[IGSREPORT-4982] Wk 0960 NOAA NGS Analysis Report

NOAA/NGS NOAA/NGS
Thu Jun 11 04:56:05 PDT 1998


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IGS Electronic Report    Thu Jun 11  4:56:05 PDT 1998      Message Number 4982
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 0960 NOAA NGS Analysis Report

                                                                                
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NGS ANALYSIS REPORT GPS WEEK 0960 (Dates: 98 May 31 - 98 Jun 06)                
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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 buster.ngs.noaa.gov      
          Paul Spofford   301-713-3205 ext.158   pauls at dancer.ngs.noaa.gov      
fax:                      301-713-4322                                          
                                                                                
                                                                                
PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS09607.SUM         this text file                                            
 NGS09607.ERP         Earth rotation parameters for GPS Week 0960               
 NGS09607.SNX         weekly GPS coordinate solutions for GPS Wk 0960           
 NGS0960n.SP3         GPS ephemerides for GPS Week 0960, 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        
------------------------------------------------------------------------        
 151     636267         11.0       27          62               41              
 152     637968         11.0       27          60               43              
 153     617221         10.7       27          61               39              
 154     626482         11.2       27          60               43              
 155     623174         11.1       27          61               40              
 156     579477         11.0       27          58               38              
 157     595564         11.4       27          59               40              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        151      152      153      154      155      156      157           
----------------------------------------------------------------------          
  01      26961    27250    26264    26055    23836    24143    25587           
  02      29063E   30419E   28180E   29520E   28598E   28315E   26931E          
  03      17306    17664    16026    17681    19173    17238    19213           
  04      23399    22963    21381    24572    21424    23162    22360           
  05      26966E   27838E   25809E   26136E   25459E   23900E   24031E          
  06      18320    17353    17262    16675    18329    18678    17271           
  07      20465    19627    19936    19215    21656    18981    19790           
  08      22297    19590    20892    19813    20789    20550    18170           
  09      44850    47812    46896    45778    41534    39248    40158           
  10      48292    51396    43474    47872    45920    38892    42620           
  13      41934    47596    47136    46426    47140    46738    47150           
  14      47218    47980    43684    47016    50514    42892    47274           
  15      44656    42226    39154    40544    39144    38700    42812           
  16      43394    46018    40478    43764    42694    36538    39466           
  17      48152    50068    45078    42760    43848    40758    43944           
  18      46902    46032    48366    46478    47910    42964    45284           
  19      48232    45622    51310    49972    48136    34886    42810           
  21      47446    44178    43710    44714    44032    41866    42850           
  22      59470E   56308E   54300E   56714E   55726E   51488E   56082E          
  23      47788    51158    47126    48942    47224    41638    41600           
  24      41820    42524    42000    43044    45338    36582    36310           
  25      47948    48122    47156    50008    48354    46994    44656           
  26      44312    40584    42422    39410    38190    42946    38734           
  27      46558    46798    44556    46280    46398    41086    42806           
  29      45548    46406    49032    48226    50254    45116    48702           
  30      54892E   57184E   55366E   54298E   54230E   49830E   49304E          
  31      53568    52516    51698    51384    51234    49858    51860           
----------------------------------------------------------------------          
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 HOB2 IISC IRKT KELY KERG   
global: KIT3 KOKB KOSG KOUR KWJ1 LHAS LPGS MAC1 MADR MALI MASP MATE MCM4 MDO1   
global: METS MKEA NLIB NTUS NYAL OHIG ONSA PERT PIE1 POTS RCM6 REYK SANT SHAO   
global: STJO 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    151      152      153      154      155      156      157    
----------------------------------------------------------------------------    
 ALGO*  1111112  12754    12746    12289    10266    11348    13390    13094    
 AREQ*  1111222   3602     3824     3686     4040     3472     2420     3837    
 ASC1   1111122   6471     6524     6212     3560     6040     5627     3847    
