[IGSREPORT-5434] Wk 0979 NOAA NGS Analysis Report

NOAA/NGS NOAA/NGS
Thu Oct 22 05:50:49 PDT 1998


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IGS Electronic Report    Thu Oct 22  5:50:49 PDT 1998      Message Number 5434
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0979 NOAA NGS Analysis Report

                                                                                
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NGS ANALYSIS REPORT GPS WEEK 0979 (Dates: 98 Oct 11 - 98 Oct 17)                
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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   billk at ngs.noaa.gov             
          Robert Dulaney  301-713-3209 ext.168   bobd at ngs.noaa.gov              
fax:                      301-713-4322                                          
                                                                                
                                                                                
PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS09797.SUM         this text file                                            
 NGS09797.ERP         Earth rotation parameters for GPS Week 0979               
 NGS09797.SNX         weekly GPS coordinate solutions for GPS Wk 0979           
 NGS0979n.SP3         GPS ephemerides for GPS Week 0979, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page5 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        
------------------------------------------------------------------------        
 284     585365         10.7       27          61               40              
 285     560549         11.4       27          59               38              
 286     567765         10.6       27          60               40              
 287     578888         10.8       27          60               40              
 288     576579         10.9       27          61               41              
 289     566739         10.7       27          59               41              
 290     579159         11.0       27          62               43              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        284      285      286      287      288      289      290           
----------------------------------------------------------------------          
  01      26469    25959    25752    24936    25432    24984    24890           
  02      13869    13877    14360    14187    12967    14031    19983           
  03      20306    18150    17972    18871    19656    19528    20933           
  04      27803E   27790E   26438E   26070E   26820E   25351E   26706E          
  05      12697    12177    12624    10763    11872    11657    12417           
  06      16789    16187    16015    17915    18276    17185    16815           
  07      23644    22360    23599    23834    24158    23580    19613           
  08      24005E   22193E   23285E   23038E   22794E   22664E   23830E          
  09      50810E   48544E   51272E   48690E   49442E   48060E   50226E          
  10      42798    39562    40600    41826    37726    37610    43348           
  13      44094    41786    42610    40392    45908    41362    47390           
  14      33368    33438    32406    33514    31424    35854    30226           
  15      51450E   52322E   50260E   50802E   54622E   52648E   51940E          
  16      43762    42826    41496    42136    42702    40436    43230           
  17      50630E   46752E   46972E   49960E   46164E   46752E   50932E          
  18      37430    34750    34996    36918    37484    36442    44474           
  19      54582E   54556E   54310E   55688E   55500E   52628E   34536E          
  21      30882    33604    31410    33778    28870    34544    36132           
  22      33334    31570    28808    33284    34442    34582    32948           
  23      43680    40070    41066    44784    41544    39490    42738           
  24      54364E   50040E   53618E   54026E   55388E   51268E   52112E          
  25      53900E   52236E   53308E   56424E   55894E   54248E   54554E          
  26      39090    37220    38660    38156    37790    35986    39776           
  27      58436E   56640E   57194E   59518E   61000E   58542E   58626E          
  29      35818    31840    33612    36404    32216    31302    33904           
  30      43804    40016    46810    44944    44346    44690    41686           
  31      37334    35940    36032    37304    36746    39074    39166           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BOGT BRMU CAS1 CHAT COCO CRO1 DAV1 DGAR DRAO   
global: EISL FAIR FORT GALA GODE GOLD GRAZ GUAM HART IISC IRKT KELY KERG KIT3   
global: KOKB KOSG KOUR KWJ1 LHAS LPGS MAC1 MADR MALI MASP MATE MCM4 MDO1 METS   
global: MKEA NLIB NTUS NYAL OHIG ONSA PERT PIE1 POTS SANT SHAO STJO TAEJ THU1   
global: TIDB TROM TSKB VILL WES2 WHIT WTZR WUHN YAR1 YELL                       
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    284      285      286      287      288      289      290    
