Subject: [IGSREPORT-7115] Wk 1057 NOAA NGS Analysis Report
From: kass <[email-masked]>
To: [email-masked]
Date: Mon, 24 Apr 2000 13:45:42 -0400 (EDT)

******************************************************************************
IGS Electronic Report   24 Apr 10:51:44 PDT 2000      Message Number 7115
******************************************************************************

Author: NOAA/NGS GPS Analysis Center                                            
                                                                                
******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 1057 (Dates:  0 Apr 09 -  0 Apr 15)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS10577.SUM         this text file                                            
 NGS10577.ERP         Earth rotation parameters for GPS Week 1057               
 NGS10577.SNX         weekly GPS coordinate solutions for GPS Wk 1057           
 NGS1057n.SP3         GPS ephemerides for GPS Week 1057, 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        
------------------------------------------------------------------------        
 100     595271         11.6       27          65               42              
 101     680040         11.4       28          66               42              
 102     670451         11.1       28          66               43              
 103     653275         10.8       28          68               43              
 104     624071         11.0       27          63               40              
 105     632308         11.0       28          64               40              
 106     621713         10.8       27          65               41              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        100      101      102      103      104      105      106           
----------------------------------------------------------------------          
  01      19579    25495    23278    22835    21596    22665    21051           
  02      20774    25174    23563    24520    23752    27895E   27785E          
  03      20776    24435    21914    22302    22253    22455    21471           
  04      21374    24747    24837    24686    23962    25365    25656           
  05      20713    23551    23776    24802    20740    21028    22735E          
  06      20649    24918    23468    24597    22276    24429    22506           
  07      22434    24788    22543    20669    22130    19098    20317           
  08      19188    21606    22026    19713    20232    19386    20226           
  09      49302    52134    53558    53280    52154    48472    44000           
  10      39136    45456    44154    46108    45854    45114    45420           
  11      35654    43438    40680    40270    40614    35680    31200           
  13      51032    53746    53398    52558    51636    50712    44280           
  14      24730    22222    25400    20350    27618    11508     -999           
  15      53852E   49012E   47010    47468    45384    43830    44114           
  16      47706    49238    48970    49630    50898    46588    44472           
  17      55324E   58866E   57754E   58936E   56320E   37402    37454           
  18      46200    52124    51072    48796    53706    51168    51526           
  19       -999    51874    52502    48660    47634    46296    47358           
  21      47274    52280    49968    49770    52382    51972    53332           
  22      41810    43400    45882    41534    47976    42108    55984E          
  23      47448    47208    49724    47840    42746    48318    47446           
  24      43400    50256    51258    48918     -999    46984    44208           
  25      47396    52224    51894    45360    46314    47600    44022           
  26      38968    40272    39150    41642    43968    46918    43044           
  27      50440    48570    49724    46774    49322    48988    50844           
  29      54864    60258    58326    55372    56922    53324    54628           
  30      43906    49068    50898    50300    47530    51872    48154           
  31      41126    49006    48770    44736    35282    45120    48446           
----------------------------------------------------------------------          
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: FAIR FORT GALA GODE GOL2 GRAZ GUAM HARK HOB2 IISC IRKT KELY KERG KIT3   
global: KOKB KOSG KOUR KSTU LHAS LPGS MAC1 MAG0 MALI MAS1 MATE MAW1 MCM4 MDO1   
