Subject: [IGSREPORT-6665] Wk 1036 NOAA NGS Analysis Report
From: NOAA/NGS GPS Analysis Center
Date: Wed, 24 Nov 1999 5:43:42 PST

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IGS Electronic Report    Wed Nov 24  5:43:42 PST 1999      Message Number 6665
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Author: NOAA/NGS GPS Analysis Center                                            
Subject: Wk 1036 NOAA NGS Analysis Report

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NGS ANALYSIS REPORT GPS WEEK 1036 (Dates: 99 Nov 14 - 99 Nov 20)                
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National Oceanic and Atmospheric Administration (NOAA)                          
National Geodetic Survey (NGS), SSMC-3, N/NGS2                                  
1315 East-West Highway                                                          
Silver Spring, MD, USA  20910                                                   
                                                                                
contacts: William Kass    301-713-3209 ext.164   [email-masked]             
          Robert Dulaney  301-713-3209 ext.168   [email-masked]              
fax:                      301-713-4322                                          

PRODUCTS SENT TO CDDIS:                                                         
------------------------------------------------------------------------------  
 NGS10367.SUM         this text file                                            
 NGS10367.ERP         Earth rotation parameters for GPS Week 1036               
 NGS10367.SNX         weekly GPS coordinate solutions for GPS Wk 1036           
 NGS1036n.SP3         GPS ephemerides for GPS Week 1036, 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        
------------------------------------------------------------------------        
 318     649792         10.8       27          65               40              
 319     637786         10.3       27          64               43              
 320     612694         10.7       27          65               42              
 321     637298         10.6       27          64               41              
 322     606603         10.6       27          64               41              
 323     534283         10.6       26          62               39              
 324     582372         10.9       27          60               37              
------------------------------------------------------------------------        
                                                                                
NUMBER OF OBSERVATIONS BY SATELLITE AND DOY:                                    
----------------------------------------------------------------------          
 PRN        318      319      320      321      322      323      324           
----------------------------------------------------------------------          
  01      21324    20738    19889    19844    19310    18487    19209           
  02      29807E   28735E   27410E   27583E   27235E    -999    25494E          
  03      21372    22315    20711    21000    21100    18947    18693           
  04      25534    25867    23227    25383    25195    22434    23707           
  05      30531E   28969E   29012E   30526E   29285E   26656E   28622E          
  06      18984    18041    18207    18134    15295    14675    15248           
  07      22147    20537    18477    21561    18483    16822    17605           
  08      29146    26635    25120    26640    24110    22035    23474           
  09      50534    47868    48656    48166    49088    21543    44064           
  10      51356    50806    48314    50742    48110E   54484E   51468E          
  13      50522    46254    48940    45594    48800    41794    39624           
  14      40894    42218    34960    44620    42448    38666    45940           
  15      42498    40838    40152    41976    37626    37056    33678           
  16      48964    45610    44308    46604    43358    41700    38014           
  17      48086    49932    46584    49338    48024    42978    46954           
  18      41800    45058    43572    47898    42818    42032    44062           
  19      43842    43372    42412    38324    40986    33632    36168           
  21      50796    47254    43512    48310    42018    39430E   56228E          
  22      52236E   54702E   52070E   52044E   50908E   46338E   48872E          
  23      46292    42736    40190    44606    45814    41684    39400           
