Subject: [IGSREPORT-7019] Wk 1052 NOAA NGS Analysis Report
From: kass <[email-masked]>
To: [email-masked]
Date: Thu, 23 Mar 2000 06:26:41 -0500 (EST)

******************************************************************************
IGS Electronic Report   23 Mar 03:32:23 PST 2000      Message Number 7019
******************************************************************************

Author: NOAA/NGS GPS Analysis Center                                            
                                                                                
******************************************************************************* 
NGS ANALYSIS REPORT GPS WEEK 1052 (Dates:  0 Mar 05 -  0 Mar 11)                
******************************************************************************* 
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:                                                         
------------------------------------------------------------------------------  
 NGS10527.SUM         this text file                                            
 NGS10527.ERP         Earth rotation parameters for GPS Week 1052               
 NGS10527.SNX         weekly GPS coordinate solutions for GPS Wk 1052           
 NGS1052n.SP3         GPS ephemerides for GPS Week 1052, 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        
------------------------------------------------------------------------        
 065     601736         11.2       28          64               40              
 066     598440         11.3       28          63               38              
 067     595879         11.4       27          64               40              
 068     652039         11.5       28          64               40              
 069     681175         11.8       28          66               41              
 070     629945         11.6       28          66               40              
 071     582133         11.7       28          62               38              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        065      066      067      068      069      070      071           
----------------------------------------------------------------------          
  01      22014    23662    23503    24827    26179    22436    23091           
  02      13419    13572    14132    16675    16873    17123    14023           
  03      22619    22158    21344    22195    24095    22256    19188           
  04      23427E   22052E   26131E   26297E   27795E   24543E   23991E          
  05      15710    14483    16450    14994    17134    16281    15636           
  06      17862    16307    17576    18153    19169    17896    14851           
  07      19633    19893    20409    21824    24020    20165    19749           
  08      25096E   25211E    -999    28606E   28514E   25993E   24447E          
  09      55034E   53952E   28037E   61410E   61300E   58160E   54504E          
  10      39896    38956    43414    44908    47214    39768    37376           
  11      51544E   49514E   49924E   56808E   57234E   52916E   50066E          
  13      37018    36892    38060    43170    40576    41600    36914           
  14      32002    31840    32432    32732    36860    34470    30756           
  15      53212E   53884E   53750E   58594E   59754E   56218E   50078E          
  16      28734    33694    34480    36286    38702    32608    35882           
  17      54266E   53648E   54134E   52412E   55864E   52202E   45628E          
  18      36146    36894    36964    40794    43870    45146    39812           
  19      47204E   49542E   48988E   53386E   53420E   47544E   48876E          
  21      50110    47466    49430    53344    53414    50596    46412           
  22      31700    34076    34644    38410    39248    35432    29444           
  23      45914    45654    42672    44884    46608    47278    40432           
  24      47148E   43196E   50708E   48708E   53296E   48500E   45354E          
  25      55970E   56258E   59092E   58382E   64186E   60324E   50192E          
  26      42316    40442    44856    42526    42740    40612    38906           
  27      48902E   49590E   51260E   55588E   57436E   50622E   47898E          
  29      45364    44678    48544    47378    50732    48526    44520           
