Subject: [IGSREPORT-4164] Wk 0923 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Wed, 24 Sep 1997 4:32:23 PDT

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IGS Electronic Report    Wed Sep 24  4:32:23 PDT 1997      Message Number 4164
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0923 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 0923 (Dates: 97 Sep 14 - 97 Sep 20)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS09237.SUM         this text file                                            
 NGS09237.ERP         Earth rotation parameters for GPS Week 0923               
 NGS09237.SNX         weekly GPS coordinate solutions for GPS Wk 0923           
 NGS0923n.SP3         GPS ephemerides for GPS Week 0923, 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        
------------------------------------------------------------------------        
 257     460482         10.8       26          50               12              
 258     454645         11.0       26          49               12              
 259     504261         10.4       26          53               12              
 260     494015         11.6       26          52               11              
 261     419006         11.7       25          50               12              
 262     444547         10.5       26          50               12              
 263     463019         10.5       26          53               12              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        257      258      259      260      261      262      263           
----------------------------------------------------------------------          
  01      16951    16058    18751    16685    15882    17893    17436           
  02      15659    13846    17568    17826    14492    15590    15866           
  03      17211    17256    19849    19466    16828    18140    18531           
  04      18887    18584    20275    20353    18138    19540    17696           
  05      16572    16521    18202    16460    15800    15195    16886           
  06      17024    17740    18517    17460    16971    15502    17104           
  07      19818    20017    22120    20067    19425    18270    18838           
  09      19596    17399    21644    19203    17723    18009    19926           
  10      33682    36166    41086    39254    32692    33856    35310           
  13      20924    18124    22908    23266    18938    16210    19218           
  14      38922    31034    36028    36908    31522    34392    33820           
  15      35496    34350    40744    39308    35184    36134    38434           
  16      30092    34834    35928    36330    32874    35634    34214           
  17      30078    29906    37192    37254    30624    27788    33572           
  18      37604    34638    39274    40760    35410    35556    36808           
  19      34226    29126    36338    38096    35488    29856    30872           
  21      38734    40612    42914    41932    38914    36592    37970           
  22      35614    34216    37272    39212    34068    35540    35392           
  23      35780    38608    39704    35146    33338    36640    41614           
  24      36564    37954    41036    39594    35990    38614    38044           
  25      37634    38424    39306    39858    34204    36752    38240           
  26      34122    36576    38004    36096    33802    31316    36038           
  27      41280    42902    43042    43580    35128    35040    41480           
  29      45044    43890    45012    45838     -999    40970    34808           
  30      36494    37188    42052    40404    37862    39310    37886           
  31      35238    35900    36830    40154    31456    32616    37752           
----------------------------------------------------------------------          
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 KSTU KWJ1   
global: LHAS LPGS MAC1 MADR MAS1 MATE MCM4 MDO1 METS NLIB ONSA RCM6 REYK SANT   
global: SHAO STJO TAEJ TAHI TAIW THU1 TIDB TSKB UPO1 WES2 WHIT WTZR WUHN YAR1   
global: YELL ZWEN                                                               
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    257      258      259      260      261      262      263    
----------------------------------------------------------------------------    
 ALGO*  1111111  10699    10642    11057    10785    10329     9879     9136    
 AREQ     22222                     4824     6136              3140     1909    
 ASC1   1211      3796     5886     6384     6937                               
 AUCK   1111111  10792    10204    10718    10645     9320    10485    11041    
 BAHR   2222222  11423    10784    10515    10871     9395    10394    10681    
 BRAZ     22222                     7603     8371     7943     3195     5930    
 BRMU   1111111  11176    10892    11070    10679    10409    10290     9572    
 CAS1   3213 2    6615     6450     5884     6552     6619     7183     7857    
 CHAT   1111111   9310     9884     8599     9365     8676     9494     9263    
 CRO1   2211111   8609     7939     8744     8533     8314     7944     6702    
 DGAR   1 22222   4066              4232     4441     4784     4020     3809    
 DRAO   1111111  12027    11899    12278    11929    10259    12222    11601    
 FAIR*  2211312  12436    12525    13171    13078     7999     9718     8840    
 FORT    2222 2            7122     7749     8142     6214              7181    
 GOLD*  1111111  10652    10111    10726    10733    10227    10562    11305    
 GUAM   2111111   5609     4307     8060     7579     8347     7007     4873    
 HARK   1111111   4277     4528     4229     4594     2742     4082     3152    
