Subject: [IGSREPORT-6273] Wk 1017 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Fri, 16 Jul 1999 8:52:46 PDT

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IGS Electronic Report    Fri Jul 16  8:52:46 PDT 1999      Message Number 6273
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 1017 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 1017 (Dates: 99 Jul 04 - 99 Jul 10)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS10177.SUM         this text file                                            
 NGS10177.ERP         Earth rotation parameters for GPS Week 1017               
 NGS10177.SNX         weekly GPS coordinate solutions for GPS Wk 1017           
 NGS1017n.SP3         GPS ephemerides for GPS Week 1017, SP3 format (n=0..6)    
------------------------------------------------------------------------------  
                                                                                
SOLUTION CHARACTERISTICS:                                                       
------------------------------------------------------------------------------  
 Software             page5 developed at NOAA                                   
 Terr. Ref. Frame     nominally, ITRF96 at current epoch                        
 Observables          double-differenced carrier phase at 30-sec. intervals     
 Arc Length           24 hours                                                  
 Elevation Cutoff     15 degrees                                                
 Reference            file://igscb.jpl.nasa.gov/igscb/center/analysis/noaa.acn  
------------------------------------------------------------------------------  
                                                                                
STATISTICAL SUMMARY OF DAILY SOLUTIONS:                                         
------------------------------------------------------------------------        
          NUMBER      POST-FIT                                                  
 DOY   OBSERVATIONS   RMS (MM)   NO. SAT.   NO. SITES   NO. CONST. SITES        
------------------------------------------------------------------------        
 185     640438         11.4       27          63               36              
 186     683514         11.6       27          66               40              
 187     650769         12.5       27          62               38              
 188     616268         11.9       26          64               38              
 189     632864         11.7       26          62               37              
 190     665766         11.7       26          65               37              
 191     676860         12.5       26          65               38              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        185      186      187      188      189      190      191           
----------------------------------------------------------------------          
  01      22016    26683    23569    21702    21835    24612    25812           
  02      17325    19618    19726    19760    21524    21972    21409           
  03      30355E   31941E   31520E   29956E   29952E   31454E   33534E          
  04      21678    26110    25826    23226    23183    23824    26029           
  05      22231    23941    22686    22356    21878    23027    22785           
  06      29372E   30787E   29133E   28936E   28654E   31020E   31489E          
  07      30483E   32846E   31856E   29697E   31164E   32076E   32859E          
  08      24219    25932    24651    23218    24905    25897    25934           
  09      46754    49538    46406    45598    52898    54986    54952           
  10      46702    51342    50762    46176    48196    50506    50430           
  13      28540    28556    28984     -999     -999     -999     -999           
  14      61322E   48104E   47378    49468    50626    51360    49672           
  15      38306    42138    36894    36100    37622    38130    38884           
  16      60062E   52964E   50964    49952    52178    54226    56572           
  17      40192    44738    41890    43506    42914    45902    46830           
  18      37460    48394    44548    43394    43162    52980    50282           
  19      40178    42990    42280    39070    42100    42606    43158           
  21      40126    48848    45022    42682    44164    49292    50702           
  22      38766    42460    39746    39422    39980    42860    43646           
  23      62580E   58270E   56074    53956    54946    56798    57724           