  24      47430    45536    43184    45842    43318    36132    36352           
  25      50202    51166    50714    49676    46314    44046    45156           
  26      41580    45070    43640    43434    42594    36492    38502           
  27      44338    43086    42842    40294    39106    36954    34364           
  29      51034    49282    46844    48970    44076    40930    44386           
  30      59872E   59954E   59658E   61452E   56588E   53384E   57290E          
  31      39618    41156    40730    45364    41186    37636    40118           
----------------------------------------------------------------------          
NOTE: E = satellite eclipsing during day                                        
                                                                                
GLOBAL LIST OF SITES USED DURING WEEK:                                          
-----------------------------------------------------------------------------   
global: ALGO AREQ ASC1 AUCK BAHR BOGT BRMU CHAT COCO CRO1 DAV1 DGAR EISL FAIR   
global: FORT GODE GOL2 GOUG GRAZ GUAM HARK HOB2 IISC IRKT KELY KERG KOKB KOSG   
global: KOUR KSTU LHAS LPGS MAC1 MAG0 MALI MAS1 MATE MAW1 MCM4 MDO1 METS MKEA   
global: NLIB NOUM NTUS NYAL ONSA PERT PETP PIE1 POL2 POTS REYK RIOG SANT STJO   
global: SUTH THU1 TID2 TIXI TROM 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    318      319      320      321      322      323      324    
----------------------------------------------------------------------------    
 ALGO*  3233333  11417    12479    12483    12977    12852    12318    13323    
 AREQ*  3433334   5535     3970     4869     4198     4832     4428     4803    
 ASC1   5555456   3832     3518     4591              4214              3734    
 AUCK*  2333333   9437    10821     9581    12139    11746    10802    11468    
 BAHR*  6655666   6522     6985     7113     6932     7185     6033     7762    
 BOGT    555566            3365     3210     3696     4265     3868     4815    
 BRMU*  2222222  12270    12039    10887    11482     7578     6827     9470    
 CHAT*  3332333  11617    10882    12717    13146    12631    11510    12453    
 COCO   3223332   8468     7378     6112     9310     7384     9266    10203    
 CRO1   3443      8173     7691     6781     6987                               
 DAV1*  4565553   8781    10999     7105    10886     7959     7873     9372    
 DGAR   4344334   7502     6999     6376     7247     5282     4541     5802    
 EISL   2323222   4420     2983     4161     3111     2850     3541     3682    
 FAIR*  3263553  10300    12092    10086     8343    11389     8585     8773    
 FORT*  4643555   3761     2985     3355              3794     2678     3210    
 GODE   2 63343   8913                      13090    11852             14088    
 GOL2*  2222222  10782    11549     7848     8528     9244     8891     9554    
 GOUG    3  333            9737                       3373     2678     2685    
 GRAZ*  2222222  14218    13991    13533    13776    13466    12981    13683    
 GUAM*  4344444   4058     9637     8648     6401     6889     4794     5313    
 HARK*  2333      9923     8082     8049     8635                               
 HOB2*  2232222  11840    11874    12019    12440    12615    11600    12492    
 IISC   3344334   4175     5248     4477     4313     4365     3382     4489    
 IRKT*  2222222  11525    12063    11300    12098    11885    10816    11265    
 KELY      6 84                              6495              4366     8451    
 KERG*  2232     10964    10421     9491    10348                               
 KOKB*  5556555   8889     8103    10104     8688     9526     9305     5724    
 KOSG*  2222222  12599    13665    13327    13581    14016    13464    14129    
 KOUR*  3433334   3808     2361     2499     2184     3192     2233             
 KSTU   2 32     13088             10006    12080                               
 LHAS*   3  2              2901                       4543                      
 LPGS   4444445   5586     6138     6150     7865     6698     7032     6402    
 MAC1*  4373453  10464    10052     9264     8981    10077     9692    10940    
 MAG0   223222   10914    11562    11577    10960    11239    10654             
 MALI*  2434333   5093     3908     4822     4918     3485     4659     3853    
 MAS1*  5665657  11825    12037    11849    12425    12639    12107    12238    
 MATE*  2232333  14284    13993    13444    13817    13425    12960    13697    
 MAW1   4453443  11011    11131     9329    11205    10116     9351    11191    
