FILE: nlib0950.04o 000171241

                              NGS OPUS SOLUTION REPORT
                              ========================

      USER: plazio@optonline.net                    DATE: May 17, 2004
RINEX FILE: nlib095a.04o                            TIME: 23:24:59 UTC


  SOFTWARE: page5  0310.28 master6.pl              START: 2004/04/04  00:00:00
 EPHEMERIS: igs12650.eph [precise]                  STOP: 2004/04/04  03:59:00
  NAV FILE: brdc0950.04n                        OBS USED:  6882 /  7171   :  96%
  ANT NAME: AOAD/M_T                         # FIXED AMB:    21 /    35   :  60%
ARP HEIGHT: 0.061                            OVERALL RMS: 0.010(m)


 REF FRAME: NAD83(CORS96)(EPOCH:2002.0000)            ITRF00 (EPOCH:2004.2571)

         X:      -130933.932(m)   0.026(m)           -130934.593(m)   0.026(m)
         Y:     -4762293.084(m)   0.060(m)          -4762291.729(m)   0.061(m)
         Z:      4226854.731(m)   0.030(m)           4226854.645(m)   0.030(m)

       LAT:   41 46 17.70051      0.020(m)        41 46 17.72728      0.020(m)
     E LON:  268 25 30.40770      0.026(m)       268 25 30.37748      0.026(m)
     W LON:   91 34 29.59230      0.026(m)        91 34 29.62252      0.026(m)
    EL HGT:          208.080(m)   0.064(m)               207.026(m)   0.064(m)
 ORTHO HGT:          240.601(m)   0.069(m) [Geoid03 NAVD88]

PLANE COORDINATES     North(Y)         East(X)   Convergence (deg) Point Scale
  UTM(Zone 15):  4625397.312(m)   618447.029(m)     0.94946737      0.99977264
SPC(1402 IA S):   198509.175(m)   660052.828(m)     1.26807405      0.99999793

US NATIONAL GRID DESIGNATOR: 15TXG1844725397(NAD 83)



                              BASE STATIONS USED
PID       DESIGNATION                        LATITUDE    LONGITUDE DISTANCE(m)
AI2153 SLAI SLATER CORS ARP                N415402.072 W0934155.905  177001.3
AI2149 BLRW BLUE RIVER CORS ARP            N431348.883 W0903150.776  183353.8
AI5764 WNCI WINCHESTER CORS ARP            N393952.582 W0902836.267  251686.6

                 NEAREST NGS PUBLISHED CONTROL POINT
AF9523      NORTH LIBERTY CORS ARP         N414617.700 W0913429.592       0.0
                                                   
                                                   
                          BASE STATION INFORMATION 
                                                   
 STATION NAME: slai  a    3 (Slater; Slater, Iowa  USA)
  ANTENNA: TRM33429.20+GP                                   S/N=0220132623      
 XYZ   -306731.4921  -4744691.8258   4237584.6510  MON @ 1997.0000 (M)
 XYZ        -0.0170        -0.0022        -0.0037  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU        -0.0000         0.0000         0.0729  ARP TO L1 PHASE CENTER (M)
 NEU        -0.0000         0.0000         0.0750  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1233        -0.0160        -0.0268  VEL TIMES 7.2557 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ        -0.0035        -0.0541         0.0487  ARP TO L1 PHASE CENTER
 XYZ   -306731.6189  -4744691.8959   4237584.6728  L1 PHS CEN @ 2004.2571
 XYZ        -0.0001         0.0001         0.0000  + XYZ ADJUSTMENTS
 XYZ   -306731.6190  -4744691.8958   4237584.6729  NEW L1 PHS CEN @ 2004.2571
 XYZ   -306731.6155  -4744691.8417   4237584.6242  NEW ARP @ 2004.2571
 XYZ   -306731.6155  -4744691.8417   4237584.6242  NEW MON @ 2004.2571
 LLH  41 54  2.09888  266 18  4.06260    289.5915  NEW L1 PHS CEN @ 2004.2571
 LLH  41 54  2.09888  266 18  4.06260    289.5186  NEW ARP @ 2004.2571
 LLH  41 54  2.09888  266 18  4.06260    289.5186  NEW MON @ 2004.2571