  24      47308    52502    46454    48546    51430    51320    48362           
  25      51562    58506    55356    50902    46740    51660    53566           
  26      44044    46564    44974    43598    45724    45466    43048           
  27      43378    47824    44908    42774    48126    51352    52672           
  29      48584    50962    48302    49894    49712    51038    54294           
  30      50116    52164    50572    50786    49762    51676    54914           
  31      59538E   64448E   62090E   59010E   59258E   61610E   64310E          
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BAKO BOGT BRMU CHAT COCO CRO1 DAV1 DGAR DRAO   
global: EISL FAIR FORT GALA GODE GOLD GOUG GRAZ GUAM HART HOB2 IISC IRKT KELY   
global: KERG KIT3 KOKB KOSG KOUR KWJ1 LHAS LPGS MAC1 MADR MAG0 MALI MATE MAW1   
global: MCM4 MDO1 METS MKEA NLIB NOUM NTUS NYAL ONSA PERT PIE1 POTS REYK RIOG   
global: SANT SEY1 SHAO STJO SUTH THU1 TIDB TIXI TROM TSKB VILL WES2 WHIT WTZR   
global: WUHN YAR1 YELL ZWEN                                                     
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    185      186      187      188      189      190      191    
----------------------------------------------------------------------------    
 ALGO*  2222222  14093    13493    11922     6115    12872    14029    13991    
 AREQ*  2222222   7595     8988     8795     8951     8279     6950     8869    
 ASC1   2222222   5361     3811     4546     5136     5570     4942     7728    
 AUCK   1111221  10956    11051    11033    10909    10712    11010    11082    
 BAHR   33 3322   8945    11538              9037     9084    11175    11112    
 BAKO   4233333   9042     8104     7386     9875    10992    10622    10823    
 BOGT   3333  3   6026     7365     6102     7036                       6587    
 BRMU*  3332333   8604     8722    10487     4421     6259    12856    10403    
 CHAT   1211221   9565    10695     9825     9726    10549    10159    10905    
 COCO   2         9737                                                          
 CRO1   222       6514     6412     6719                                        
 DAV1*  2242333  10562    11390     8347    10676     9565    10502    10222    
 DGAR    222222            5563     3848     3754     4688     6053     5290    
 DRAO*  2222222  13411    13274    13322    13249    12326    13320    13003    
 EISL   2222222   6956     8300     7786     8088     7347     6462     6995    
 FAIR*        2                                                        12196    
 FORT*  2212222   5481     4624              5182     6239     5867     6712    
 GALA   2  2222   6970                       7788     6869     5385     8107    
 GODE   2322222  12700    12590    12338     7537    10893    13190    13232    
 GOLD*  2222222  10740    10737    11128    11224    10835    12024    11198    
 GOUG       111                                       9231     7587     9310    
 GRAZ*  3223322  13359    13389    13832    13113    12968    12997    12758    
 GUAM*  2222222   5654     7565     7124     6543     7298     6944     7004    
 HART*  1111111   9761     4393     8102     4350     9901     9652     9537    
 HOB2   2222221  10942    12377    11580    10219    12684    12597    12747    
 IISC   3  2222   2039                                         4530     5223    
 IRKT*  2233 22  10714     9997    11617     3978              9025     9344    
 KELY   234  33  10947     8584                                6497    11235    
 KERG*  2121122  10228     7652     7857    11467     9771     8696     8070    
 KIT3*  2222222   9302     8836     8423     6240     7654     9236     9951    
 KOKB*   222222            7265     8284              9453     9956     6801    
 KOSG*  232222   13253    13834    13861    13397    12839    12996             
 KOUR*  22222 2   4812     4130     4993     5072                       4636    
 KWJ1*  4524333   4638              6017     4944     6011     5950     6303    
 LHAS*  22222     5642     8524              2905     6650                      
 LPGS   2222122  10242     8881    11955    12093    12157     8627    11465    
 MAC1*   121212           11177     9118     8365    10605    10582    11065    
 MADR*  2322332  13277    13471    13907    11463    13386     9856    13166    
 MAG0   2222222  10859    11917    11741    11545    11818    11846    11550    
 MALI*  32222     6510     2836              6554     7127                      