global: METS MKEA NLIB NOUM NTUS NYAL OHIG ONSA PERT PETP PIE1 POL2 POTS REYK   
global: RIOG SANT SHAO STJO SUTH THU1 TID2 TIXI TSKB VILL WES2 WHIT WTZR WUHN   
global: YAKZ YAR1 YELL ZWEN                                                     
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    100      101      102      103      104      105      106    
----------------------------------------------------------------------------    
 ALGO*  4433333  11761    10040    12523    13464    12940    13196    13170    
 AREQ*  5555555  11172    13257    12664    11206    11771    12090    11738    
 ASC1   5665666   4469     9573     4421     8562     8219     4412     4534    
 AUCK*  3333332   9637     9698    10794    11703    10110    11272    11253    
 BAHR*  6556666   5834     7200     5284     5838     7868     8054     6054    
 BAKO   5445455   7723     7652     8224     6884     8717     8072     7851    
 BRMU*  3333333   9055    11721    10711    10976    10964    10387     9710    
 CAS1*  >>>8>99   9398    10964    10940    10425    10565    11137    10634    
 CHAT*  3333333   9733     9679    11052    11631    10781    11846    11827    
 COCO   7667665   9015     8513     8509     7876     9775     9987     9915    
 CRO1   5444444   9200    11839    11734     9471    10966     9993     9613    
 DAV1*  >>>7687  11789    16098    15881    16212    15566    16560    16658    
 DGAR   5555566   5955     3186     6581     2493     2334     2765     2980    
 DRAO*  3433333  12232    12770    13202    11534    11867    14193    13356    
 FAIR*  5644433   9012     9603    10955    10888    11372    12556    11052    
 FORT*  3433333   4469              5068     3442     4442     4402     5297    
 GALA   544555    8415    14037    13608    13461    12872    12366             
 GODE     43334                    13287    13948    13321    13268    12792    
 GOL2*  4444334   8983    10438     9459     6193     8714    10756     9675    
 GRAZ*  2223 23  10563    12068    12116    10491              9507    10846    
 GUAM*  6544365   3004     2395                                2938     3212    
 HARK*  3443      6348     6506     6698     6721                               
 HOB2*  444 333  11442    11767     7294             10806    11612    11297    
 IISC     47766                     2413                                1848    
 IRKT*  3333333   8794     9878     9888    10296     9272     9884     9481    
 KELY    5   44            7523                                4504     7403    
 KERG*  4443     10642    12557    11587    12939                               
 KIT3*      44                                       10928    11212             
 KOKB*  5565555   6840     7906     5882     6758     7249     7921     7682    
 KOSG*  333333   12411    13269    13977    13164    11854    11448             
 KOUR*   444454           12285    10227     6948     8765     8304     9314    
 KSTU   4344444  10735    12187    12075    13001    11368    11561    12120    
 LHAS*     2233                              4439     4165              3217    
 LPGS   5444444  11808    12093    12414    11083    11078    11579    11636    
 MAC1*  7855      7778     9318     8746     7846                               
 MAG0   3 33333   6700              6244     6917     6001     5848     6627    
 MALI*  4545575   3003     3429     3429     2859     2823     3016     3168    
 MAS1*  5666655   9792     9972    11677     9354     9456    10305    10220    
 MATE*  4445444   9961    12059    11477    10004    13373     9263    10525    
 MAW1   7875556   8924    14745    14817    15317    16678    17532    17410    
 MCM4*  >>>7669   3957     6224     6568     8576     7410     6919     5190    
 MDO1*  2322322   7053     9500    10289     9410     9757     9430     9232    
 METS    3 3333           11878             12559    12398    12201    11879    
 MKEA   3333333   6334     7070     5617     5024     6323     7455     6641    
 NLIB*  333 333   9221     9910     9633             10101     9751    10157    
 NOUM   5554     10628    11237    11254    12009                               
 NTUS   5555567   7472     4388     6668     5989     8882     7840     7740    
 NYAL*  9675566  12195    13907    14251    13275    12933    13209    13823    
 OHIG*  3233322  12758    13435    12910    10700    10118    10149    12839    
