Subject: [IGSREPORT-7068] Wk 1054 NOAA NGS Analysis Report
From: kass <[email-masked]>
To: [email-masked]
Date: Fri, 7 Apr 2000 07:34:12 -0400 (EDT)

******************************************************************************
IGS Electronic Report   07 Apr 04:39:58 PDT 2000      Message Number 7068
******************************************************************************

Author: NOAA/NGS GPS Analysis Center                                            
                                                                                
******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 1054 (Dates:  0 Mar 19 -  0 Mar 25)                
******************************************************************************* 
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]             
          Robert Dulaney  301-713-3209 ext.168   [email-masked]              
fax:                      301-713-4322                                          

PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS10547.SUM         this text file                                            
 NGS10547.ERP         Earth rotation parameters for GPS Week 1054               
 NGS10547.SNX         weekly GPS coordinate solutions for GPS Wk 1054           
 NGS1054n.SP3         GPS ephemerides for GPS Week 1054, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page5 developed at NOAA                                   
 Terr. Ref. Frame     nominally, ITRF97 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        
------------------------------------------------------------------------        
 079     659904         11.2       28          67               42              
 080     674637         11.5       28          67               42              
 081     690507         11.4       28          67               42              
 082     636950         11.3       28          66               44              
 083     664131         11.5       28          67               45              
 084     674443         11.2       28          68               45              
 085     657745         11.2       28          66               43              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        079      080      081      082      083      084      085           
----------------------------------------------------------------------          
  01      26542    26713    28628    26150    28062    28052    28462           
  02      16738    17276    18487    16945    17186    17213    21159           
  03      22403    23333    23206    20580    21612    22250    21866           
  04      27483E   27051E   28856E   26013E   26263E   27596E   25863E          
  05      14599    15542    15573    13311    13034    14344    14331           
  06      17305    17082    18039    17069    17639    18622    18532           
  07      24574    24261    23767    23231    23604    24503    20293           
  08      29570E   30003E   30710E   28386E   29050E   28893E   27953E          
  09      57188E   58610E   60520E   54670E   56466E   60216E   58620E          
  10      47232    46288    46882    45810    44712    45800    42850           
  11      55380E   55518E   58162E   53004E   50606E   54590E   55682E          
  13      40636    36988    44366    39492    42424    41636    39038           
  14      30332    30038    30558    24760    26170    27378    28828           
  15      55112E   58186E   59682E   53380E   50872E   56936E   57338E          
  16      34804    41044    36258    34074    39282    39154    37178           
  17      53594E   56440E   57826E   55796E   58584E   54964E   55906E          
  18      43202    46106    42910    40028    44336    40402    47372           
  19      57298E   57888E   58436E   54188E   56438E   54738E   41068E          
  21      52942    56530    53602    51190    55214    56344    52500           
  22      38358    37258    43564    34862    38414    39438    39022           
  23      42682    44578    48664    45006    45916    44982    46728           
  24      52272E   53634E   56982E   53604E   55518E   56370E   53720E          
  25      58978E   63740E   62066E   57594E   62308E   63578E   61098E          
  26      42420    43364    41950    43912    44316    45664    41564           
  27      57358E   55626E   60562E   54030E   56690E   55570E   55472E          
  29      50210    50730    49732    49032    50152    52818    50062           
  30      51556    53888    51604    47744    54222    51738    49526           
  31      39826    40298    42156    38354    42722    43624    45000           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BAKO BRMU CAS1 CHAT COCO CRO1 DAV1 DGAR DRAO   
global: EISL FAIR FORT GALA GODE GOL2 GRAZ GUAM HARK HOB2 IISC IRKT KELY KERG   
global: KIT3 KOKB KOSG KOUR KSTU LHAS LPGS MAC1 MAG0 MALI MAS1 MATE MAW1 MCM4   
global: MDO1 METS MKEA NLIB NOUM NTUS NYAL OHIG ONSA PERT PETP PIE1 POL2 POTS   
global: REYK RIOG SANT STJO SUTH THU1 TID2 TIXI VILL WES2 WHIT WTZR WUHN YAKZ   