  30      46520    49228    46850    49280    53812    51110    46872           
  31      34912    32800    36392    37936    38526    32872    34392           
----------------------------------------------------------------------          
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 DGAR DRAO EISL   
global: FAIR FORT GALA GODE GOL2 GRAZ GUAM HOB2 IISC IRKT KELY KOKB KOSG KOUR   
global: KSTU LHAS LPGS MAC1 MAG0 MALI MAS1 MATE MAW1 MCM4 MDO1 METS MKEA NLIB   
global: NOUM NTUS NYAL OHIG ONSA PERT PETP PIE1 POL2 POTS REYK RIOG SANT SHAO   
global: STJO SUTH THU1 TID2 TIXI TSKB VILL WES2 WHIT WTZR WUHN YAKZ YAR1 YELL   
global: ZWEN                                                                    
-----------------------------------------------------------------------------   
                                                                                
NUMBER OF OBSERVATIONS BY SITE AND DOY (AVERAGE PER BASELINE):                  
----------------------------------------------------------------------------    
       ION CODE$                                                                
 SITE   0123456    065      066      067      068      069      070      071    
----------------------------------------------------------------------------    
 ALGO*  3444444  12513    12932    10692    10447    13542    13431    13124    
 AREQ*  6565555  12950     8545     8513    13142    10897     9112    10409    
 ASC1   556 665   5809     4322     3443              2941     4486     5476    
 AUCK*  3332333  11801    11640    11968    12194    13146    11675    11506    
 BAHR*  6666766   5200     7319     8203     8423     7567     6099     7520    
 BAKO   54 4444   8370     8609              9655     9291     8928     8709    
 BRMU*  3233333  10268     9817    10620     9138    11151     9770    11050    
 CAS1*  998>5>8  11589    11560    11234    11942    13038    10415    11615    
 CHAT*  3332333  12057    11974    12398    13002    12457    12307    12341    
 COCO   5565655   9511     8701    10684    11232    11757    10284     9714    
 CRO1   4444455  10722     9238    10520    10807    11808     9563     9963    
 DGAR   7454445    701     3102                       2832     2791     3107    
 DRAO*  3344344  11910    10726     9639    10780    10443    13453     8435    
 EISL   3333332   5227     4360     4979     5364     5556     4940     5513    
 FAIR*  4 66377  11911              8894     9114    13052     8405     8179    
 FORT*  5443444   4145     3888     3459     5003     3759     4478     2813    
 GALA   5544454   8255     8592     8899    13624    13089     7998     8466    
 GODE   4445344  11263    12817     9355     6932    13409    12515    13903    
 GOL2*  4544535   6557              5788     7966              9461             
 GRAZ*  22 2222  12216    11578             10734    11401    11136    11017    
 GUAM*  5555664   3911     4342     3946     4135     4315     2753     3660    
 HOB2*  3322232  12993    13005    12247    13110    12980    13064    12665    
 IISC   6443343   2114     2781     2447              3175     3576     3949    
 IRKT*  223 222   9731     9125     9379              9771    10292     9721    
 KELY     6838                      5078     5159     6549     4263             
 KOKB*  5555555   7954     9292     8027     8727     9750     7900     8251    
 KOSG*  3333333  12888    12432    12788    12936    13078    12056    11058    
 KOUR*     4456                              9603     9499     7857     2738    
 KSTU      3 3                              11504             13808             
 LHAS*  222 2 3   5631     4067     3846              4836                      
 LPGS   4444555  13134    12063    11378    13959    12924    13339    12264    
 MAC1*  4555265  10461    10449    11435    10804    11877     9183    10585    
 MAG0   3333333   9058     9025     8549     8660     9515     8572     8393    
 MALI*  4443444   2137     3470     2866     3066     3022     2667     3270    
 MAS1*  6666676   9635    11221    10314    11393    11255    11215     9905    
 MATE*  3444443  11860    11106    13471    10264    11021    10649    10583    
 MAW1   7767376  15186    15180    14299    10744    15098    15171    15183    
 MCM4*  78685>8   7753     7629     8914     8560    10606     5368     7901    