 AUCK   1 11111  11480             10821    11494    11575    11106    11479    
 BAHR   1222222   8722     8671     9310     9269     9134     9046    10663    
 BOGT   2 11222   4833              3833     5590     4955     4094     4220    
 BRMU*  1222222  11679     9289    10646    10628    11372    11443    11303    
 CAS1   2323      9838     9800     9359     8789                               
 CHAT   1111111  11431    10912    10582    10844    10365    10709    10372    
 COCO   1 222     6345              7569     8267     7823                      
 CRO1   1 1 221   8768              7097              9146     8434     8108    
 DAV1*  2223333  10885    11054    10349    10114     9623     7574     7560    
 DGAR   1111112   4857     5961     4956     6269     5776     6050     5901    
 DRAO*  1111  2  13621    13687    13465    13207                       2002    
 EISL   211 222   7962     7690     6823              3228     2860     8430    
 FAIR*  1112222  13761    13827    13811    13767    13885    13493    13452    
 FORT*  212 222   7724     7663     6056              7138     6400     5502    
 GALA   212112    3143     3755     3224     3836     3266     3322             
 GODE*  1111112  11144    12168    11151    12366    12919    13305    13100    
 GOLD*  1122222  12275    12559    12287    12241    11641    11787    11577    
 GRAZ*   112122           10797    12850     9044     7532     8385     8969    
 GUAM*  1111222   7439     8453     5843     8426     8680     7984     8616    
 HART*  11 11     6601     9930              9067     8951                      
 HOB2*  11 1111  12917    12502             12987    12655    12949    12529    
 IISC   122 222   3879     9053     9456              9166     7856     8437    
 IRKT*  11 1  2  11151    10486             11942                      11451    
 KELY     2   3                    13096                               10504    
 KERG*  11 11     9199    11439              9249     9585                      
 KIT3*    2  22                    10702                      10282    11084    
 KOKB*  1222222  14101    13444    12647    13839    14233    13758    13555    
 KOSG*   1 1  1           13315             13452                      12691    
 KOUR*  2111222   7809     6398     5457     5922     7813     6605     6413    
 KWJ1*  1211122   4900     6941     4903     6488     7504     6852     7571    
 LHAS*  2222222   7279     8161     9730     8268     9112     8376     7890    
 LPGS   11111    11231    10733    11281    11545     7137                      
 MAC1*  1111122  10971    10728    10317    10166    10637    11007    10406    
 MADR*  1122122  13231    12953    11649    12217    12548     8397     8510    
 MALI*  2222222   5898     7903     5365     8292     7958     6705     7256    
 MASP*  11222 2  11005    10763    10919     7086    10545             10838    
 MATE*   122222           13616    12085    11341    12070    13230    13769    
 MCM4   2223233  10867    10965    10481     9837     9105     8813     8538    
 MDO1*  1122122  13358    13107    11098    12403    13322    13308    13458    
 METS   111111   12253    12309    12445    12523    12072    12157             
 MKEA   2222222  12017    11795    11089    11878    12083    11860    11684    
 NLIB*  1111112  12362    12495    10247    10097    12706    12642    12373    
 NTUS    2   22            6422                                6457     5743    
 NYAL*  222332   12441    11782    12387    12122    11662    12560             
 OHIG*  1111      9204     9367     9385     9277                               
 ONSA*  111111   13151    13074    12809    13206    12354    11644             
 PERT*  1111111  12277    12560    12469    12532    12084    12028    10213    
 PIE1*  1111112  13740    13737    13712    13634    13583    13838    13149    
 POTS*  1122212  12611    13997    13302    11444    12748     7381    11794    
 RCM6       222                                      12504    12552    12209    
 REYK   1112222  12176    12098    12218    12232    12045    11917    11074    
 SANT*  1111121   8782     8230     8366     9626     9452     1211     6715    
 SHAO*      2                                        10919                      
 STJO   1111112  12213    12351     7722    12046    12330    12862    12895    
 TAEJ   222 222  11195    11628    12825             11566    12846    12483    
 THU1*  2222223  12898    12783    12690    12732    12410    12407    11734    
 TIDB*  1111111  11899    11695    10981    11952    11799    11449    10388    
 TROM*  1122222  12243    10966    12323    12293    11774    12376    11540    
 TSKB*  1221222  10925    11261    10172    10821    11318    11027    11588    
 VILL*  1122122  12137    12374    11623    12110    11869    10372    10798    
 WES2*  1 11212   7320             12142     6904     6610    13482    13406    
 WHIT   1112222  14074    13921    13769    13748    13130    12873    13674    
 WTZR*  1112122  12353    12717    13428     9151    11793    10833    12170    
 WUHN   2 22223  10666             10592    10620    10670    10750    10107    
 YAR1*  1111111  10304    10849     8962    11411    11015    10802    10418    