 ONSA*  33333 3  13630    14055    14303    13419    13739             14030    
 PERT*     2                                 8250                               
 PETP   3433444   6954     9402     6445     7111     6159     6031     6842    
 PIE1*  2222322   8382    10568    10226     9410    10022    10803     9858    
 POL2   32 3333   7830    10059              7046     6810     9474     7108    
 POTS*  3333333  13518    14789    14307    13273    13956    12647    12869    
 REYK   54 3323  10903    11940             10781    10444    10118    11377    
 RIOG   3333332  12582    13184    12361    11408    10460    10102    11949    
 SANT*  6667666  11776    12973    11985    11560    11330    13364    11631    
 SHAO*   332  2            3791     5351     5219                       4973    
 STJO   3332334  11999    13092    12470    13003    12503    12329    11772    
 SUTH   2222222   9248     9300     9534    10031     2807     3104     3443    
 THU1*  >865665   9935    11078    13180    12986    12412     9697    11739    
 TID2*  4443333  13089    13909     8864     9201    11860    12853    12602    
 TIXI   6653445  11788    13108    12904    13244    11929    12717    12991    
 TSKB*  3 23332   5794              5717     6193     5480     4878     5259    
 VILL*  3333333  10039    10680    12083    10541    11074    10616    10460    
 WES2*  3333333  11160    11600    12952    13639    13044    12808    12232    
 WHIT   4533322   9783    10839    11389    10503    11387    12565    11021    
 WTZR*  3334444  14393    13041    14764    14467    13950    14221    14146    
 WUHN   3333333   7054     5040     5974     6678     5229     6072     6404    
 YAKZ   4443      8196    11758    11090    11884                               
 YAR1*  2222222   8050     7412     7729     7503     8920     8706     8517    
 YELL*  7665544  10421    11112    12191    11809    11624    12540    12155    
 ZWEN*  5444444  12601    10570    11455    12165    11863    11629    10207    
----------------------------------------------------------------------------    
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*  15122.5     918129.4539  -4346071.2515   4561977.8136     1     0     0 
 AREQ*  15122.5    1942826.7764  -5804070.2600  -1796893.9547     1     1     1 
 ASC1   15122.5    6118526.0728  -1572344.7095   -876451.1534     7    10    16 
 AUCK*  15122.5   -5105681.0800    461564.0465  -3782181.6853     2     2     2 
 BAHR*  15122.5    3633908.9584   4425275.5104   2799861.3432     4     1     2 
 BAKO   15122.5   -1836969.0108   6065617.0864   -716257.8066     6    10    21 
 BRMU*  15122.5    2304703.5544  -4874817.1856   3395186.8992     1     1     0 
 CAS1*  15122.5    -901776.1578   2409383.4048  -5816748.4902     1     2     2 
 CHAT*  15122.5   -4590670.9887   -275482.8642  -4404596.7358     2     2     1 
 COCO   15122.5    -741950.1503   6190961.6786  -1337768.4598     3     4    19 
 CRO1   15122.5    2607771.1959  -5488076.7436   1932767.6966     2     6     9 
 DAV1*  15122.5     486854.5580   2285099.3035  -5914955.7395     1     2     3 
 DGAR   15122.5    1916269.5988   6029977.3829   -801720.0876     7    55    29 
 DRAO*  15122.5   -2059164.7334  -3621108.4040   4814432.3450     1     1     0 
 FAIR*  15122.5   -2281621.5061  -1453595.8073   5756961.8766     1     0     0 
 FORT*  15122.8    4985386.6381  -3954998.5994   -428426.4701     1     0     0 
 GALA   15122.0     -33795.9431  -6377522.6545    -82120.8825     3     7     8 
 GODE   15123.5    1130773.8234  -4831253.5806   3994200.3929     2     2     4 
 GOL2*  15122.5   -2353614.2286  -4641385.3747   3676976.4211     1     1     0 
 GRAZ*  15122.3    4194423.9169   1162702.6153   4647245.3449     1     0     0 
 GUAM*  15122.5   -5071312.7904   3568363.5243   1488904.3016     1     0     0 
 HARK*  15121.0    5084625.3174   2670366.3047  -2768494.5214     1     0     0 
 HOB2*  15122.5   -3950071.4910   2522415.2182  -4311638.2620     1     1     1 
 IISC   15123.5    1337936.7070   6070317.1268   1427876.6175     7    38    13 
 IRKT*  15122.5    -968332.2733   3794425.4240   5018167.7289     2     1     1 
 KELY   15123.5    1575559.2137  -1941827.9322   5848076.4768     2     3     9 
 KERG*  15121.0    1406337.3243   3918161.1215  -4816167.4053     1     3     1 
 KIT3*  15124.0    1944945.2715   4556652.2329   4004325.9785     0     0     0 