 MDO1*  2222222   8069     7466     7385     8713     9693     9176     6756    
 METS    333              12940    13247    13031                               
 MKEA   3333334   5677     9084     5481     8389     8216     6767     7242    
 NLIB*  22333    10420     9453     9116     9290    10427                      
 NOUM   554      12044    11936    11802                                        
 NTUS   5545555   7492     8182     9282     8674     8165     5208     7069    
 NYAL*  89894>9  12307    12126    12462    11857    13717    11774    12316    
 OHIG*   32233            10953    10361     9970    13531    11690             
 ONSA*  3 34333  15476             13475    13881    15312    15453    14218    
 PERT*  3222223  11480    11331    11484    10587    11722    11770     7558    
 PETP   3333333   8264     8875     8566     9031     9615     8848     8483    
 PIE1*  2222222  10055     8985     8936     7362    10107     9232     8899    
 POL2   2222222   8583     8048     7262     9930     7817     9862    10213    
 POTS*  3333333  14144    13882    14333    13948    14172    14061    14049    
 REYK   4556355  10897    11122    11656    10455    12007    10225    11285    
 RIOG      3344                             13247    12996    11950    11876    
 SANT*  6556666  10804    13574    12629    11767    13102    13191    12532    
 SHAO*  3         7720                                                          
 STJO   3433343  12995    11213    11747    13003    12060    10836    13015    
 SUTH   2222222   2957     3123     2234     2344     2122     1208     2699    
 THU1*  988949>   9488     9199     8355     7476    10554     7187     9377    
 TID2*  3323233  13890    13818    13192    13238    15047    13148    12606    
 TIXI   5668397  12749    12723    11996    11850    13103    11302    12753    
 TSKB*  2223222   7088     6864     7192     7447     7434     6624     6398    
 VILL*  3333333  12233    11295    10617    11543    11809    11345     6708    
 WES2*  3333333  12994    11807    11705    10603    12593    11382    14151    
 WHIT   2354255  11445    10294     9892    10227    12662     6986     9271    
 WTZR*   333333           14985    14358    14946    14753    14932    14902    
 WUHN   3333333   8041     5845     7994     6388     6603     6489     5942    
 YAKZ   3344343  11309    10993    10106     8769    11290    10688    11557    
 YAR1*  2222222   9499     9447    10964    12522    10200    10081     8618    
 YELL*  6788487  11059    10571     9261    10478    12709    11502     9639    
 ZWEN*  3333333  13319    12528    12542    12173    13040    13566    12805    
----------------------------------------------------------------------------    
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*  15087.5     918129.4553  -4346071.2510   4561977.8138     1     0     0 
 AREQ*  15087.5    1942826.7742  -5804070.2602  -1796893.9564     1     1     0 
 ASC1   15087.5    6118526.0731  -1572344.7097   -876451.1578     7    36    26 
 AUCK*  15087.5   -5105681.0861    461564.0434  -3782181.6878     3     2     2 
 BAHR*  15087.5    3633908.9641   4425275.5102   2799861.3388     1     1     2 
 BAKO   15087.7   -1836969.0198   6065617.0742   -716257.8036     6    20    32 
 BRMU*  15087.5    2304703.5541  -4874817.1859   3395186.8991     1     0     0 
 CAS1*  15087.5    -901776.1591   2409383.4061  -5816748.4893     2     2     2 
 CHAT*  15087.5   -4590670.9953   -275482.8657  -4404596.7381     2     1     4 
 COCO   15087.5    -741950.1515   6190961.6442  -1337768.4570     5    10    16 
 CRO1   15087.5    2607771.1940  -5488076.7522   1932767.7021     1     3    10 
 DGAR   15087.7    1916269.6542   6029977.4075   -801720.0819    10    70    67 
 DRAO*  15087.5   -2059164.7324  -3621108.4041   4814432.3441     1     0     0 
 EISL   15087.5   -1884951.5686  -5357595.9495  -2892890.5600     4    16    37 
 FAIR*  15087.8   -2281621.5033  -1453595.8061   5756961.8786     1     1     0 
 FORT*  15087.5    4985386.6382  -3954998.5989   -428426.4709     1     1     0 
 GALA   15087.5     -33795.9415  -6377522.6543    -82120.8880     2    10    15 
 GODE   15087.5    1130773.8265  -4831253.5813   3994200.3913     2     2     4 