 STATION NAME: blrw  a    6 (Blue River; Blue River, Wisconsin  USA)
  ANTENNA: TRM33429.00+GP                                   S/N=0220132682      
 XYZ    -43118.8809  -4654409.4702   4346305.2939  MON @ 1997.0000 (M)
 XYZ        -0.0148         0.0029        -0.0054  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU        -0.0000         0.0000         0.0740  ARP TO L1 PHASE CENTER (M)
 NEU        -0.0000         0.0000         0.0703  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1074         0.0210        -0.0392  VEL TIMES 7.2557 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ        -0.0005        -0.0539         0.0507  ARP TO L1 PHASE CENTER
 XYZ    -43118.9888  -4654409.5031   4346305.3054  L1 PHS CEN @ 2004.2571
 XYZ         0.0001         0.0001         0.0001  + XYZ ADJUSTMENTS
 XYZ    -43118.9887  -4654409.5030   4346305.3056  NEW L1 PHS CEN @ 2004.2571
 XYZ    -43118.9882  -4654409.4490   4346305.2549  NEW ARP @ 2004.2571
 XYZ    -43118.9882  -4654409.4490   4346305.2549  NEW MON @ 2004.2571
 LLH  43 13 48.91172  269 28  9.19361    190.7302  NEW L1 PHS CEN @ 2004.2571
 LLH  43 13 48.91172  269 28  9.19361    190.6562  NEW ARP @ 2004.2571
 LLH  43 13 48.91172  269 28  9.19361    190.6562  NEW MON @ 2004.2571

 STATION NAME: wnci  a    6 (Winchester; Winchester, Illinois  USA)
  ANTENNA: TRM33429.20+GP                                   S/N=0220173634      
 XYZ    -40910.2043  -4916498.6196   4049479.3245  MON @ 1997.0000 (M)
 XYZ        -0.0163        -0.0022        -0.0028  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU        -0.0000         0.0000         0.0729  ARP TO L1 PHASE CENTER (M)
 NEU        -0.0000         0.0000         0.0750  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1183        -0.0160        -0.0203  VEL TIMES 7.2557 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ        -0.0005        -0.0561         0.0465  ARP TO L1 PHASE CENTER
 XYZ    -40910.3230  -4916498.6917   4049479.3507  L1 PHS CEN @ 2004.2571
 XYZ        -0.0003         0.0001         0.0001  + XYZ ADJUSTMENTS
 XYZ    -40910.3233  -4916498.6916   4049479.3508  NEW L1 PHS CEN @ 2004.2571
 XYZ    -40910.3229  -4916498.6355   4049479.3043  NEW ARP @ 2004.2571
 XYZ    -40910.3229  -4916498.6355   4049479.3043  NEW MON @ 2004.2571
 LLH  39 39 52.60835  269 31 23.70438    140.9627  NEW L1 PHS CEN @ 2004.2571
 LLH  39 39 52.60835  269 31 23.70438    140.8898  NEW ARP @ 2004.2571
 LLH  39 39 52.60835  269 31 23.70438    140.8898  NEW MON @ 2004.2571

                         REMOTE STATION INFORMATION
                                                   
 STATION NAME: nlib       1
  ANTENNA: AOAD/M_T                                         S/N=UNKNOWN         
 XYZ   -130934.0770  -4762291.7660   4226854.8200  MON @ 2004.2568 (M)
 XYZ         0.0000         0.0000         0.0000  VEL (M/YR)
 NEU         0.0000        -0.0000         0.0610  MON TO ARP (M)
 NEU        -0.0000         0.0000         0.1100  ARP TO L1 PHASE CENTER (M)
 NEU         0.0000         0.0000         0.1280  ARP TO L2 PHASE CENTER (M)
 XYZ         0.0000         0.0000         0.0000  VEL TIMES 0.0002 YRS
 XYZ        -0.0013        -0.0455         0.0406  MON TO ARP
 XYZ        -0.0023        -0.0820         0.0733  ARP TO L1 PHASE CENTER
 XYZ   -130934.0805  -4762291.8935   4226854.9339  L1 PHS CEN @ 2004.2571