 HOB2   1111      8834    11497    11352    11522                               
 IISC   2222222   9140     8804     7826     9478     4252     4815     8267    
 IRKT   111   1   9553     9513     8765              9337              9134    
 KELY   3422322   8608     5269    10891    10564     9654    10142    10404    
 KERG   1111111   8197     8321     7825     8379     7688     7903     7213    
 KIT3   1111  1  10067     9535     9084     8615                       7546    
 KOKB*  2222222   6491     5885     7153     6392     5623     5271     6409    
 KOSG*  1111111  11543    11717    11586    12267    11069    12166    12606    
 KOUR   2222222   4721     8606     8250     8322     7373     4930     8145    
 KSTU   111 1    11045    11089    10915              5839                      
 KWJ1   2222222   4189     5280     4155     4436     2812     3415     5534    
 LHAS   2112121   7703     8388     9799     7776     6386     8420     8327    
 LPGS   2  1      8775                      12551    11506                      
 MAC1    2                10960                                         9195    
 MADR*  1111111  11009    11138    10002    12238    11594    10778    11491    
 MAS1   1111211   6462     9331     8820    11369    10546     8295    10521    
 MATE*  1111111  11208    10412     8859    11470    10844    11425    11141    
 MCM4   3222222   8865     7485     7403     8951     6624     6421     8570    
 MDO1*  1111111  11769    11990    11861    12265    11472    11828    11751    
 METS   1  1111  11038                      11267     8377     8700    10896    
 NLIB   1111111  12038    12099    11839    12117    11362    11374    11449    
 ONSA    111111           13040    12939    12613    10315    13025    12882    
 RCM6   1111111   8570     9837    10390     9989     9579     9760    10165    
 REYK   1112311  10325    11046    10865     9909     9669     8820    10749    
 SANT*  2221222   5651     5587     6105     9154     9630     3673      949    
 SHAO   1 11 11  10943             12539    12117             11964     6783    
 STJO   1111111   9333     8472     9993     9406     9056     8819     9518    
 TAEJ       211                                       3350    10865     5844    
 TAHI    22 222            4195                       4069     4313     3129    
 TAIW   2 1212    9522             10325     8978     6965    10128             
 THU1    211 22            6978    12112     4547             12383    10617    
 TIDB*  1111111   9239    10928    11015    11145     8546     9710    10332    
 TSKB   1 11111  10609             10700    10040     6269     8607     6701    
 UPO1   2222222   8969     8109     9248     8483     9532     8826     9936    
 WES2   1111111  13062    12626    13066    12871    12171    10299     9430    
 WHIT   1111211  12480    12468    12912    12746    10129    12772    12652    
 WTZR*  111 111  10213    13025    13198              8125    11444    12996    
 WUHN   1112121  10969     7585    12305     9071    10720    11832     7437    
 YAR1   1111111   5003     7493     7637     7796     7261     7457     6631    
 YELL*  3222312  11799     9375    12216     8190     9365    12482    10831    
 ZWEN   1111  1   9847     9011     8640    10307              8356     9268    
----------------------------------------------------------------------------    
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*  50708.5     918129.5003  -4346071.2539   4561977.8240     3     5     5 
 AREQ   50709.5    1942826.7194  -5804070.2757  -1796893.9749    15    28    21 
 ASC1   50707.0    6118526.1412  -1572344.6858   -876451.1686    10    36    11 
 AUCK   50708.5   -5105681.0291    461564.0561  -3782181.7221     8    11     9 
 BAHR   50708.5    3633909.0516   4425275.5211   2799861.2771     9    14    11 
 BRAZ   50709.5    4115014.0721  -4550641.5186  -1741444.0615     7    28    18 
 BRMU   50708.5    2304703.5809  -4874817.1968   3395186.9015     1     7     9 
 CAS1   50708.5    -901776.1666   2409383.4679  -5816748.5309    26    21    16 
 CHAT   50708.5   -4590670.9536   -275482.9618  -4404596.7597     9    16    12 
 CRO1   50708.5    2607771.1556  -5488076.7870   1932767.6968     3    13    19 
 DGAR   50708.8    1916269.7612   6029977.3476   -801720.1802     7    34    42 
 DRAO   50708.5   -2059164.6949  -3621108.4038   4814432.3797     1     4    10 
 FAIR*  50708.5   -2281621.4423  -1453595.7990   5756961.9090     1     5     2 
 FORT   50708.7    4985386.6400  -3954998.5801   -428426.4881     8    27    25 
 GOLD*  50708.5   -2353614.1883  -4641385.3940   3676976.4546     2     2     2 
 GUAM   50708.5   -5071312.7942   3568363.5160   1488904.2978    34    39    71 
 HARK   50708.5    5084625.3364   2670366.2914  -2768494.5953    29    48    72 
 HOB2   50707.0   -3950071.3857   2522415.1994  -4311638.3282     4     7     9 
 IISC   50708.5    1337936.8273   6070317.1259   1427876.4932    42    52    25 
 IRKT   50708.1    -968332.1831   3794425.4517   5018167.7340    22    39    27 
 KELY   50708.5    1575559.2702  -1941827.9467   5848076.5089     5     6    11 
 KERG   50708.5    1406337.3400   3918161.1413  -4816167.3895    21    28    36 
 KIT3   50707.9    1944945.3498   4556652.2330   4004325.9714     9    18     8 
 KOKB*  50708.5   -5543838.1121  -2054587.2305   2387809.7342     5     4     3 
 KOSG*  50708.5    3899225.2424    396731.8194   5015078.3449     2     2     2 
 KOUR   50708.5    3839591.4173  -5059567.5591    579956.9381     7    23    18 
 KSTU   50707.3    -174281.7017   3571333.0627   5264196.0390    20    56    19 
 KWJ1   50708.5   -6160881.0077   1339883.0075    960810.4793    17    21    34 
