Subject: [IGSREPORT-4556] Wk 0941 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Mon, 2 Feb 1998 11:31:25 PST

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IGS Electronic Report    Mon Feb  2 11:31:25 PST 1998      Message Number 4556
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0941 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0941 (Dates: 98 Jan 18 - 98 Jan 24)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09417.SUM         this text file                                            
 NGS09417.ERP         Earth rotation parameters for GPS Week 0941               
 NGS09417.SNX         weekly GPS coordinate solutions for GPS Wk 0941           
 NGS0941n.SP3         GPS ephemerides for GPS Week 0941, 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        
------------------------------------------------------------------------        
 018     465030          9.8       27          55               11              
 019     386538          9.7       27          50               11              
 020     352354          9.3       27          45                8              
 021     346377          9.2       27          43                7              
 022     358307          9.7       26          44                8              
 023     389813          9.7       27          48               11              
 024     298347          9.7       26          39                7              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        018      019      020      021      022      023      024           
----------------------------------------------------------------------          
  01      17217    16831    15468    14448    14663    15105    14343           
  02      15368    12237    12068    11717    12396    11352     9848           
  03      18209E   16110E   13936E   14035E   14361E   17467E   12896E          
  04      16836    14412    13677    13844    15450    16557    10977           
  05      18456    13436    14162    13902    13404    14777    11737           
  06      21749E   17291E   16907E   16033E   17888E   19567E   14426E          
  07      20946E   17400E   16321E   17694E   18654E   18143E   14431E          
  08      18693    14344    14118    12681     -999    12513    12098           
  09      38722    27694    25834    24684    13928    26598    21862           
  10      37684E   31514    28794    27652    31394    30832    26216           
  13      27172    20218    13656    13924    16384    24456    13450           
  14      41116E   39258E   17918E   22428    25814    25244    16486           
  15      27610    24352    22098    24222    25252    25780    20334           
  16      41280E   36910E   31894E   25108    25656    26858     -999           
  17      27662    20618    23294    21802    25546    24528    20996           
  18      31618    29584    26128    27128    31042    32032    22934           
  19      33072    26362    24018    24254    27318    25570    20386           
  21      23988E   20006    20404    21240    23246    24564    18180           
  22      24850    19404    21258    22204    21036    24058     9240           
  23      40110E   37208E   28796E   25888    26004    27744    12217           
  24      31862    24526    23770    23434    27020    30440    11262           
  25      38012    31010    29040    28076    32128    30642    12426           
  26      30394    25578    23464    22088    22880    25888    10585           
  27      37000    30192    31062    29074    30428    36306    13466           
  29      28310    26114    25394    26032    28152    26062    13613           
  30      33946    25180    23992    23280    24984    27444    11099           
  31      40704E   33226E   30580E   31528E   30842E   33618E   13261E          
----------------------------------------------------------------------          
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 GOLD GUAM HARK HOB2 IISC IRKT KELY KERG KIT3 KOKB KOSG   
global: KOUR KWJ1 LPGS MAC1 MADR MALI MAS1 MATE MCM4 MDO1 METS MKEA NLIB NTUS   
global: OHIG ONSA RCM6 REYK SANT STJO TAEJ TAHI THU1 TIDB TSKB UPO1 WES2 WHIT   
global: WTZR WUHN YAR1 YELL ZWEN                                                
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    018      019      020      021      022      023      024    
----------------------------------------------------------------------------    
 ALGO*  1111111  11861    12172    11418    11236    10740    11167    11015    
 AREQ   22    2   2619     2853                                         2829    
 ASC1   11   22   4574     3816                                3961     3662    
