM HART HOB2 IRKT KELY KERG KIT3 KOKB   
global: KOSG KOUR KSTU KWJ1 LHAS LPGS MAC1 MADR MALI MASP MATE MCM4 MDO1 METS   
global: MKEA NLIB NTUS NYAL OHIG ONSA PERT PIE1 POTS RCM6 REYK SANT SHAO STJO   
global: TAEJ THU1 TIDB TROM TSKB VILL WES2 WHIT WTZR WUHN YAR1 YELL ZWEN        
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    130      131      132      133      134      135      136    
----------------------------------------------------------------------------    
 ALGO*  1111112  13325    13421    13127    13262    13344    12533    11922    
 AREQ*  22222 2   3892     3774     3577     3936     3351              3107    
 ASC1   2222212   6451     5894     5682     7589     5436     3534     6310    
 AUCK    111111           11176    11355    11355    11422    11410    11460    
 BAHR   3222222  10488    10146     9880    10082    10319     9529     9717    
 BRMU*  22222 2   8506    10844    11459    11060    11313             11258    
 CAS1   4432334   7671     7651     9819    10172    10409     9400     6676    
 CHAT   1 11111  11112             10164     9525    10399    11079     8422    
 COCO   222 222   6784     8527     8265              7776     6649     5838    
 CRO1    221222            8051     7760     7193     7962     7653     7491    
 DAV1*   542234            8278    10202     8693     9028    10443     6684    
 DGAR   2222211   4419     3759     3389     4277     4457     4804     4788    
 DRAO*  1211122  13441    13585    12624    11924    13637    13577    13508    
 EISL   2222222   7609     3491     3019     3674     7645     7510     2304    
 FAIR*  2231121  11537    13729    12265    13955    13849    13869    12286    
 FORT*  22222 2   6443     5714     5256     6575     6118              5926    
 GALA       22                                        3346     5271             
 GODE*  1111122  14123    14178    13514    13365    13385    12072    14088    
 GOLD*  2222222  11974    12311    11184    12023    12100    12162    11984    
 GRAZ*  121  22  11335    11694     3011                      14304    13898    
 GUAM*  2222222   7433     8403     7234     7198     7649     7464     7031    
 HART*  11        9682     8815                                                 
 HOB2*  1 11 11  12851             11997    11278             12725    11876    
 IRKT*  22 22 2  12025    11916             11912     9887             11376    
 KELY   3433233  11947    11614    12114    12281    13338    12641    12130    
 KERG*  11        7138     8387                                                 
 KIT3*  2222222  11113    10830     9674     9985    10258    10397    10277    
 KOKB*  2222222  12660     9353    11914    12549    12564    12431    12449    
 KOSG*  1 11221  13065             13592    13797    13116    13662    12877    
 KOUR*  2222222   4183     4621     3846     3952     4904     4768     4213    
 KSTU        2                                                 9914             
 KWJ1*  3222232   6664     6311     6041     5881     6204     5672     6949    
 LHAS*  2222222   7824     9159     8590     6904     8760     8920     7765    
 LPGS   1111  1   8635     7779     8407     8757                      10542    
 MAC1*  222 111  10416     9919    10002             10447    10407    10407    
 MADR*  1221222  13226    13164    13513    13679    14028    13788    12317    
 MALI*  2223222   7402     7203     5709     5823     6241     5897     6398    
 MASP*  2222222  12353    12378    12648    12631    11037     7309    11204    
 MATE*  2222222  13956    13619    12343    12304    12074    14097    14494    
 MCM4   4432234  10155    10066     9093     8034     7211     7503     7095    
 MDO1*  2222222  13110    13373    13067    13287    13125    10001    12980    
 METS     1111                     12020    10656    12392    12485             
 MKEA   2222222  10922    11001    10223    11031    10902    10981    10851    
 NLIB*  1111122  12457    12778    12486    12558    12746    11283    12260    
 NTUS   2  2  2   4360                       5392                       5022    
 NYAL*  3332223   9920    11748    11509    12783     8141    12325    11724    
 OHIG*  11 1111   8574     7822              8516     5837     6054     8852    
 ONSA*  111122   13462    12013    12819    13767    12965    13756             
 PERT*  1111111  11933    12426    11478    12361    12738    12669    10841    
 PIE1*  2221222  13461    13646    13056    12824    13391    13402    13283    
 POTS*  22 2 22  13367    12370             13441             13264    13945    
 RCM6     2222                     12742    12515    12684    12752             
 REYK   2221222  11449    11558    10789    11816    11153    11368    11464    
 SANT*  1121111   9457     9730    10454    11488     6641     6092     8793    
 SHAO*  2222222  12075    11147    11650    12073    11908    11438     9453    
 STJO    111122           12781    12826    12743    12857    12765    12535    
 TAEJ   2 22222  12750             11949    12381    11737    12528    12357    