 MATE*  3333322  13364    13119    13625    12769    12604    13207    13048    
 MAW1   2242423  12281    12882    10462    12267    11295    11987    11976    
 MCM4   3464434   8479     9564     7123     8595     8404     9136     9133    
 MDO1*  2222222  12026    11971    12455    12724    10235    12782    12491    
 METS   22 22    12834    12672             12647    12076                      
 MKEA   4323323   7153     7316     7942     7739     8711     9544     7347    
 NLIB*  2222222  11674    11498    11699    11824    11918    12005    12092    
 NOUM   2222222  11580    11921    11934     8306    11531     9008     8949    
 NTUS        3                                                 4917             
 NYAL*  2332433  11992    12753    12304    11539    10775     9382    11090    
 ONSA*  2222222  13812    13761    13310    13283    13239    13490    11616    
 PERT*   221122           11767    11385    12022    12037    12191    12223    
 PIE1*  2222222  12155    12247    12812    12872    12445    13354    12716    
 POTS*  2222222  13556    12935    12877    13283    13048    13669    12743    
 REYK   2222222  11063    11066    10991    10561    10601    10419    10577    
 RIOG    111111           11667    11858    11848    11663    10783    11374    
 SANT*  2222222   8592    10529    10482    10616    10299     9067    10007    
 SEY1   2242233   5429     4184     6036     7595     7800     7747     7384    
 SHAO*   22 222            8623     8558              8632    11288    11125    
 STJO   2222222  12376    12578    12063     9836    10220    10458    12252    
 SUTH   1111111  12979     5944    12968     6095    12968    13016    13051    
 THU1*  333  33  12024    11201    12154                       5924    11618    
 TIDB*  2222222  11010    12165    11556    11195    11399    11560    11744    
 TIXI   2 32422  12688             12804     8376    10412    11279    11901    
 TROM*  22322    11470    12618    12296    12642                               
 TSKB*  2222223   8850     9853     9994     9834    10297    10338     9924    
 VILL*   332332           13623    13500    13509    11589    10556    12531    
 WES2*  2322322  13206    13131    12449     4413     6662    13184    13121    
 WHIT   222222   13674    13247    13547    13390    12276    13252             
 WTZR*  3322322  13483    14036    14249    13595    13596    13808    13613    
 WUHN    232 22           10513    10561     9756             11334    11360    
 YAR1*  2221111   9482    13812    14093    11833    12545     9929    12517    
 YELL*  2232323  13344    13209    13106    13331    12235    13176    12777    
 ZWEN*  2222222  11146    11387    10384    11144    10448    10843    11028    
----------------------------------------------------------------------------    
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*  51366.5     918129.4695  -4346071.2371   4561977.8211     3     1     1 
 AREQ*  51366.5    1942826.7600  -5804070.2446  -1796893.9464     1     1     1 
 ASC1   51366.5    6118526.0763  -1572344.7200   -876451.1489     4    15    32 
 AUCK   51366.5   -5105681.0716    461564.0310  -3782181.6765     4     5     7 
 BAHR   51366.7    3633908.9973   4425275.5019   2799861.3242     4     4     6 
 BAKO   51366.5   -1836968.9987   6065617.0977   -716257.7953     5     8    16 
 BOGT   51365.9    1744399.0836  -6116037.7065    512731.6354     4    16    17 
 BRMU*  51366.5    2304703.5645  -4874817.1806   3395186.9089     2     3     2 
 CHAT   51366.5   -4590670.9889   -275482.9112  -4404596.7253     4     7     7 
 COCO   51363.5    -741950.1301   6190961.6242  -1337768.4735     0     0     0 
 CRO1   51364.5    2607771.1947  -5488076.7574   1932767.7055     2    12    24 
 DAV1*  51366.5     486854.5517   2285099.2784  -5914955.7157     2     4     3 
 DGAR   51367.0    1916269.6664   6029977.3366   -801720.1038    14    12    26 
 DRAO*  51366.5   -2059164.7141  -3621108.3935   4814432.3572     2     1     2 
 EISL   51366.5   -1884951.6025  -5357595.9225  -2892890.5403     5    18    16 
 FAIR*  51369.5   -2281621.4838  -1453595.7990   5756961.8917     0     0     0 
 FORT*  51366.7    4985386.6366  -3954998.5871   -428426.4662     2     3     1 
 GALA   51367.1     -33795.9935  -6377522.6194    -82120.8776     2    19    12 
 GODE   51366.5    1130773.8417  -4831253.5800   3994200.4075     5     2    12 
 GOLD*  51366.5   -2353614.2123  -4641385.3744   3676976.4384     2     2     5 
 GOUG   51368.5    4795578.5514   -835299.4881  -4107634.0201     7     8    13 