 KOKB*  15122.5   -5543838.1519  -2054587.0542   2387809.7854     1     0     0 
 KOSG*  15122.0    3899225.2144    396731.8673   5015078.3716     1     0     0 
 KOUR*  15123.0    3839591.4244  -5059567.5589    579956.9476     1     1     0 
 KSTU   15122.5    -174281.8041   3571333.0229   5264196.0391     2     3     5 
 LHAS*  15123.8    -106937.8182   5549269.5836   3139215.7941     0     1     0 
 LPGS   15122.5    2780102.9906  -4437418.8805  -3629404.5873     2     2    13 
 MAC1*  15121.0   -3464038.5689   1334172.8241  -5169224.3018     1     1     1 
 MAG0   15122.8   -2825810.2202   1581232.9158   5477005.4676     1     3     5 
 MALI*  15122.5    4865366.4283   4110737.4874   -331121.6773     1     3     4 
 MAS1*  15122.5    5439192.2562  -1522055.5731   2953454.7489     2     1     1 
 MATE*  15122.5    4641949.6614   1393045.3418   4133287.3729     0     0     0 
 MAW1   15122.5    1111287.1787   2168911.2856  -5874493.6494     2     4     4 
 MCM4*  15122.5   -1311703.2132    310815.0646  -6213255.1488     2     1     3 
 MDO1*  15122.5   -1329998.7140  -5328393.3951   3236504.1626     1     0     0 
 METS   15123.3    2892570.8781   1311843.3762   5512634.0800     2     3     3 
 MKEA   15122.5   -5464105.1590  -2495166.6897   2148291.0258     2     4    16 
 NLIB*  15122.5    -130934.5244  -4762291.7350   4226854.6366     0     0     0 
 NOUM   15121.0   -5739971.6099   1387563.6181  -2402123.4470     1     5     2 
 NTUS   15122.5   -1508022.7939   6195576.6772    148799.4401     6    14    19 
 NYAL*  15122.5    1202430.5973    252626.6747   6237767.5309     1     1     1 
 OHIG*  15122.5    1525872.5531  -2432481.3137  -5676146.1298     3     2     2 
 ONSA*  15122.2    3370658.6290    711877.0755   5349786.8973     1     0     0 
 PERT*  15122.5   -2368687.1263   4881316.5619  -3341796.0315     0     0     0 
 PETP   15122.5   -3576239.7800   1401003.4561   5075177.4558     1     5    12 
 PIE1*  15122.5   -1640916.8353  -5014781.2138   3575447.1006     0     1     0 
 POL2   15122.7    1239971.4976   4530790.0782   4302578.7724     1     1    11 
 POTS*  15122.5    3800689.7292    882077.3182   5028791.2629     1     1     0 
 REYK   15122.7    2587384.4271  -1043033.4986   5716563.9712     1     3     7 
 RIOG   15122.5    1429907.7656  -3495354.7822  -5122698.7080     2     4     6 
 SANT*  15122.5    1769693.4162  -5044574.1705  -3468321.0471     1     1     1 
 SHAO*  15122.5   -2831733.3733   4675666.0104   3275369.4609     1     1     0 
 STJO   15122.5    2612631.1785  -3426807.0381   4686757.8140     2     3    10 
 SUTH   15122.5    5041274.8547   1916054.0756  -3397076.0668     4    27    23 
 THU1*  15122.5     538981.3565  -1388714.8046   6181005.1269     2     1     1 
 TID2*  15122.5   -4460996.2479   2682557.0837  -3674443.5768     1     1     1 
 TIXI   15122.5   -1264873.0949   1569455.7904   6031003.4255     2     2     4 
 TSKB*  15122.8   -3957199.2448   3310199.6892   3737711.6544     1     1     0 
 VILL*  15122.5    4849833.7718   -335049.1176   4116014.8616     1     1     1 
 WES2*  15122.5    1492233.3329  -4458089.4896   4296045.9967     1     0     0 
 WHIT   15122.5   -2218337.8716  -2201205.1108   5543057.5393     1     3     6 
 WTZR*  15122.5    4075580.6431    931853.7215   4801568.0678     1     0     0 
 WUHN   15122.5   -2267749.2763   5009154.2859   3221290.6936     2     4     8 
 YAKZ   15121.0   -1915023.3058   2308213.1944   5610224.9573     2     3     4 
 YAR1*  15122.5   -2389025.6876   5043316.9113  -3078530.6010     1     0     0 
 YELL*  15122.5   -1224452.5633  -2689216.1244   5633638.2598     1     0     1 
 ZWEN*  15122.5    2886325.5004   2155998.4612   5245816.1217     2     1     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 100: constrained site KOUR not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site PERT 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                                
    : PRN 08    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 FORT has < 1/2 as many obs as average                                
    : site GUAM has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site MCM4 has < 1/2 as many obs as average                                
    : COCO residual dU > 2*RMS =      41 mm                                     
    : IRKT residual dE > 2*RMS =       2 mm                                     
    : NTUS residual dU > 2*RMS =      39 mm                                     