 GOL2*  15087.0   -2353614.2265  -4641385.3751   3676976.4222     1     0     0 
 GRAZ*  15087.7    4194423.9196   1162702.6138   4647245.3430     0     0     0 
 GUAM*  15087.5   -5071312.7908   3568363.5241   1488904.3007     1     1     0 
 HOB2*  15087.5   -3950071.4857   2522415.2174  -4311638.2641     1     1     1 
 IISC   15087.5    1337936.6982   6070317.1167   1427876.5997     8    23    50 
 IRKT*  15087.5    -968332.2750   3794425.4188   5018167.7307     1     1     1 
 KELY   15088.0    1575559.2277  -1941827.9449   5848076.5076     6    10    11 
 KOKB*  15087.5   -5543838.1508  -2054587.0603   2387809.7826     1     0     0 
 KOSG*  15087.5    3899225.2161    396731.8661   5015078.3694     1     0     0 
 KOUR*  15089.0    3839591.4259  -5059567.5582    579956.9487     1     1     1 
 KSTU   15088.5    -174281.7858   3571333.0281   5264196.0331     3     1    13 
 LHAS*  15086.2    -106937.8108   5549269.5859   3139215.7911     1     1     0 
 LPGS   15087.5    2780102.9985  -4437418.8903  -3629404.5936     2     4    12 
 MAC1*  15087.5   -3464038.5655   1334172.8248  -5169224.3023     1     2     1 
 MAG0   15087.5   -2825810.2259   1581232.9175   5477005.4821     4     5     8 
 MALI*  15087.5    4865366.4204   4110737.4921   -331121.6775     1     5     5 
 MAS1*  15087.5    5439192.2553  -1522055.5743   2953454.7485     2     1     1 
 MATE*  15087.5    4641949.6646   1393045.3404   4133287.3705     1     0     0 
 MAW1   15087.5    1111287.1741   2168911.2708  -5874493.6332     3     4     6 
 MCM4*  15087.5   -1311703.2169    310815.0660  -6213255.1493     2     1     4 
 MDO1*  15087.5   -1329998.7134  -5328393.3952   3236504.1627     1     0     0 
 METS   15086.5    2892570.8844   1311843.3818   5512634.0741     3     1     4 
 MKEA   15087.5   -5464105.1501  -2495166.7072   2148291.0245     2     4     6 
 NLIB*  15086.5    -130934.5232  -4762291.7351   4226854.6378     1     0     0 
 NOUM   15085.5   -5739971.6029   1387563.6223  -2402123.4477     4     5     5 
 NTUS   15087.5   -1508022.7972   6195576.6605    148799.4456    10    15    21 
 NYAL*  15087.5    1202430.6006    252626.6749   6237767.5283     1     1     1 
 OHIG*  15087.5    1525872.5516  -2432481.3123  -5676146.1306     5     1     4 
 ONSA*  15087.8    3370658.6315    711877.0756   5349786.8949     1     0     0 
 PERT*  15087.5   -2368687.1206   4881316.5601  -3341796.0376     2     1     1 
 PETP   15087.5   -3576239.7861   1401003.4567   5075177.4659     5     5    12 
 PIE1*  15087.5   -1640916.8345  -5014781.2136   3575447.1005     1     0     0 
 POL2   15087.5    1239971.5076   4530790.0870   4302578.7686     3     5     9 
 POTS*  15087.5    3800689.7325    882077.3174   5028791.2602     1     0     0 
 REYK   15087.5    2587384.4376  -1043033.4994   5716563.9838     3     4    12 
 RIOG   15089.0    1429907.7628  -3495354.7714  -5122698.7082     4     5     5 
 SANT*  15087.5    1769693.4149  -5044574.1695  -3468321.0483     1     1     1 
 SHAO*  15084.5   -2831733.3675   4675666.0115   3275369.4624     0     0     0 
 STJO   15087.5    2612631.1796  -3426807.0344   4686757.8071     2     2     6 
 SUTH   15087.5    5041274.8015   1916054.0888  -3397076.0417    19    27    25 
 THU1*  15087.5     538981.3584  -1388714.8028   6181005.1280     1     1     1 
 TID2*  15087.5   -4460996.2438   2682557.0847  -3674443.5811     1     1     0 
 TIXI   15087.5   -1264873.0921   1569455.8135   6031003.4324     2     4     3 
 TSKB*  15087.5   -3957199.2432   3310199.6892   3737711.6564     1     1     1 
 VILL*  15087.5    4849833.7735   -335049.1200   4116014.8595     0     1     1 
 WES2*  15087.5    1492233.3350  -4458089.4898   4296045.9962     1     0     0 
 WHIT   15087.5   -2218337.8713  -2201205.1147   5543057.5495     2     3     1 
 WTZR*  15088.0    4075580.6468    931853.7205   4801568.0647     0     0     0 
 WUHN   15087.5   -2267749.2538   5009154.2934   3221290.6995     3     6    16 
 YAKZ   15087.5   -1915023.3023   2308213.2064   5610224.9700     2     3     4 
 YAR1*  15087.5   -2389025.6837   5043316.9099  -3078530.6055     1     0     1 
 YELL*  15087.5   -1224452.5608  -2689216.1228   5633638.2613     2     1     1 
 ZWEN*  15087.5    2886325.4800   2155998.4476   5245816.1525     2     2     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 065: constrained site OHIG not in data set                                     