 LHAS   50708.5    -106937.6719   5549269.6140   3139215.7372    32    58    15 
 LPGS   50707.8    2780102.9844  -4437418.8551  -3629404.5892     8     3     7 
 MAC1   50709.0   -3464038.5403   1334172.7658  -5169224.3196     5     8     3 
 MADR*  50708.5    4849202.4599   -360329.0709   4114913.0713     2     4     4 
 MAS1   50708.5    5439192.2380  -1522055.6489   2953454.7156     4    10    28 
 MATE*  50708.5    4641949.6998   1393045.2959   4133287.3371     4     3     2 
 MCM4   50708.5   -1311703.2833    310815.0870  -6213255.1562    14    32    12 
 MDO1*  50708.5   -1329998.6785  -5328393.3993   3236504.1994     1     2     4 
 METS   50709.1    2892570.9195   1311843.3470   5512634.0508     2     9     8 
 NLIB   50708.5    -130934.4807  -4762291.7470   4226854.6695     2     6    10 
 ONSA   50709.0    3370658.6618    711877.0379   5349786.8731     3     6     8 
 RCM6   50708.5     961334.7561  -5674074.1258   2740535.1378     3    11    15 
 REYK   50708.5    2587384.4786  -1043033.5135   5716563.9787     4     4     9 
 SANT*  50708.5    1769693.3696  -5044574.1419  -3468321.0450     6     6     2 
 SHAO   50708.7   -2831733.2884   4675666.0561   3275369.5043    15    25    26 
 STJO   50708.5    2612631.2172  -3426807.0452   4686757.8076     2     8    15 
 TAEJ   50710.5   -3120422.9037   4086355.4672   3761769.5875    27    30    59 
 TAHI   50709.5   -5246569.6629  -3076989.9688  -1913777.8013    17    29    52 
 TAIW   50708.3   -3024781.9880   4928936.8504   2681234.4242    29    44    45 
 THU1   50708.9     538981.4101  -1388714.8132   6181005.1351     5     8    12 
 TIDB*  50708.5   -4460996.1530   2682557.0893  -3674443.6645     6     6     5 
 TSKB   50708.8   -3957199.2416   3310199.7147   3737711.6948    20    22    51 
 UPO1   50708.5   -5464031.7636  -2446032.6135   2193283.0594     4     7    14 
 WES2   50708.5    1492233.3743  -4458089.4948   4296046.0099     2     7     9 
 WHIT   50708.5   -2218337.8242  -2201205.1164   5543057.5809     2     3     8 
 WTZR*  50708.5    4075580.6812    931853.6757   4801568.0458     2     2     1 
 WUHN   50708.5   -2267749.1656   5009154.3572   3221290.7294    24    45    53 
 YAR1   50708.5   -2389025.5917   5043316.9942  -3078530.7614     8    16     8 
 YELL*  50708.5   -1224452.5095  -2689216.1161   5633638.2780     2     3     3 
 ZWEN   50708.3    2886325.5363   2155998.4233   5245816.1333     4    10     8 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 257: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 09    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 HARK has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : RCM6 residual dE > 2*RMS =      24 mm                                     
 258: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : PRN 13    has < 2/3 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 TAHI has < 1/2 as many obs as average                                
    : CRO1 residual dU > 2*RMS =      45 mm                                     
    : TIDB residual dN > 2*RMS =      12 mm                                     
 259: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 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                                
    : NLIB residual dE > 2*RMS =      12 mm                                     
 260: constrained site WTZR not in data set                                     
    : PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : 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 THU1 has < 1/2 as many obs as average                                
    : MCM4 residual dU > 2*RMS =      26 mm                                     
    : MDO1 residual dU > 2*RMS =       9 mm                                     
    : WES2 residual dE > 2*RMS =      15 mm                                     
    : ZWEN residual dN > 2*RMS =       8 mm                                     
 261: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 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 TAEJ has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : AUCK residual dE > 2*RMS =      23 mm                                     
    : CHAT residual dE > 2*RMS =      35 mm                                     
    : FAIR residual dE > 2*RMS =      10 mm                                     
    : HARK residual dU > 2*RMS =     169 mm                                     
    : KOSG residual dU > 2*RMS =       4 mm                                     
    : REYK residual dE > 2*RMS =       8 mm                                     
 262: 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 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : PRN 13    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 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                                
 263: PRN 01    has < 2/3 as many obs as average                                
    : PRN 02    has < 2/3 as many obs as average                                
    : PRN 03    has < 2/3 as many obs as average                                
    : PRN 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 09    has < 2/3 as many obs as average                                
    : PRN 13    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 SANT has < 1/2 as many obs as average                                
    : site TAHI has < 1/2 as many obs as average                                
    : BAHR residual dN > 2*RMS =      18 mm                                     
    : FAIR residual dU > 2*RMS =       4 mm                                     
--------------------------------------------------------------------------------

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