 AUCK   11       10718     8793                                                 
 BAHR   1211222  10512     9821    10153    10025    10186    10412     9841    
 BRMU   1111111  11389    11336    10193    11160    10568     8719     9131    
 CAS1      3333                              4405     6507     6182     4910    
 CHAT   1  111    9531                       8894     9134     9229             
 COCO      1 1                               3609              4000             
 CRO1   1 11111   9259              5359     7329     6367     8725     7594    
 DAV1    3  33             6722                       8466     8911             
 DGAR   11        4003     1549                                                 
 DRAO   1111111  11533     8913     9812     9779    11364    11916     8356    
 EISL   1 1  2    5418              5644                       4860             
 FAIR*  2 1 11    7505              5830              7133     6439             
 FORT   2222222   4364     5169     5762     7298     5321     5321     5527    
 GALA   2 222     3414              3708     4322     3035                      
 GOLD*   1   1             3831                               10620             
 GUAM     2                         2115                                        
 HARK   1111111   3242     3518     3293     2930     3137     2980     2907    
 HOB2   1111111  11367     6472     4815     7415     6147     6306     6170    
 IISC     222                       4747     4292     4373                      
 IRKT   1111111   1219     4541     4744     5303     4642     3906     4796    
 KELY   2222213   8006    11751     6861     3390    10232     6996     5924    
 KERG   111 11    8217     5177     5270              6902     6864             
 KIT3   1111 11   8732     8743     8473     8936              8446     8470    
 KOKB*  11   1    5584     6628                                9167             
 KOSG*  1111111  12319    12483    11668    11589    12518     4388    10968    
 KOUR   2233333   6149     4306     4419     5964     4543     5164     4417    
 KWJ1   11    1   5933     4870                                         2927    
 LPGS   2222222   8149     6691     7496     7840     7302     7847    10247    
 MAC1   2121 11  10163    11240    11719    10773              9251    10741    
 MADR*  11   1   12043     3217                                8920             
 MALI   1111111   6053     4645     4281     6688     6250     5611     4640    
 MAS1   2122222  12065     2576    10637     9330     7700     8088     8432    
 MATE*  1111111  11053     8282     8857    10482     9786     9689     9651    
 MCM4   23        6397     6540                                                 
 MDO1*  1111111  11795    10268    10072     8596    10014    11472    10416    
 METS   1111111   7487     7275     7347     6133     7147     8048     6222    
 MKEA   42222     1471    10040     8051     7853     5369                      
 NLIB   111111   12683    10990    10954    10360    11236    11779             
 NTUS   2212122   6208     3503     3675     3236     3655     1999     3689    
 OHIG   12212     5444     5873     5702     5332     5980                      
 ONSA   1111111  13094    13263    13044    12654    12381     8304    12288    
 RCM6   1111111  11789    11618    10516    11703    11333    11128    10436    
 REYK   1121111  10614    10503     9784    10684    10522     9594    10227    
 SANT*  2122222   5931     7338     5661     5112     5097     7516     7108    
 STJO   1111111   8899     9573     7377     7307    10021     7136     7351    
 TAEJ   1111111   3979     2164     3780     2475     3388     4455     2389    
 TAHI   212 11     414     3016     1752              3907     3431             
 THU1   1        12817                                                          
 TIDB*  12       10979     3875                                                 
 TSKB   1111111   5470     4795     4933     3425     5613     4968     3252    
 UPO1   2222112  12276    11345     8558     7991     8630    11524     8106    
 WES2   1111111  14086    14150    13779    14022    13538    14162    13277    
 WHIT   1111111  12677    13384    12501    13626    12497    13284    13389    
 WTZR*  1111111  12852    10182    13019    13246    12158    12660    12673    
 WUHN   1111111   3241     3137     3471     3353     3205     3516     3400    
 YAR1   1         6322                                                          
 YELL*  2222111  12518    13100    12697     9983    12771    13062     9654    
 ZWEN   1111111  12234    12341    12407    12219    11696    11903    11792    