----------------------------------------------------------------------------    
 ALGO*  2222222  13158    13145    13180    13240    13237    13249    12882    
 AREQ*  3223332   5287     5497     5579     4887     4772     4375     4570    
 ASC1   333333    3619     3637     3637     3169     3514     3532             
 AUCK   2222222  11432    11651    11279    11562    11554    11602    11731    
 BAHR   3334444   7746     7914     8210     7782     9255     7561     7576    
 BOGT   4333332   3470     3460     3205     5096     4218     3617     3057    
 BRMU*  2222222  11215    10695    11356     9680    11783    10829     8258    
 CAS1         5                                                         8179    
 CHAT   2222222  11497    11473    10878     9795     9921    10636    11152    
 COCO       222                                       6074     9343     5441    
 CRO1   222222    6651     8370     6326    10095     7989     6256             
 DAV1*  4  4544   8274                       8718     5622     5801     9365    
 DGAR   222       3346     3214     3047                                        
 DRAO*  2212222  13560    13414    13529    13485    13176    13596    12974    
 EISL   223222    3811     3980     6253     4907     5336     5006             
 FAIR*  2221213  13877    14003    13666    14068    13857    12399    13390    
 FORT*  4344333   4000     3830     3145     3481     4371     4089     4017    
 GALA   43333 3   4203     4853     5130     4803     4093              3972    
 GODE   2222222  13686    13592    13585    13599    13441    13410    13390    
 GOLD*  2222222  11803    12030    11994    11625    10991    11753    11600    
 GRAZ*  12 2222  14469    11921             13765    13996    14231    13880    
 GUAM*  2223222   4937     4250     5811     5391     5234     4931     4799    
 HART*  2222222   7084     8091     7477     6845     5722     5058     5516    
 IISC   3333333   5701     5497     5640     4141     4524     4940     3860    
 IRKT*  2222222  11941    11956    10723     5214    11326    11904     9240    
 KELY   3443435  10963    12104    11207     7472    11282    10905    10584    
 KERG*  2212 22  10316     7326     3606     9917              4999    10002    
 KIT3*      2 2                                      10137              6349    
 KOKB*  2222222  10442    11062    10834    11262     9317    10976    10646    
 KOSG*  1222222  13615    13051    13449    13524    12730    13058    12568    
 KOUR*  4344444   3693     3410     2685     2557     4827     4058     3415    
 KWJ1*  2323232   4096     2898     5036     5262     4644     4131     4833    
 LHAS*  2222222   6102     6086     6880     5294     5743     6306     4739    
 LPGS   33233 2   6844     7014     8386     7002     7859              6309    
 MAC1*  233 223  11044    11107    10523              9378    10333    10372    
 MADR*  2222222  13863    13818    13751    14016    13158    12567    12496    
 MALI*  2223333   5320     5922     5510     6334     5600     4861     5234    
 MASP*  3233333  11321    11917    11600    12023    11303    10985    10862    
 MATE*  2 22222  12260             12067    12331    12000    12253    11925    
 MCM4   4444655   7978     9396     9350     6289     6680     7695     9499    
 MDO1*  2222222  13182    13035    13355    13192    13024    13304    12548    
 METS   11 1  2  11036    11838             12499                      11888    
 MKEA   2223232   9494    10062     9857     9878     7755     9717     9401    
 NLIB*  2222222  12462    12319    12600    12586    12536    12603    11741    
 NTUS   3333333   3495     2930     3478     3038     3197     3735     2391    
 NYAL*  3333435   9937    11111     9516    11847    10056    11456     9471    
 OHIG*  2222222   7731     7179     8174     9066     8860     4663     6309    
 ONSA*   12   2           12984    11224                               11857    
 PERT*  2222222  12538    10846     9560    11137    12480    12450    10602    
 PIE1*  2222222  13474    13470    13626    13297    13274    13502    13224    
 POTS*  1222222  13240    13315    13279    13377    12514    12750    12320    
 SANT*  2222222   4433     5164     7485     5955     5907     4750     6467    
 SHAO*  2222222  11880     9598     8274    11644    10898    11713    11563    
 STJO   2222222  12898    12888    12817    12881    12876    12701    12751    
 TAEJ   2222332  11681    11167    11479     9599    11823    12186    12045    
 THU1*  4443446  11212    11993    11776    11121    10686    11500    10036    
 TIDB*  2222222  11280    11300    11099    10607    10876    11277    11128    
 TROM*    22223                     7903    12001    11393    11915    11213    
 TSKB*  2 22222   8913              9495     8867     9332     9277     8705    
 VILL*  2222222  12830    12855    12862    13085    12424    13495    13508    