 MCM4*  5666664   7857     7656     6447     6897     7201     7397     8950    
 MDO1*  2222222  10067    11039    10088    10864    11168    10726    11623    
 METS   2232332  13344    13829    12808    13336    13240    12690    13334    
 MKEA   3334333   8731              8084     7194     8107     8016     6688    
 NLIB*  2222222  11142    11226    10760    10318    11091    10453    11210    
 NOUM   3 4       6833              5938                                        
 NTUS   4 4  33  10003             10233                       7372    11324    
 NYAL*  7695>7   14465    15544    14209     9216    14236     7908             
 ONSA*  2232222  14404    14618    14169    14424    14347    12369    14419    
 PERT*  2232222   9729    11266    12488    11458    11103    12384    10994    
 PETP   3332223   6370     6701     7223     9003     8764     8525     6617    
 PIE1*  2222222  10479    11166    10734    11316    11622    11096    12362    
 POL2   22  222  10636     8466                       8452     9610    10360    
 POTS*  2222222  15190    15193    14623    14861    15097    14450    15194    
 REYK   32 4564  11940                      11063    10817     9699    11975    
 RIOG   4443333   5951     5876     5843     5994     5966     4922     5952    
 SANT*  4554546   6834     6181     6038     9163     7149     8682     6652    
 STJO   2232333  12172    12668    11399    11929    12163    11799    12609    
 SUTH   2222223  13577    10338    10245    11292     3592     4643     4025    
 THU1*  86979>6  11105    12266    10774     8544     9381     6635    10227    
 TID2*  2222222  13238    13066    11247    11822    11853    11596    11627    
 TIXI   438566   13053    13889    12043    12635    13371    11124             
 TROM*  53657 4  14627    16197    15984    11589    14258             12681    
 TSKB*   22222             9528     9000     8861     9037     8325             
 VILL*  2222223  10718    12058    11831    12364    12768    12272    12610    
 WES2*  3222332  12700    12931    11813    12607    12408    12115    13497    
 WHIT   2252322  10701    10535     9017     9798     9772     3322    10035    
 WTZR*  2222222  14533    14473    14749    14195    14171    13615    14291    
 WUHN   3232332   6632    10821     9343     9966     8167     9295     8022    
 YAKZ   2232222  12876    13316    13200    13136    12879    12194    12855    
 YAR1*   232222           10379    10224    11178    10941    11415    12933    
 YELL*  5465675  11281    11285    10142     9627     9931     9628    10600    
 ZWEN*  2222222  13218    13786    12346    12603    12520    12604    12554    
----------------------------------------------------------------------------    
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*  51499.5     918129.4606  -4346071.2497   4561977.8139     1     0     0 
 AREQ*  51499.5    1942826.7702  -5804070.2600  -1796893.9608     0     0     0 
 ASC1   51499.1    6118526.0745  -1572344.6839   -876451.1687     9    35    15 
 AUCK*  51499.5   -5105681.0722    461564.0463  -3782181.6960     2     2     3 
 BAHR*  51499.5    3633908.9716   4425275.5068   2799861.3299     1     1     1 
 BOGT   51500.0    1744399.1013  -6116037.8007    512731.6384     5    19    67 
 BRMU*  51499.5    2304703.5583  -4874817.1853   3395186.8973     1     0     0 
 CHAT*  51499.5   -4590670.9884   -275482.8778  -4404596.7440     2     2     2 
 COCO   51499.5    -741950.1385   6190961.6539  -1337768.4717     4    13    11 
 CRO1   51498.0    2607771.1911  -5488076.7546   1932767.6983     2     6    14 
 DAV1*  51499.5     486854.5577   2285099.3034  -5914955.7316     3     1     3 
 DGAR   51499.5    1916269.6404   6029977.3569   -801720.1026     6    17    25 
 EISL   51499.5   -1884951.5611  -5357595.9629  -2892890.5683     4     8    20 
 FAIR*  51499.5   -2281621.4970  -1453595.8060   5756961.8804     1     0     0 
 FORT*  51499.5    4985386.6389  -3954998.5974   -428426.4741     0     0     0 
 GODE   51499.7    1130773.8323  -4831253.5819   3994200.3917     1     1     3 
 GOL2*  51499.5   -2353614.2226  -4641385.3760   3676976.4241     1     0     0 
 GOUG   51500.5    4795578.5679   -835299.4633  -4107634.0492    14     7    33 
 GRAZ*  51499.5    4194423.9245   1162702.6085   4647245.3400     1     1     0 
 GUAM*  51499.5   -5071312.7912   3568363.5207   1488904.3026     1     1     0 
 HARK*  51498.0    5084625.3169   2670366.2961  -2768494.5270     0     0     0 