 YELL*  2222333  14078    13754    13385    13431    13624    13186    10258    
 ZWEN*  11 1 22  11534    11501             12139             11483    11180    
----------------------------------------------------------------------------    
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*  50967.5     918129.4870  -4346071.2352   4561977.8183     1     0     0 
 AREQ*  50967.5    1942826.7475  -5804070.2444  -1796893.9599     0     0     0 
 ASC1   50967.5    6118526.0912  -1572344.6959   -876451.1563     6    19    28 
 AUCK   50967.8   -5105681.0443    461564.0412  -3782181.7166     8     6    12 
 BAHR   50967.5    3633909.0218   4425275.4895   2799861.2958     4     4     9 
 BOGT   50967.8    1744399.0837  -6116037.7364    512731.6317     6    32    22 
 BRMU*  50967.5    2304703.5769  -4874817.1771   3395186.9004     1     0     0 
 CAS1   50966.0    -901776.1685   2409383.3997  -5816748.4459     2     5     9 
 CHAT   50967.5   -4590670.9577   -275482.9383  -4404596.7582     3     5     8 
 COCO   50966.7    -741950.0712   6190961.6481  -1337768.5124     3     5    25 
 CRO1   50967.9    2607771.1634  -5488076.7492   1932767.6924     2     4    11 
 DAV1*  50967.5     486854.5525   2285099.2906  -5914955.7061     1     1     2 
 DGAR   50967.5    1916269.7466   6029977.3798   -801720.1483     4    30    56 
 DRAO*  50966.9   -2059164.6974  -3621108.3930   4814432.3688     1     0     1 
 EISL   50967.5   -1884951.5982  -5357595.8667  -2892890.5011    21    21    37 
 FAIR*  50967.5   -2281621.4583  -1453595.7947   5756961.9076     1     0     0 
 FORT*  50967.5    4985386.6357  -3954998.5837   -428426.4773     0     0     0 
 GALA   50967.0     -33796.0327  -6377522.6158    -82120.8914    19    24    16 
 GODE*  50967.5    1130773.8473  -4831253.5656   3994200.3958     1     0     0 
 GOLD*  50967.5   -2353614.1906  -4641385.3695   3676976.4427     3     0     1 
 GRAZ*  50968.0    4194423.9496   1162702.5861   4647245.3334     0     0     0 
 GUAM*  50967.5   -5071312.7865   3568363.5067   1488904.3182     1     1     0 
 HART*  50966.5    5084625.2968   2670366.2557  -2768494.5401     1     0     0 
 HOB2*  50967.7   -3950071.4212   2522415.1937  -4311638.3078     1     1     0 
 IISC   50967.5    1337936.7681   6070317.1292   1427876.5508     5    10    17 
 IRKT*  50967.0    -968332.2152   3794425.4177   5018167.7451     0     1     1 
 KELY   50968.5    1575559.2592  -1941827.9187   5848076.4819     2     2     2 
 KERG*  50966.5    1406337.3368   3918161.1003  -4816167.3821     2     1     1 
 KIT3*  50968.8    1944945.3249   4556652.2193   4004325.9753     2     1     1 
 KOKB*  50967.5   -5543838.1170  -2054587.1661   2387809.7472     1     0     0 
 KOSG*  50967.8    3899225.2402    396731.8429   5015078.3591     1     0     0 
 KOUR*  50967.5    3839591.4261  -5059567.5402    579956.9411     1     1     1 
 KWJ1*  50967.5   -6160880.9769   1339883.0636    960810.5011     1     1     0 
 LHAS*  50967.5    -106937.7287   5549269.5894   3139215.7724     1     2     0 
 LPGS   50966.5    2780102.9569  -4437418.8607  -3629404.5798     2     5     7 
 MAC1*  50967.5   -3464038.5363   1334172.7782  -5169224.3037     1     1     1 
 MADR*  50967.5    4849202.4667   -360329.0852   4114913.1158     4     2     0 
 MALI*  50967.5    4865366.4774   4110737.4800   -331121.7059     1     1     1 
 MASP*  50967.2    5439192.2654  -1522055.6004   2953454.7351     1     0     0 
 MATE*  50968.0    4641949.6909   1393045.3084   4133287.3524     1     0     0 
 MCM4   50967.5   -1311703.2647    310815.0758  -6213255.1568     4     7    15 
 MDO1*  50967.5   -1329998.6871  -5328393.3904   3236504.1906     1     0     0 
 METS   50967.0    2892570.9115   1311843.3581   5512634.0653     1     3     3 
 MKEA   50967.5   -5464105.1119  -2495166.8099   2148290.9867     1     4     6 
 NLIB*  50967.5    -130934.4939  -4762291.7280   4226854.6562     1     0     0 
 NTUS   50968.5   -1508022.7207   6195576.7181    148799.4631     5    14     6 
 NYAL*  50967.0    1202430.6284    252626.6662   6237767.5176     1     0     0 
 OHIG*  50966.0    1525872.5067  -2432481.2974  -5676146.0902     0     0     1 
 ONSA*  50967.0    3370658.6530    711877.0526   5349786.8769     1     0     0 
 PERT*  50967.5   -2368687.0452   4881316.5328  -3341796.1014     2     1     1 
 PIE1*  50967.5   -1640916.8041  -5014781.2019   3575447.1289     1     0     0 
 POTS*  50967.5    3800689.7640    882077.2937   5028791.2570     1     1     0 
 RCM6   50969.5     961334.7383  -5674074.1085   2740535.1241     2     4     6 
 REYK   50967.5    2587384.4766  -1043033.4876   5716563.9869     4     2     9 
 SANT*  50967.5    1769693.3696  -5044574.1557  -3468321.0523     1     1     0 
 SHAO*  50968.5   -2831733.3048   4675666.0298   3275369.5019     0     0     0 
 STJO   50967.5    2612631.2127  -3426807.0129   4686757.7979     3     8     6 
 TAEJ   50967.5   -3120422.9507   4086355.4427   3761769.5952     2     4     4 
 THU1*  50967.5     538981.3989  -1388714.7887   6181005.1284     0     1     0 
 TIDB*  50967.5   -4460996.1873   2682557.0736  -3674443.6336     1     1     1 
 TROM*  50967.5    2102940.3227    721569.3976   5958192.1099     1     1     0 
 TSKB*  50967.5   -3957199.2316   3310199.6760   3737711.6867     1     1     1 