 GRAZ*  51366.5    4194423.9325   1162702.6043   4647245.3437     1     1     1 
 GUAM*  51366.5   -5071312.7794   3568363.5158   1488904.3215     2     2     1 
 HART*  51366.5    5084625.2998   2670366.2778  -2768494.5179     1     3     1 
 HOB2   51366.5   -3950071.4631   2522415.1942  -4311638.2591     4     4     7 
 IISC   51367.2    1337936.7031   6070317.1193   1427876.5806     3     4    58 
 IRKT*  51366.3    -968332.2460   3794425.4180   5018167.7394     3     3     3 
 KELY   51366.5    1575559.2389  -1941827.9278   5848076.5012     1     3     7 
 KERG*  51366.5    1406337.3237   3918161.1016  -4816167.3957     2     5     5 
 KIT3*  51366.5    1944945.3015   4556652.2288   4004325.9761     3     2     4 
 KOKB*  51367.1   -5543838.1263  -2054587.0978   2387809.7781     2     2     0 
 KOSG*  51366.0    3899225.2240    396731.8590   5015078.3704     2     3     1 
 KOUR*  51365.9    3839591.4220  -5059567.5435    579956.9512     3     6     5 
 KWJ1*  51366.8   -6160880.9516   1339883.1360    960810.5358     2     4     2 
 LHAS*  51365.5    -106937.7780   5549269.5831   3139215.7825     0     5     2 
 LPGS   51366.5    2780102.9795  -4437418.8771  -3629404.5791     2     7    10 
 MAC1*  51367.0   -3464038.5586   1334172.7938  -5169224.2850     2     5     3 
 MADR*  51366.5    4849202.4651   -360329.0504   4114913.1243     2     2     1 
 MAG0   51366.5   -2825810.2041   1581232.9327   5477005.5318     5     4     7 
 MALI*  51365.5    4865366.4519   4110737.4931   -331121.6882     3     7     9 
 MATE*  51366.5    4641949.6717   1393045.3298   4133287.3646     1     2     1 
 MAW1   51366.5    1111287.1764   2168911.2613  -5874493.6290     3     5     7 
 MCM4   51366.5   -1311703.2432    310815.0538  -6213255.1668     5     5     8 
 MDO1*  51366.5   -1329998.6999  -5328393.3911   3236504.1832     1     1     1 
 METS   51365.5    2892570.8936   1311843.3731   5512634.0754     2     3     5 
 MKEA   51366.5   -5464105.1184  -2495166.7341   2148291.0112     4     7    18 
 NLIB*  51366.5    -130934.5087  -4762291.7260   4226854.6498     3     1     2 
 NOUM   51366.5   -5739971.5894   1387563.6187  -2402123.4366     5     6     7 
 NTUS   51368.5   -1508022.7721   6195576.5775    148799.4584     0     0     0 
 NYAL*  51366.5    1202430.6119    252626.6733   6237767.5246     1     2     1 
 ONSA*  51366.5    3370658.6366    711877.0673   5349786.8856     1     1     1 
 PERT*  51367.0   -2368687.0968   4881316.5393  -3341796.0488     2     1     6 
 PIE1*  51366.5   -1640916.8179  -5014781.2078   3575447.1181     1     2     1 
 POTS*  51366.5    3800689.7470    882077.3098   5028791.2693     2     1     1 
 REYK   51366.5    2587384.4490  -1043033.5008   5716563.9869     2     5     5 
 RIOG   51367.0    1429907.7534  -3495354.7638  -5122698.6887     4     9     7 
 SANT*  51366.5    1769693.3980  -5044574.1654  -3468321.0407     2     3     2 
 SEY1   51366.5    3602870.7244   5238174.4018   -516275.4999     5     9    37 
 SHAO*  51367.1   -2831733.3397   4675666.0158   3275369.4806     4     2     5 
 STJO   51366.5    2612631.1948  -3426807.0228   4686757.8159     4     6    10 
 SUTH   51366.5    5041274.7950   1916054.0328  -3397076.0340     2     6     7 
 THU1*  51366.3     538981.3751  -1388714.7936   6181005.1312     2     2     3 
 TIDB*  51366.5   -4460996.2253   2682557.0686  -3674443.5800     2     2     2 
 TIXI   51366.8   -1264873.0706   1569455.7954   6031003.4499     5     6    10 
 TROM*  51365.0    2102940.3024    721569.4072   5958192.1169     1     0     1 
 TSKB*  51366.5   -3957199.2274   3310199.6862   3737711.6756     2     3     3 
 VILL*  51367.0    4849833.7793   -335049.1328   4116014.8669     2     3     1 
 WES2*  51366.5    1492233.3495  -4458089.4787   4296046.0046     4     1     2 
 WHIT   51366.0   -2218337.8439  -2201205.1084   5543057.5523     2     4     6 
 WTZR*  51366.5    4075580.6564    931853.7112   4801568.0643     2     1     1 
 WUHN   51366.9   -2267749.2197   5009154.2744   3221290.7039     7     7    11 
 YAR1*  51366.5   -2389025.6620   5043316.8857  -3078530.6158     2     1     1 
 YELL*  51366.5   -1224452.5418  -2689216.1109   5633638.2697     1     2     2 
 ZWEN*  51366.5    2886325.5029   2155998.4436   5245816.1501     3     3     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 185: constrained site KOKB not in data set                                     
    : constrained site MAC1 not in data set                                     