----------------------------------------------------------------------------    
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*  50834.5     918129.4951  -4346071.2586   4561977.8186     3     2     3 
 AREQ   50833.8    1942826.7386  -5804070.2772  -1796893.9808    13     9     4 
 ASC1   50834.5    6118526.0545  -1572344.7421   -876451.1801    18    24    41 
 AUCK   50832.0   -5105681.0384    461564.0311  -3782181.7124     7    13    15 
 BAHR   50834.5    3633909.0095   4425275.4908   2799861.2901    17    16    17 
 BRMU   50834.5    2304703.5766  -4874817.1911   3395186.8901     6     7    15 
 CAS1   50836.0    -901776.2455   2409383.5716  -5816748.3406   118    29    61 
 CHAT   50834.5   -4590670.9786   -275482.9002  -4404596.6825    46    68    29 
 COCO   50835.5    -741950.0628   6190961.7763  -1337768.4495    16    62    72 
 CRO1   50834.8    2607771.1612  -5488076.7869   1932767.6783    10    13    20 
 DAV1   50834.8     486854.4751   2285099.3924  -5914955.6273    51    43    18 
 DGAR   50832.0    1916269.7618   6029977.3127   -801720.1437    34    35    54 
 DRAO   50834.5   -2059164.6901  -3621108.4153   4814432.3851     5     4     7 
 EISL   50833.8   -1884951.6688  -5357595.8785  -2892890.4930     9    14    21 
 FAIR*  50834.2   -2281621.4451  -1453595.8019   5756961.9072     1     1     3 
 FORT   50834.5    4985386.6042  -3954998.5958   -428426.5047    12    32    36 
 GALA   50833.7     -33796.0707  -6377522.6491    -82120.8784    12    18    31 
 GOLD*  50834.5   -2353614.1799  -4641385.4016   3676976.4516     1     4     4 
 GUAM   50833.5   -5071312.8359   3568363.5636   1488904.3509     0     0     0 
 HARK   50834.5    5084625.2847   2670366.3089  -2768494.5059    52   111    48 
 HOB2   50834.5   -3950071.4422   2522415.3135  -4311638.2542    85    80    76 
 IISC   50834.5    1337936.7152   6070317.1514   1427876.5763    32    36    27 
 IRKT   50834.5    -968332.2146   3794425.4162   5018167.7484    30    41   106 
 KELY   50834.5    1575559.2753  -1941827.9302   5848076.4955     8     9     5 
 KERG   50833.9    1406337.2511   3918161.2201  -4816167.3312    56    92    66 
 KIT3   50834.3    1944945.3235   4556652.2326   4004325.9868    11    15    39 
 KOKB*  50833.5   -5543838.1168  -2054587.2120   2387809.7480     6     2     3 
 KOSG*  50834.5    3899225.2440    396731.8398   5015078.3453     1     3     2 
 KOUR   50834.5    3839591.3940  -5059567.5591    579956.9154    12    24    21 
 KWJ1   50833.8   -6160881.0153   1339883.0475    960810.5132    26    56    35 
 LPGS   50834.5    2780102.9701  -4437418.8458  -3629404.5681    11    27    19 
 MAC1   50834.3   -3464038.5761   1334172.9244  -5169224.2670    90   113    61 
 MADR*  50833.5    4849202.4463   -360329.0837   4114913.0972     0     6     3 
 MALI   50834.5    4865366.4583   4110737.4887   -331121.6954    18    21    31 
 MAS1   50834.5    5439192.2500  -1522055.5987   2953454.7007    11    19    19 
 MATE*  50834.5    4641949.6992   1393045.3080   4133287.3416     3     3     5 
 MCM4   50832.0   -1311703.2511    310815.0990  -6213255.1321    12     8    21 
 MDO1*  50834.5   -1329998.6791  -5328393.4028   3236504.1918     3     4     3 
 METS   50834.5    2892570.9174   1311843.3542   5512634.0653     3     5    10 
 MKEA   50833.5   -5464105.1022  -2495166.8450   2148290.9964    16     6    49 
 NLIB   50834.0    -130934.4890  -4762291.7509   4226854.6584     3     8     3 
 NTUS   50834.5   -1508022.7646   6195576.8101    148799.5319    63    69   103 
 OHIG   50833.5    1525872.4823  -2432481.3043  -5676146.0747    28    60    25 
 ONSA   50834.5    3370658.6684    711877.0491   5349786.8852     2     3     8 
 RCM6   50834.5     961334.7502  -5674074.1333   2740535.1285     7    12    16 
 REYK   50834.5    2587384.4935  -1043033.5039   5716563.9880     2     6     7 
 SANT*  50834.5    1769693.3721  -5044574.1448  -3468321.0383     3     4     2 
 STJO   50834.5    2612631.2241  -3426807.0298   4686757.7949     4     7     7 
 TAEJ   50834.5   -3120422.9855   4086355.4764   3761769.6622    37    37    68 
 TAHI   50833.9   -5246568.8858  -3076989.3238  -1913777.4585    44   130    59 
 THU1   50831.5     538981.4088  -1388714.8086   6181005.1557     0     0     0 
 TIDB*  50832.0   -4460996.1702   2682557.0838  -3674443.6455     2     0     8 
 TSKB   50834.5   -3957199.2750   3310199.7115   3737711.7486    24    28    53 
 UPO1   50834.5   -5464031.7885  -2446032.5883   2193283.0981    15    25    35 
 WES2   50834.5    1492233.3632  -4458089.4952   4296046.0071     5     5    26 
 WHIT   50834.5   -2218337.8188  -2201205.1180   5543057.5830     7     6    10 
 WTZR*  50834.5    4075580.6774    931853.6906   4801568.0443     2     2     3 