global: YAR1 YELL ZWEN                                                          
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    079      080      081      082      083      084      085    
----------------------------------------------------------------------------    
 ALGO*  3333444  13292    13608    13109    11188    13064    11809    13354    
 AREQ*  5566555  10280    10409     9966    11066    11585    12711     9479    
 ASC1   6777767   3768     3620     3837     3984     3511     3280     6023    
 AUCK*  3333333  11761    12550    12326    11968    10865    12028    11963    
 BAHR*  6655556   7649     7506     8436     8305     6842     8854     8231    
 BAKO   4444544   9141     9283     3528     2972     8912     8848     9279    
 BRMU*  3333233  11528    11655    11224     9656     9906     9081    10137    
 CAS1*  9779>>>  11690    11469    12119    11628    11246    11894    11825    
 CHAT*  3333333  12128    12766    12185    12101    11576    11634    11624    
 COCO   5555655  10368    10259    10799     9739    10111     9180    10133    
 CRO1   4444444  11567    11236    10926    10739    11049     8807     8720    
 DAV1*  7557779  17392    15669    17164    17084    15478    17347    16949    
 DGAR   4555545   3240     2753     2833     2722     3196     2978     2804    
 DRAO*  3333333  11306    14401    11590    11978    10924    13784    13751    
 EISL   333       6105     5760     5063                                        
 FAIR*  4434444  11048    11802    12314    11415    10660    10853    10730    
 FORT*  4545545   4554     4302     4254     4567     3911     3651     3792    
 GALA   5566566  11494    11668    11412    11541    11602     8738    11085    
 GODE   33344 4  13215    13675    12955     8095    12418             13029    
 GOL2*  3334333  12528    11038    11145     8318    11162    10166    10113    
 GRAZ*  2222222   9391     9812    10786     9060    10297    10681    10369    
 GUAM*  5675575   3269     3357     3399     3071     3036     2808     2603    
 HARK*  3333333   5597     5749     6236     6129     6074     6131     5568    
 HOB2*  3333333  12417    11929    12355    12705    12592    14187    14279    
 IISC   4556534   4676     4536                       2761     1653             
 IRKT*  3333233   7819     8842     9746     7127     7031    10152     9462    
 KELY   543  56   4154     5320     3038                       6877     5467    
 KERG*    34333                     7788    12949    12703    13113    13268    
 KIT3*      43                                       11676    12101             
 KOKB*  5454555   7888    10091     9266     9621     8941     8188     8675    
 KOSG*     3333                             12092    13007    13338    12581    
 KOUR*  5666555   9390     9019     8493     8873     8931     6393     7996    
 KSTU        33                                               12380    13364    
 LHAS*  22 3323   5287     4993              4480     4306     3392     4130    
 LPGS   4444445  11548    11681    12759    12033    12420    11533    13226    
 MAC1*  5434555  12085    12352    10957     9712     9036    10409    10430    
 MAG0   3333233  10166    10697    11020    10449     9408     9737     9644    
 MALI*  4553335   3332     3028     3260     3317     3605     3477     3188    
 MAS1*  7776666  10419    10790    10973    10305    11815     9899     8887    
 MATE*  4444444   9770    10121    10257     8990     9938     9989     9855    
 MAW1   6346667  12493    16630    10839    15486    17667    15719    15534    
 MCM4*  7668987   7547     8425     7695     6488     5799     7003     7080    
 MDO1*  2222222  10434    10157     9404     9004     9219     7438     9533    
 METS   3333333  12991    13002    13096    13062    12577    13600    13333    
 MKEA   3333333   7124     8597     8241     9474     7830     7292     7411    
 NLIB*  3222333  11435    11142    10371     9835    10009     9063    10225    
 NOUM   5453     11507    11742    12070    12146                               
 NTUS   5566555   3088     6917     6936     7857     7428     7529     7868    
 NYAL*  8677867  10389    11819    12301    10571    11167    12441    11424    
 OHIG*  3333434   8835    10693    10051    13519    12825    13460    13536    
 ONSA*  3333333  12769    13631    13817    13289    13518    14247    14190    
 PERT*  3222223  10919    11097    11899    10139    10481    10950             
 PETP   3333233   9620    10652    11003     9789     9277     9710     9698    
 PIE1*  2222222  10913    10998     9406     7958     9687     9920    10332    
 POL2   2222222   7537     7731     9849     6979     7107     8052     7152    
 POTS*  3333333  14637    14515    13420    13189    13296    14124    13903    
 REYK   3223333  10424    11049     9739    10665    11392    12152    11019    
 RIOG     34444                    12742    11690    12146    12607    13012    
 SANT*  6666676  11023    13058    12639    10447    12330    12063    13156    
 STJO   3334344  12786    13090    12967    13293    12671    13061    12028    