 VILL*  50967.5    4849833.7884   -335049.1488   4116014.8494     2     2     0 
 WES2*  50967.8    1492233.3665  -4458089.4763   4296045.9991     1     0     0 
 WHIT   50967.5   -2218337.8296  -2201205.1029   5543057.5615     1     3     4 
 WTZR*  50967.5    4075580.6739    931853.6941   4801568.0547     1     0     0 
 WUHN   50967.8   -2267749.1861   5009154.3005   3221290.7255     3     3     9 
 YAR1*  50967.5   -2389025.6090   5043316.8815  -3078530.6694     1     0     0 
 YELL*  50967.5   -1224452.5203  -2689216.1077   5633638.2726     1     1     0 
 ZWEN*  50967.5    2886325.5244   2155998.4226   5245816.1448     0     1     0 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 151: constrained site GRAZ not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site MATE not in data set                                     
    : constrained site KIT3 not in data set                                     
    : constrained site SHAO 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 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 DGAR 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                                
    : DGAR residual dN > 2*RMS =       9 mm                                     
    : DGAR residual dU > 2*RMS =     119 mm                                     
    : GUAM residual dE > 2*RMS =       2 mm                                     
    : WES2 residual dN > 2*RMS =       3 mm                                     
    : YELL residual dE > 2*RMS =       1 mm                                     
 152: constrained site WES2 not in data set                                     
    : constrained site KIT3 not in data set                                     
    : constrained site SHAO 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 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 GALA has < 1/2 as many obs as average                                
    : TIDB residual dU > 2*RMS =       2 mm                                     
 153: constrained site HART not in data set                                     
    : constrained site HOB2 not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site ZWEN not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site SHAO 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 BOGT 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 KWJ1 has < 1/2 as many obs as average                                
    : NLIB residual dN > 2*RMS =       3 mm                                     
 154: constrained site FORT not in data set                                     
    : constrained site KIT3 not in data set                                     
    : constrained site SHAO 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 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 GALA has < 1/2 as many obs as average                                
    : GOLD residual dN > 2*RMS =       7 mm                                     
    : MATE residual dN > 2*RMS =       3 mm                                     
    : VILL residual dN > 2*RMS =       5 mm                                     
 155: constrained site DRAO not in data set                                     
    : constrained site IRKT not in data set                                     
    : constrained site OHIG not in data set                                     
    : constrained site ZWEN not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site KIT3 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 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 EISL has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
 156: constrained site DRAO 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                                     
    : constrained site MASP not in data set                                     
    : constrained site OHIG not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site SHAO 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 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 EISL has < 1/2 as many obs as average                                
    : site GALA has < 1/2 as many obs as average                                
    : site SANT has < 1/2 as many obs as average                                
    : STJO residual dU > 2*RMS =      14 mm                                     
 157: constrained site HART not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site NYAL not in data set                                     
    : constrained site OHIG not in data set                                     
    : constrained site ONSA not in data set                                     
    : constrained site SHAO 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 ASC1 has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site DRAO has < 1/2 as many obs as average                                
    : BOGT residual dE > 2*RMS =      65 mm                                     
--------------------------------------------------------------------------------
                                                                                


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



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