    : OHIG residual dU > 2*RMS =       5 mm                                     
    : STJO residual dE > 2*RMS =       6 mm                                     
    : WUHN residual dN > 2*RMS =       5 mm                                     
 101: constrained site FORT not in data set                                     
    : constrained site TSKB not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site PERT 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                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 14    has < 2/3 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site GUAM 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                                
    : site SHAO has < 1/2 as many obs as average                                
    : site WUHN has < 1/2 as many obs as average                                
    : CHAT residual dU > 2*RMS =       2 mm                                     
    : MAW1 residual dU > 2*RMS =       9 mm                                     
    : PETP residual dU > 2*RMS =      27 mm                                     
 102: constrained site GUAM not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site PERT 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                                
    : PRN 08    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 FORT has < 1/2 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : BAHR residual dN > 2*RMS =      10 mm                                     
    : NYAL residual dE > 2*RMS =       2 mm                                     
 103: constrained site GUAM not in data set                                     
    : constrained site HOB2 not in data set                                     
    : constrained site NLIB 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                                
    : PRN 08    has < 2/3 as many obs as average                                
    : PRN 14    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 LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : CHAT residual dN > 2*RMS =       5 mm                                     
    : DGAR residual dE > 2*RMS =     117 mm                                     
    : GOL2 residual dE > 2*RMS =       2 mm                                     
 104: constrained site GRAZ not in data set                                     
    : constrained site GUAM not in data set                                     
    : constrained site HARK not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site PERT 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 08    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 LHAS has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site SUTH has < 1/2 as many obs as average                                
    : DGAR residual dU > 2*RMS =      64 mm                                     
    : GALA residual dN > 2*RMS =       6 mm                                     
    : RIOG residual dE > 2*RMS =       8 mm                                     
 105: constrained site HARK not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site ONSA not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site PERT 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                                
    : 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 KELY has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site SUTH has < 1/2 as many obs as average                                
    : site TSKB has < 1/2 as many obs as average                                
    : BAKO residual dU > 2*RMS =      45 mm                                     
    : SUTH residual dU > 2*RMS =      52 mm                                     
 106: constrained site HARK not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site KOSG not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site PERT 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 ASC1 has < 1/2 as many obs as average                                
    : site DGAR 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 SUTH has < 1/2 as many obs as average                                
    : AREQ residual dE > 2*RMS =       3 mm                                     
    : ONSA residual dN > 2*RMS =       3 mm                                     
--------------------------------------------------------------------------------