    : constrained site WTZR not in data set                                     
    : constrained site KOUR 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 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 MALI has < 1/2 as many obs as average                                
    : site SUTH has < 1/2 as many obs as average                                
    : CRO1 residual dU > 2*RMS =      23 mm                                     
    : FORT residual dE > 2*RMS =       1 mm                                     
 066: constrained site FAIR not in data set                                     
    : constrained site GOL2 not in data set                                     
    : constrained site ONSA not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site KOUR 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 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 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                                
    : MAW1 residual dN > 2*RMS =       7 mm                                     
    : WUHN residual dE > 2*RMS =      12 mm                                     
    : YELL residual dN > 2*RMS =       3 mm                                     
 067: constrained site GRAZ not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site KOUR 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 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 SUTH has < 1/2 as many obs as average                                
    : DRAO residual dE > 2*RMS =       1 mm                                     
    : MAW1 residual dE > 2*RMS =       9 mm                                     
    : ONSA residual dN > 2*RMS =       2 mm                                     
    : TID2 residual dE > 2*RMS =       2 mm                                     
 068: constrained site IRKT not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site SHAO 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 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 SUTH has < 1/2 as many obs as average                                
    : AREQ residual dN > 2*RMS =       3 mm                                     
    : VILL residual dE > 2*RMS =       1 mm                                     
    : WUHN residual dU > 2*RMS =      34 mm                                     
    : YAKZ residual dE > 2*RMS =       6 mm                                     
    : YAR1 residual dU > 2*RMS =       1 mm                                     
 069: constrained site GOL2 not in data set                                     
    : constrained site SHAO 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                                
    : site SUTH has < 1/2 as many obs as average                                
 070: constrained site LHAS not in data set                                     
    : constrained site NLIB not in data set                                     
    : constrained site SHAO 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 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 SUTH has < 1/2 as many obs as average                                
    : CAS1 residual dU > 2*RMS =       5 mm                                     
    : GALA residual dE > 2*RMS =      23 mm                                     
 071: constrained site GOL2 not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site NLIB not in data set                                     
    : constrained site SHAO not in data set                                     
    : constrained site OHIG 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 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 KOUR 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                                
    : KOKB residual dN > 2*RMS =       1 mm                                     
    : MAS1 residual dE > 2*RMS =       2 mm                                     
    : MKEA residual dN > 2*RMS =       4 mm                                     
    : REYK residual dE > 2*RMS =       9 mm                                     
    : SANT residual dE > 2*RMS =       2 mm                                     
--------------------------------------------------------------------------------