 WES2*  2222222  13387    13421    13400    13380    13399    13233    13268    
 WHIT   1221212  13944    13813    13756    14099    13422    12484    13089    
 WTZR*  1222222  14239    13823    13550    13926    13308    13525    13438    
 WUHN   2233222  10841    10803     5322     9758    10009    11034     9559    
 YAR1*  2222222   9222     8841     9100     8880     8022     9247     6259    
 YELL*  2332324  13501    13162    13526    13753    12535    12989    12100    
----------------------------------------------------------------------------    
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*  51100.5     918129.4806  -4346071.2351   4561977.8186     1     1     1 
 AREQ*  51100.5    1942826.7507  -5804070.2436  -1796893.9567     1     1     1 
 ASC1   51100.0    6118526.0818  -1572344.6895   -876451.1752    10    15    31 
 AUCK   51100.5   -5105681.0600    461564.0272  -3782181.7008     3     6    14 
 BAHR   51100.5    3633909.0012   4425275.4972   2799861.3013     3     9     7 
 BOGT   51100.5    1744399.0903  -6116037.7664    512731.6366     6    14    23 
 BRMU*  51100.5    2304703.5711  -4874817.1753   3395186.9043     3     1     1 
 CAS1   51103.5    -901776.1740   2409383.3999  -5816748.4370     0     0     0 
 CHAT   51100.5   -4590670.9775   -275482.9387  -4404596.7464     5     5    16 
 COCO   51102.5    -741950.0910   6190961.5932  -1337768.4923     6     8    54 
 CRO1   51100.0    2607771.1797  -5488076.7552   1932767.6974     2     6    16 
 DAV1*  51101.1     486854.5513   2285099.2895  -5914955.7047     3     2     3 
 DGAR   51098.5    1916269.6943   6029977.3222   -801720.1272    17    34    41 
 DRAO*  51100.5   -2059164.7029  -3621108.3932   4814432.3682     1     1     1 
 EISL   51100.0   -1884951.5916  -5357595.8559  -2892890.5093    15    36    39 
 FAIR*  51100.5   -2281621.4661  -1453595.7971   5756961.9019     1     0     1 
 FORT*  51100.5    4985386.6356  -3954998.5857   -428426.4736     1     2     1 
 GALA   51100.2     -33796.0039  -6377522.6384    -82120.8830     6    16    20 
 GODE   51100.5    1130773.8513  -4831253.5668   3994200.3974     1     1     4 
 GOLD*  51100.5   -2353614.1958  -4641385.3766   3676976.4430     2     3     4 
 GRAZ*  51100.7    4194423.9445   1162702.5927   4647245.3355     2     1     1 
 GUAM*  51100.5   -5071312.7827   3568363.5112   1488904.3217     3     2     2 
 HART*  51100.5    5084625.2986   2670366.2617  -2768494.5342     2     1     1 
 IISC   51100.5    1337936.7511   6070317.1215   1427876.5655     6     9    39 
 IRKT*  51100.5    -968332.2308   3794425.4173   5018167.7411     3     3     2 
 KELY   51100.5    1575559.2589  -1941827.9225   5848076.4968     3     3     4 
 KERG*  51100.3    1406337.3338   3918161.1049  -4816167.3811     4     2     3 
 KIT3*  51102.5    1944945.3153   4556652.2247   4004325.9734     2     0     0 
 KOKB*  51100.5   -5543838.1205  -2054587.1447   2387809.7562     3     1     0 
 KOSG*  51100.5    3899225.2347    396731.8474   5015078.3619     1     1     0 
 KOUR*  51100.5    3839591.4264  -5059567.5408    579956.9447     2     5     6 
 KWJ1*  51100.5   -6160880.9688   1339883.0876    960810.5084     3     3     1 
 LHAS*  51100.5    -106937.7376   5549269.5875   3139215.7771     2     3     2 
 LPGS   51100.2    2780102.9690  -4437418.8556  -3629404.5789     3     8    10 
 MAC1*  51100.5   -3464038.5474   1334172.7840  -5169224.2950     4     3     3 
 MADR*  51100.5    4849202.4610   -360329.0772   4114913.1289     2     1     0 
 MALI*  51100.5    4865366.4664   4110737.4834   -331121.6956     2     2     2 
 MASP*  51100.5    5439192.2657  -1522055.5928   2953454.7378     3     1     1 
 MATE*  51100.8    4641949.6867   1393045.3167   4133287.3535     1     1     1 
 MCM4   51100.5   -1311703.2475    310815.0677  -6213255.1327    14    11    10 
 MDO1*  51100.5   -1329998.6916  -5328393.3913   3236504.1879     1     1     1 
 METS   51100.0    2892570.9126   1311843.3706   5512634.0782     2     4     9 
 MKEA   51100.5   -5464105.1107  -2495166.7805   2148290.9931     2     5     7 
 NLIB*  51100.5    -130934.4988  -4762291.7292   4226854.6545     1     1     2 
 NTUS   51100.5   -1508022.7524   6195576.6675    148799.4658     7    11    25 
 NYAL*  51100.5    1202430.6229    252626.6678   6237767.5237     1     1     2 
 OHIG*  51100.5    1525872.5111  -2432481.3017  -5676146.0889     4     3     2 
 ONSA*  51100.5    3370658.6479    711877.0577   5349786.8819     1     0     1 
 PERT*  51100.5   -2368687.0618   4881316.5357  -3341796.0853     2     3     2 
 PIE1*  51100.5   -1640916.8081  -5014781.2047   3575447.1270     1     1     1 
 POTS*  51100.5    3800689.7593    882077.2988   5028791.2594     2     1     1 
 SANT*  51100.5    1769693.3794  -5044574.1583  -3468321.0486     2     1     1 
 SHAO*  51100.5   -2831733.3168   4675666.0252   3275369.4955     4     4     3 
 STJO   51100.5    2612631.2040  -3426807.0179   4686757.8053     2     4     4 
 TAEJ   51100.5   -3120422.9655   4086355.4332   3761769.5908     3     4     6 