 THU1*  2322223  12185    11492    11471    12326    12725    12587    12137    
 TIDB*  1111111  11787    11042    11674    11196    11112    11876    11021    
 TROM*  222222    8118    11939    11783    12591    10354    11969             
 TSKB*  2222222  10804     9336    10492    10671    10718    11470    10223    
 VILL*  1222222  13002    12486    13104    13252    12833    12711    11395    
 WES2*  2111122  13667    13298    13429    13346    13432    13595    12890    
 WHIT    22112            12989    12401    13502    13944    13969             
 WTZR*  1222222  13048    12914    10311    13779    13910    14009    14142    
 WUHN   2222222  11231    11070    10488    10803    10595    10338     9932    
 YAR1*  1111111   8275    11625     8602    10399    11214    10608     8340    
 YELL*  2332222  12812    11485    11878    12779    13725    13758    13031    
 ZWEN*  11 2 22  11680    11707              7310             12041    11735    
----------------------------------------------------------------------------    
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*  50946.5     918129.4883  -4346071.2353   4561977.8176     1     0     0 
 AREQ*  50946.2    1942826.7469  -5804070.2441  -1796893.9610     0     0     0 
 ASC1   50946.5    6118526.0896  -1572344.6711   -876451.1509     9    23    19 
 AUCK   50947.0   -5105681.0476    461564.0300  -3782181.7269     3     7    10 
 BAHR   50946.5    3633909.0202   4425275.5055   2799861.2992     2     6     7 
 BRMU*  50946.2    2304703.5778  -4874817.1767   3395186.8999     1     1     0 
 CAS1   50946.5    -901776.1684   2409383.4034  -5816748.4496     5     5    18 
 CHAT   50946.8   -4590670.9619   -275482.9462  -4404596.7638     3    12    11 
 COCO   50946.5    -741950.0653   6190961.6618  -1337768.5283     4    10    24 
 CRO1   50947.0    2607771.1699  -5488076.7484   1932767.6905     3     4    16 
 DAV1*  50947.0     486854.5534   2285099.2908  -5914955.7035     1     1     2 
 DGAR   50946.5    1916269.7290   6029977.3907   -801720.1395     9    30    32 
 DRAO*  50946.5   -2059164.6963  -3621108.3936   4814432.3683     1     0     0 
 EISL   50946.5   -1884951.6510  -5357595.8895  -2892890.5145    10    27    45 
 FAIR*  50946.5   -2281621.4565  -1453595.7943   5756961.9091     0     0     0 
 FORT*  50946.2    4985386.6355  -3954998.5836   -428426.4786     0     0     0 
 GALA   50948.0     -33796.0114  -6377522.6418    -82120.8972     1    43    55 
 GODE*  50946.5    1130773.8485  -4831253.5663   3994200.3950     0     0     0 
 GOLD*  50946.5   -2353614.1897  -4641385.3699   3676976.4429     2     2     1 
 GRAZ*  50946.3    4194423.9506   1162702.5849   4647245.3326     1     0     0 
 GUAM*  50946.5   -5071312.7868   3568363.5068   1488904.3173     1     1     1 
 HART*  50944.0    5084625.2966   2670366.2539  -2768494.5420     0     1     0 
 HOB2*  50946.7   -3950071.4202   2522415.1943  -4311638.3097     2     2     1 
 IRKT*  50946.3    -968332.2152   3794425.4171   5018167.7466     1     1     1 
 KELY   50946.5    1575559.2607  -1941827.9175   5848076.4816     1     3     7 
 KERG*  50944.0    1406337.3370   3918161.1014  -4816167.3812     1     0     0 
 KIT3*  50946.5    1944945.3249   4556652.2194   4004325.9753     2     1     1 
 KOKB*  50946.5   -5543838.1165  -2054587.1694   2387809.7447     1     0     0 
 KOSG*  50946.8    3899225.2423    396731.8423   5015078.3571     1     0     0 
 KOUR*  50946.5    3839591.4267  -5059567.5400    579956.9400     1     1     1 
 KSTU   50948.5    -174281.7383   3571333.0126   5264196.0506     0     0     0 
 KWJ1*  50946.5   -6160880.9785   1339883.0596    960810.4991     1     1     0 
 LHAS*  50946.5    -106937.7252   5549269.5894   3139215.7729     1     1     0 
 LPGS   50945.9    2780102.9414  -4437418.8616  -3629404.5736     2     5    14 
 MAC1*  50946.5   -3464038.5338   1334172.7768  -5169224.3061     2     1     0 
 MADR*  50946.5    4849202.4633   -360329.0860   4114913.1195     1     0     0 
 MALI*  50946.5    4865366.4779   4110737.4793   -331121.7069     2     2     1 
 MASP*  50946.5    5439192.2670  -1522055.6021   2953454.7332     1     1     0 
 MATE*  50946.5    4641949.6933   1393045.3075   4133287.3503     1     0     0 
 MCM4   50946.5   -1311703.2480    310815.0772  -6213255.1452     9     9    12 
 MDO1*  50946.5   -1329998.6865  -5328393.3895   3236504.1917     1     0     0 
 METS   50947.0    2892570.9139   1311843.3536   5512634.0614     1     1     2 
 MKEA   50946.5   -5464105.1075  -2495166.8050   2148290.9825     2     3    10 
 NLIB*  50946.5    -130934.4929  -4762291.7294   4226854.6555     1     0     0 
 NTUS   50946.5   -1508022.7161   6195576.7360    148799.4669     6     9    15 
 NYAL*  50946.5    1202430.6289    252626.6657   6237767.5176     1     1     0 
 OHIG*  50946.7    1525872.5031  -2432481.2976  -5676146.0913     1     1     0 
 ONSA*  50946.0    3370658.6538    711877.0519   5349786.8762     1     0     0 
 PERT*  50946.5   -2368687.0427   4881316.5312  -3341796.1053     1     1     1 