    : constrained site PERT not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site VILL not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site KWJ1 has < 1/2 as many obs as average                                
 186: constrained site KWJ1 not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site HART has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : site MALI has < 1/2 as many obs as average                                
    : site SEY1 has < 1/2 as many obs as average                                
    : BAKO residual dN > 2*RMS =      11 mm                                     
    : HOB2 residual dE > 2*RMS =       8 mm                                     
 187: constrained site FORT not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site MALI not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    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 KOUR has < 1/2 as many obs as average                                
    : ALGO residual dN > 2*RMS =       5 mm                                     
    : BAKO residual dU > 2*RMS =      36 mm                                     
    : GRAZ residual dE > 2*RMS =       2 mm                                     
    : GRAZ residual dU > 2*RMS =       2 mm                                     
    : NLIB residual dN > 2*RMS =       7 mm                                     
    : PIE1 residual dE > 2*RMS =       4 mm                                     
 188: constrained site THU1 not in data set                                     
    : constrained site KOKB not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site BRMU has < 1/2 as many obs as average                                
    : site DGAR has < 1/2 as many obs as average                                
    : site HART has < 1/2 as many obs as average                                
    : site IRKT has < 1/2 as many obs as average                                
    : site LHAS has < 1/2 as many obs as average                                
    : site WES2 has < 1/2 as many obs as average                                
    : FORT residual dU > 2*RMS =       2 mm                                     
 189: constrained site IRKT not in data set                                     
    : constrained site KOUR not in data set                                     
    : constrained site THU1 not in data set                                     
    : constrained site TROM not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    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                                
    : GODE residual dU > 2*RMS =      25 mm                                     
 190: constrained site KOUR not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site MALI not in data set                                     
    : constrained site TROM not in data set                                     
    : constrained site FAIR 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 04    has < 2/3 as many obs as average                                
    : PRN 05    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 IISC has < 1/2 as many obs as average                                
    : site NTUS has < 1/2 as many obs as average                                
    : FORT residual dN > 2*RMS =       5 mm                                     
    : HART residual dE > 2*RMS =       7 mm                                     
    : HART residual dU > 2*RMS =       3 mm                                     
    : KERG residual dU > 2*RMS =      11 mm                                     
    : LPGS residual dN > 2*RMS =       3 mm                                     
    : POTS residual dE > 2*RMS =       2 mm                                     
    : YELL residual dU > 2*RMS =       3 mm                                     
 191: constrained site KOSG not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site MALI not in data set                                     
    : constrained site TROM 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 04    has < 2/3 as many obs as average                                
    : PRN 05    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site IISC has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : POTS residual dN > 2*RMS =       5 mm                                     
    : VILL residual dN > 2*RMS =       4 mm                                     
--------------------------------------------------------------------------------

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