 HOB2*  51499.5   -3950071.4744   2522415.2154  -4311638.2756     1     1     0 
 IISC   51499.5    1337936.6883   6070317.1159   1427876.5909     4    14    30 
 IRKT*  51499.5    -968332.2628   3794425.4209   5018167.7306     1     2     1 
 KELY   51501.2    1575559.2264  -1941827.9343   5848076.4893     2     2     4 
 KERG*  51498.0    1406337.3286   3918161.1173  -4816167.4033     3     2     1 
 KOKB*  51499.5   -5543838.1474  -2054587.0795   2387809.7731     1     0     0 
 KOSG*  51499.5    3899225.2209    396731.8613   5015078.3670     1     0     0 
 KOUR*  51499.0    3839591.4270  -5059567.5581    579956.9462     1     0     0 
 KSTU   51498.1    -174281.7883   3571333.0294   5264196.0333     1     1     2 
 LHAS*  51499.0    -106937.7976   5549269.5883   3139215.7857     1     1     0 
 LPGS   51499.5    2780102.9943  -4437418.8966  -3629404.6015     2     8     9 
 MAC1*  51499.5   -3464038.5599   1334172.8190  -5169224.3057     0     1     1 
 MAG0   51499.0   -2825810.2243   1581232.9290   5477005.4842     2     5     8 
 MALI*  51499.5    4865366.4349   4110737.4857   -331121.6827     2     3     3 
 MAS1*  51499.5    5439192.2549  -1522055.5796   2953454.7450     2     2     2 
 MATE*  51499.5    4641949.6689   1393045.3346   4133287.3674     1     0     0 
 MAW1   51499.5    1111287.1833   2168911.2806  -5874493.6341     4     3    10 
 MCM4*  51499.5   -1311703.2201    310815.0698  -6213255.1480     1     2     2 
 MDO1*  51499.5   -1329998.7090  -5328393.3947   3236504.1650     1     0     0 
 METS   51499.5    2892570.8876   1311843.3781   5512634.0731     1     1     5 
 MKEA   51499.8   -5464105.1506  -2495166.7239   2148291.0142     1     6     9 
 NLIB*  51499.5    -130934.5188  -4762291.7348   4226854.6397     0     0     0 
 NOUM   51497.5   -5739971.6010   1387563.6194  -2402123.4584     6     1    16 
 NTUS   51499.7   -1508022.7774   6195576.6972    148799.4466     4     5    13 
 NYAL*  51499.0    1202430.6038    252626.6713   6237767.5270     2     0     2 
 ONSA*  51499.5    3370658.6366    711877.0709   5349786.8920     1     0     0 
 PERT*  51499.5   -2368687.1058   4881316.5579  -3341796.0508     1     1     0 
 PETP   51499.5   -3576239.7864   1401003.4670   5075177.4777     4     7    12 
 PIE1*  51499.5   -1640916.8297  -5014781.2127   3575447.1037     1     0     0 
 POL2   51499.7    1239971.5116   4530790.0788   4302578.7637     1     4     4 
 POTS*  51499.5    3800689.7378    882077.3118   5028791.2577     1     0     0 
 REYK   51500.1    2587384.4404  -1043033.5097   5716563.9862     2     8    11 
 RIOG   51499.5    1429907.7557  -3495354.7882  -5122698.7010    12     9    19 
 SANT*  51499.5    1769693.4077  -5044574.1671  -3468321.0510     1     0     0 
 STJO   51499.5    2612631.1869  -3426807.0365   4686757.8140     2     4    13 
 SUTH   51499.5    5041274.8425   1916054.0479  -3397076.0640     8    16    24 
 THU1*  51499.5     538981.3653  -1388714.8014   6181005.1285     1     1     1 
 TID2*  51499.5   -4460996.2329   2682557.0837  -3674443.5953     2     1     1 
 TIXI   51499.0   -1264873.0938   1569455.8007   6031003.4370     3     3     6 
 TROM*  51499.2    2102940.2950    721569.4082   5958192.1166     1     1     1 
 TSKB*  51499.5   -3957199.2435   3310199.6890   3737711.6599     1     1     0 
 VILL*  51499.5    4849833.7750   -335049.1262   4116014.8569     1     0     1 
 WES2*  51499.5    1492233.3398  -4458089.4893   4296045.9956     1     0     0 
 WHIT   51499.5   -2218337.8707  -2201205.1134   5543057.5666     1     3     8 
 WTZR*  51499.5    4075580.6511    931853.7155   4801568.0633     1     1     0 
 WUHN   51499.5   -2267749.2451   5009154.3010   3221290.7023     3     3     7 
 YAKZ   51499.5   -1915023.3074   2308213.2158   5610224.9443     3     1     7 
 YAR1*  51500.0   -2389025.6686   5043316.9074  -3078530.6196     1     0     0 
 YELL*  51499.5   -1224452.5546  -2689216.1202   5633638.2634     1     1     1 
 ZWEN*  51499.5    2886325.4905   2155998.4440   5245816.1485     2     1     2 
--------------------------------------------------------------------------------
NOTES: * Indicates sites with constrained coordinates.                          
                                                                                
WARNINGS:                                                                       
--------------------------------------------------------------------------------
 318: constrained site LHAS not in data set                                     