 PIE1*  50946.5   -1640916.8031  -5014781.2012   3575447.1299     1     0     0 
 POTS*  50946.5    3800689.7651    882077.2926   5028791.2555     1     0     0 
 RCM6   50947.0     961334.7325  -5674074.1143   2740535.1300     1     5     9 
 REYK   50946.5    2587384.4792  -1043033.4923   5716563.9813     2     5     7 
 SANT*  50946.5    1769693.3682  -5044574.1566  -3468321.0516     0     0     0 
 SHAO*  50946.5   -2831733.3038   4675666.0303   3275369.4995     2     1     1 
 STJO   50947.0    2612631.2192  -3426807.0148   4686757.8011     2     3     5 
 TAEJ   50946.8   -3120422.9617   4086355.4397   3761769.6026     2     4     7 
 THU1*  50946.5     538981.4005  -1388714.7887   6181005.1283     1     1     1 
 TIDB*  50946.5   -4460996.1845   2682557.0742  -3674443.6373     1     1     1 
 TROM*  50946.0    2102940.3234    721569.3971   5958192.1097     0     1     0 
 TSKB*  50946.5   -3957199.2319   3310199.6756   3737711.6884     1     1     1 
 VILL*  50946.5    4849833.7910   -335049.1507   4116014.8464     1     1     0 
 WES2*  50946.5    1492233.3661  -4458089.4747   4296046.0020     1     0     0 
 WHIT   50946.5   -2218337.8276  -2201205.1045   5543057.5628     1     2     2 
 WTZR*  50946.5    4075580.6747    931853.6929   4801568.0543     1     0     0 
 WUHN   50946.5   -2267749.1877   5009154.3029   3221290.7287     3     4     3 
 YAR1*  50946.5   -2389025.6065   5043316.8815  -3078530.6711     1     1     0 
 YELL*  50946.5   -1224452.5191  -2689216.1079   5633638.2724     1     0     0 
 ZWEN*  50946.5    2886325.5253   2155998.4222   5245816.1444     1     1     0 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 130: constrained site DAV1 not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 KOUR has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : CAS1 residual dU > 2*RMS =      40 mm                                     
    : NLIB residual dU > 2*RMS =       1 mm                                     
 131: constrained site HOB2 not in data set                                     
    : constrained site KOSG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 EISL has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : DGAR residual dU > 2*RMS =      68 mm                                     
    : TSKB residual dE > 2*RMS =       2 mm                                     
 132: constrained site HART not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site OHIG not in data set                                     
    : constrained site POTS not in data set                                     
    : constrained site ZWEN not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 EISL has < 1/2 as many obs as average                                
    : site GRAZ has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : SHAO residual dN > 2*RMS =       6 mm                                     
    : WES2 residual dN > 2*RMS =       1 mm                                     
 133: constrained site GRAZ not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 EISL has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : CHAT residual dN > 2*RMS =       6 mm                                     
    : CHAT residual dE > 2*RMS =      25 mm                                     
    : NLIB residual dN > 2*RMS =       3 mm                                     
 134: constrained site GRAZ not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site HOB2 not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site POTS not in data set                                     
    : constrained site ZWEN not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 GALA has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : CAS1 residual dE > 2*RMS =       9 mm                                     
 135: constrained site AREQ not in data set                                     
    : constrained site BRMU not in data set                                     
    : constrained site FORT not in data set                                     
    : constrained site HART not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site KERG not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
 136: constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site ONSA not in data set                                     
    : constrained site TROM not in data set                                     
    : PRN 01    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 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    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 EISL has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : EISL residual dN > 2*RMS =      21 mm                                     
    : EISL residual dE > 2*RMS =      60 mm                                     
    : MCM4 residual dU > 2*RMS =      24 mm                                     
    : VILL residual dN > 2*RMS =       2 mm                                     
--------------------------------------------------------------------------------

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