 WUHN   50834.5   -2267749.2152   5009154.3627   3221290.7943    41    70    25 
 YAR1   50831.5   -2389025.5719   5043316.9255  -3078530.6785     0     0     0 
 YELL*  50834.5   -1224452.5104  -2689216.1163   5633638.2745     3     5     3 
 ZWEN   50834.5    2886325.5337   2155998.4323   5245816.1587     5     9    16 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 018: constrained site GOLD 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 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 HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site MKEA 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                                
 019: constrained site FAIR 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 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 HARK has < 1/2 as many obs as average                                
    : site MADR has < 1/2 as many obs as average                                
    : site MAS1 has < 1/2 as many obs as average                                
    : site NTUS 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                                
    : MAS1 residual dN > 2*RMS =      24 mm                                     
    : MAS1 residual dU > 2*RMS =      41 mm                                     
 020: constrained site TIDB not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site MADR not in data set                                     
    : constrained site GOLD not in data set                                     
    : 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 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site GALA 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 NTUS 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                                
    : ONSA residual dN > 2*RMS =       4 mm                                     
 021: constrained site TIDB not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site FAIR not in data set                                     
    : constrained site MADR not in data set                                     
    : constrained site GOLD not in data set                                     
    : 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 08    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 as many obs as average                                
    : site COCO has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site KELY has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : site TAEJ 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                                
 022: constrained site TIDB not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site MADR not in data set                                     
    : constrained site GOLD not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site HARK has < 1/2 as many obs as average                                
    : site NTUS 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                                
    : KELY residual dU > 2*RMS =      12 mm                                     
    : TAEJ residual dE > 2*RMS =      79 mm                                     
    : ZWEN residual dN > 2*RMS =      12 mm                                     
 023: constrained site TIDB 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 05    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 HARK has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site NTUS 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                                
    : KELY residual dE > 2*RMS =      20 mm                                     
    : REYK residual dE > 2*RMS =      13 mm                                     
 024: constrained site TIDB not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site FAIR not in data set                                     
    : constrained site MADR not in data set                                     
    : constrained site GOLD not in data set                                     
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 22    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site ASC1 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 NTUS has < 1/2 as many obs as average                                
    : site TAEJ 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 dE > 2*RMS =     237 mm                                     
    : MALI residual dE > 2*RMS =      49 mm                                     
    : WES2 residual dU > 2*RMS =      63 mm                                     
--------------------------------------------------------------------------------

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