 SUTH   2222222   8275     8735     9154     8821     8596     8726     8156    
 THU1*  8768879   7689     8819     8032     8498     9444     9487     7707    
 TID2*  3333333  12850    12540    13977    13788    12643    11487    11963    
 TIXI     3                        12961                                        
 VILL*  3333333   9581    10066    11440    10587    12011    10703    10101    
 WES2*  3333333  13268    13546    12727    10985    11654    10679    12444    
 WHIT   3223333  11345    12344    12284    10996    11847    11685    12090    
 WTZR*  4334333  12014    12105    14992    10961    14629    14794    14957    
 WUHN   3333333   5334     5596     6005     4962     4967     5066     4606    
 YAKZ   33       10545    10539                                                 
 YAR1*  2222222   8593     9624     8493     7853     9310     8902     9012    
 YELL*  6446655  11840    12475    12989    11365    11356    11814    11254    
 ZWEN*  3334434  12469    12303    12600    12537    11910    12641    12483    
----------------------------------------------------------------------------    
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*  15101.5     918129.4549  -4346071.2519   4561977.8133     1     0     0 
 AREQ*  15101.5    1942826.7750  -5804070.2603  -1796893.9561     1     1     1 
 ASC1   15101.5    6118526.0914  -1572344.7185   -876451.1665     5    16    15 
 AUCK*  15101.5   -5105681.0830    461564.0413  -3782181.6852     3     3     6 
 BAHR*  15101.5    3633908.9598   4425275.5107   2799861.3401     2     3     1 
 BAKO   15101.5   -1836969.0139   6065617.0951   -716257.8082     6    10    23 
 BRMU*  15101.5    2304703.5545  -4874817.1860   3395186.8978     1     1     0 
 CAS1*  15101.5    -901776.1578   2409383.4076  -5816748.4882     2     1     1 
 CHAT*  15101.5   -4590670.9911   -275482.8660  -4404596.7340     3     1     3 
 COCO   15101.5    -741950.1416   6190961.6531  -1337768.4532     1     8    19 
 CRO1   15101.5    2607771.1908  -5488076.7489   1932767.6997     2     5     6 
 DAV1*  15101.5     486854.5570   2285099.3014  -5914955.7422     3     2     3 
 DGAR   15101.5    1916269.6019   6029977.4496   -801720.0867     9    35    36 
 DRAO*  15101.5   -2059164.7319  -3621108.4043   4814432.3438     1     1     0 
 EISL   15099.5   -1884951.5406  -5357595.9535  -2892890.5587     2    15    11 
 FAIR*  15101.5   -2281621.5046  -1453595.8070   5756961.8777     1     1     0 
 FORT*  15101.5    4985386.6382  -3954998.5993   -428426.4700     0     1     0 
 GALA   15101.5     -33795.9498  -6377522.6458    -82120.8846     2    13     5 
 GODE   15101.2    1130773.8253  -4831253.5750   3994200.3863     2     3     6 
 GOL2*  15101.5   -2353614.2279  -4641385.3743   3676976.4218     1     1     0 
 GRAZ*  15101.5    4194423.9190   1162702.6146   4647245.3426     1     0     0 
 GUAM*  15101.5   -5071312.7903   3568363.5237   1488904.3026     1     0     0 
 HARK*  15101.5    5084625.3177   2670366.3047  -2768494.5222     1     0     0 
 HOB2*  15101.5   -3950071.4893   2522415.2176  -4311638.2635     1     1     0 
 IISC   15101.0    1337936.6756   6070317.1289   1427876.6230     7     7    51 
 IRKT*  15101.5    -968332.2732   3794425.4222   5018167.7283     3     3     1 
 KELY   15101.3    1575559.2246  -1941827.9396   5848076.4976     6     8    11 
 KERG*  15102.5    1406337.3270   3918161.1171  -4816167.4059     1     3     2 
 KIT3*  15103.0    1944945.2729   4556652.2342   4004325.9751     2     1     0 
 KOKB*  15101.5   -5543838.1507  -2054587.0583   2387809.7841     1     1     0 
 KOSG*  15103.0    3899225.2157    396731.8666   5015078.3698     1     1     0 
 KOUR*  15101.5    3839591.4244  -5059567.5610    579956.9491     1     1     1 
 KSTU   15104.0    -174281.8024   3571333.0380   5264196.0443     1     1     0 
 LHAS*  15101.7    -106937.8146   5549269.5834   3139215.7940     2     2     1 
 LPGS   15101.5    2780102.9992  -4437418.8875  -3629404.5940     3     5    11 
 MAC1*  15101.5   -3464038.5658   1334172.8252  -5169224.3030     2     1     1 
 MAG0   15101.5   -2825810.2298   1581232.9138   5477005.4930    13     5    18 
 MALI*  15101.5    4865366.4290   4110737.4883   -331121.6770     2     4     2 
 MAS1*  15101.5    5439192.2558  -1522055.5739   2953454.7506     2     2     1 
 MATE*  15101.5    4641949.6635   1393045.3408   4133287.3713     1     0     0 
 MAW1   15101.5    1111287.1781   2168911.2819  -5874493.6500     4     3     4 
 MCM4*  15101.5   -1311703.2154    310815.0656  -6213255.1475     1     1     2 
 MDO1*  15101.5   -1329998.7135  -5328393.3947   3236504.1635     1     0     0 
 METS   15101.5    2892570.8795   1311843.3841   5512634.0731     2     2     5 
 MKEA   15101.5   -5464105.1411  -2495166.7027   2148291.0202     2     5    11 
 NLIB*  15101.5    -130934.5240  -4762291.7344   4226854.6379     1     0     0 
 NOUM   15100.0   -5739971.6342   1387563.6264  -2402123.4577     5    10    13 
 NTUS   15101.5   -1508022.7843   6195576.6779    148799.4439     7    16    21 