    : constrained site TSKB not in data set                                     
    : constrained site YAR1 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 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 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 KOUR has < 1/2 as many obs as average                                
    : COCO residual dN > 2*RMS =       8 mm                                     
    : DAV1 residual dU > 2*RMS =       7 mm                                     
    : WUHN residual dN > 2*RMS =       6 mm                                     
    : ZWEN residual dN > 2*RMS =       5 mm                                     
 319: 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 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site KOUR 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                                
 320: constrained site LHAS 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 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 BOGT 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 IISC has < 1/2 as many obs as average                                
    : site KOUR has < 1/2 as many obs as average                                
    : DGAR residual dN > 2*RMS =      11 mm                                     
    : MAS1 residual dU > 2*RMS =       4 mm                                     
 321: constrained site FORT not in data set                                     
    : constrained site LHAS 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 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site 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                                
    : BAHR residual dN > 2*RMS =       3 mm                                     
    : IISC residual dN > 2*RMS =       9 mm                                     
 322: constrained site HARK not in data set                                     
    : constrained site KERG 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 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 BOGT 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 GOUG 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 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                                
    : SUTH residual dU > 2*RMS =      50 mm                                     
 323: constrained site HARK not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site TROM not in data set                                     
    : constrained site LHAS 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 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 09    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site GOUG 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 KOUR has < 1/2 as many obs as average                                
    : site WHIT has < 1/2 as many obs as average                                
    : DGAR residual dE > 2*RMS =      37 mm                                     
 324: constrained site HARK not in data set                                     
    : constrained site KERG not in data set                                     
    : constrained site KOUR not in data set                                     
    : constrained site NYAL not in data set                                     
    : constrained site LHAS not in data set                                     
    : constrained site TSKB 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 06    has < 2/3 as many obs as average                                
    : PRN 07    has < 2/3 as many obs as average                                
    : PRN 08    has < 2/3 as many obs as average                                
    : site AREQ has < 1/2 as many obs as average                                
    : site ASC1 has < 1/2 as many obs as average                                
    : site BOGT has < 1/2 as many obs as average                                
    : site EISL has < 1/2 as many obs as average                                
    : site FORT has < 1/2 as many obs as average                                
    : site GOUG 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                                
    : MCM4 residual dE > 2*RMS =       4 mm                                     
    : VILL residual dN > 2*RMS =       3 mm                                     
    : WHIT residual dE > 2*RMS =       7 mm                                     
--------------------------------------------------------------------------------

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