 THU1*  51100.5     538981.3917  -1388714.7900   6181005.1299     3     2     2 
 TIDB*  51100.5   -4460996.2023   2682557.0691  -3674443.6184     2     2     2 
 TROM*  51101.5    2102940.3174    721569.4027   5958192.1130     1     1     1 
 TSKB*  51100.8   -3957199.2310   3310199.6792   3737711.6830     3     3     4 
 VILL*  51100.5    4849833.7871   -335049.1434   4116014.8488     1     1     1 
 WES2*  51100.5    1492233.3621  -4458089.4761   4296045.9984     1     1     1 
 WHIT   51100.5   -2218337.8375  -2201205.1103   5543057.5717     2     2     5 
 WTZR*  51100.5    4075580.6680    931853.7000   4801568.0579     1     1     0 
 WUHN   51100.5   -2267749.2062   5009154.2914   3221290.7207     4     5     6 
 YAR1*  51100.5   -2389025.6249   5043316.8831  -3078530.6515     2     1     1 
 YELL*  51100.5   -1224452.5275  -2689216.1087   5633638.2737     1     1     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 284: constrained site ONSA not in data set                                     
    : constrained site TROM not in data set                                     
    : constrained site KIT3 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 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 BOGT 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 FORT 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                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
 285: constrained site DAV1 not in data set                                     
    : constrained site MATE not in data set                                     
    : constrained site TSKB not in data set                                     
    : constrained site TROM not in data set                                     
    : constrained site KIT3 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 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 BOGT 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 FORT has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : CHAT residual dN > 2*RMS =      10 mm                                     
    : CHAT residual dU > 2*RMS =      35 mm                                     
 286: constrained site DAV1 not in data set                                     
    : constrained site GRAZ not in data set                                     
    : constrained site KIT3 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 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 BOGT has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KERG 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                                
 287: constrained site MAC1 not in data set                                     
    : constrained site ONSA not in data set                                     
    : constrained site KIT3 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 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 FORT has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site IISC 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                                
    : GUAM residual dU > 2*RMS =       4 mm                                     
 288: constrained site KERG not in data set                                     
    : constrained site ONSA 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 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 BOGT has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site IISC 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                                
    : ASC1 residual dN > 2*RMS =      20 mm                                     
    : IRKT residual dE > 2*RMS =       7 mm                                     
    : PIE1 residual dU > 2*RMS =       3 mm                                     
    : SANT residual dU > 2*RMS =       3 mm                                     
    : TAEJ residual dE > 2*RMS =       8 mm                                     
 289: constrained site ONSA not in data set                                     
    : constrained site KIT3 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 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 ASC1 has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : site OHIG has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : FORT residual dE > 2*RMS =       3 mm                                     
    : WHIT residual dN > 2*RMS =       5 mm                                     
 290: 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 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site IISC 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                                
    : FORT residual dU > 2*RMS =       2 mm                                     
--------------------------------------------------------------------------------
                                                                                


[Mailed From: bill kass <billk at ngs.noaa.gov>]



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