 NYAL*  15101.5    1202430.6004    252626.6748   6237767.5287     1     1     2 
 OHIG*  15101.5    1525872.5522  -2432481.3113  -5676146.1351     2     3     4 
 ONSA*  15101.5    3370658.6305    711877.0764   5349786.8956     1     0     0 
 PERT*  15101.0   -2368687.1228   4881316.5616  -3341796.0344     2     1     1 
 PETP   15101.5   -3576239.7902   1401003.4536   5075177.4895     2     3    11 
 PIE1*  15101.5   -1640916.8351  -5014781.2139   3575447.1012     1     0     0 
 POL2   15101.5    1239971.5026   4530790.0824   4302578.7672     2     5     7 
 POTS*  15101.5    3800689.7316    882077.3184   5028791.2601     2     0     0 
 REYK   15101.5    2587384.4321  -1043033.5021   5716563.9781     4     5     9 
 RIOG   15102.5    1429907.7632  -3495354.7785  -5122698.7144     3     6    14 
 SANT*  15101.5    1769693.4154  -5044574.1698  -3468321.0485     2     1     1 
 STJO   15101.5    2612631.1762  -3426807.0304   4686757.8061     3     3     6 
 SUTH   15101.5    5041274.8311   1916054.0592  -3397076.0502     2     5    23 
 THU1*  15101.5     538981.3565  -1388714.8019   6181005.1294     1     0     1 
 TID2*  15101.5   -4460996.2451   2682557.0845  -3674443.5801     1     1     1 
 TIXI   15100.5   -1264873.0959   1569455.8197   6031003.4459     0     0     0 
 VILL*  15101.5    4849833.7727   -335049.1194   4116014.8617     1     1     1 
 WES2*  15101.5    1492233.3342  -4458089.4895   4296045.9962     1     0     0 
 WHIT   15101.5   -2218337.8736  -2201205.1146   5543057.5492     2     2     8 
 WTZR*  15101.5    4075580.6458    931853.7215   4801568.0652     1     0     0 
 WUHN   15101.5   -2267749.2554   5009154.3008   3221290.7060     4     6    33 
 YAKZ   15099.0   -1915023.3022   2308213.2245   5610224.9838     0     3     2 
 YAR1*  15101.5   -2389025.6852   5043316.9107  -3078530.6036     1     1     0 
 YELL*  15101.5   -1224452.5621  -2689216.1238   5633638.2611     1     0     0 
 ZWEN*  15101.5    2886325.4852   2155998.4484   5245816.1458     8     2     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 079: constrained site KERG 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 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                                
    : site ASC1 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 GUAM has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site KELY has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : CRO1 residual dE > 2*RMS =      11 mm                                     
    : STJO residual dU > 2*RMS =      13 mm                                     
    : YAR1 residual dU > 2*RMS =       1 mm                                     
 080: constrained site KERG 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 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                                
    : site ASC1 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 GUAM has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : FORT residual dU > 2*RMS =       1 mm                                     
    : PERT residual dU > 2*RMS =       1 mm                                     
 081: constrained site LHAS not in data set                                     
    : constrained site KOSG 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                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site BAKO 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 KELY has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
 082: constrained site KIT3 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 14    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site BAKO 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 GUAM has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : KOKB residual dE > 2*RMS =       2 mm                                     
    : WHIT residual dN > 2*RMS =       4 mm                                     
 083: 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 14    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 FORT has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : MAS1 residual dE > 2*RMS =       3 mm                                     
    : OHIG residual dE > 2*RMS =       6 mm                                     
    : OHIG residual dU > 2*RMS =       8 mm                                     
    : PERT residual dE > 2*RMS =       2 mm                                     
 084: 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 14    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 FORT has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : POTS residual dN > 2*RMS =       3 mm                                     
 085: constrained site PERT 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 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                                
    : site DGAR 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 LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : CRO1 residual dN > 2*RMS =       4 mm                                     
--------------------------------------------------------------------------------