 BASELINE NAME:   slai  nlib  
 XYZ        -0.5326         0.0185        -0.1640  + XYZ ADJUSTMENTS
 XYZ   -130934.6131  -4762291.8750   4226854.7699  NEW L1 PHS CEN @ 2004.2571
 XYZ   -130934.6108  -4762291.7930   4226854.6966  NEW ARP @ 2004.2571
 XYZ   -130934.6096  -4762291.7475   4226854.6560  NEW MON @ 2004.2571
 LLH  41 46 17.72714  268 25 30.37679    207.2182  NEW L1 PHS CEN @ 2004.2571
 LLH  41 46 17.72714  268 25 30.37679    207.1082  NEW ARP @ 2004.2571
 LLH  41 46 17.72714  268 25 30.37679    207.0472  NEW MON @ 2004.2571

 BASELINE NAME:   blrw  nlib  
 XYZ        -0.5102         0.0767        -0.1942  + XYZ ADJUSTMENTS
 XYZ   -130934.5907  -4762291.8168   4226854.7397  NEW L1 PHS CEN @ 2004.2571
 XYZ   -130934.5884  -4762291.7348   4226854.6664  NEW ARP @ 2004.2571
 XYZ   -130934.5872  -4762291.6893   4226854.6258  NEW MON @ 2004.2571
 LLH  41 46 17.72768  268 25 30.37769    207.1542  NEW L1 PHS CEN @ 2004.2571
 LLH  41 46 17.72768  268 25 30.37769    207.0442  NEW ARP @ 2004.2571
 LLH  41 46 17.72768  268 25 30.37769    206.9832  NEW MON @ 2004.2571

 BASELINE NAME:   wnci  nlib  
 XYZ        -0.5061         0.0162        -0.1673  + XYZ ADJUSTMENTS
 XYZ   -130934.5866  -4762291.8773   4226854.7666  NEW L1 PHS CEN @ 2004.2571
 XYZ   -130934.5844  -4762291.7953   4226854.6933  NEW ARP @ 2004.2571
 XYZ   -130934.5831  -4762291.7498   4226854.6527  NEW MON @ 2004.2571
 LLH  41 46 17.72702  268 25 30.37793    207.2172  NEW L1 PHS CEN @ 2004.2571
 LLH  41 46 17.72702  268 25 30.37793    207.1072  NEW ARP @ 2004.2571
 LLH  41 46 17.72702  268 25 30.37793    207.0462  NEW MON @ 2004.2571

                                   G-FILES 
                                           
Axx2004 4 4   4 4 4
B2004 4 4 0 0   4 4 4 359 1 page5 v0310.28IGS     222 1 2 27NGS   2004 517IFDDFX
Iant_info.003        NGS   20040123
C00090001-1757970060    6  175999058   18  107299682   15 X0954ANLIBX0954ASLAI
D  1  2 -2863444  1  3  2043535  2  3 -9521690
 
Axx2004 4 4   4 4 4
B2004 4 4 0 0   4 4 4 359 1 page5 v0310.28IGS     222 1 2 27NGS   2004 517IFDDFX
Iant_info.003        NGS   20040123
C00090002  878155990    4 1078822403   22 1194506291   18 X0954ANLIBX0954ABLRW
D  1  2   375896  1  3  2361045  2  3 -8571517
 
Axx2004 4 4   4 4 4
B2004 4 4 0 0   4 4 4 359 1 page5 v0310.28IGS     222 1 2 27NGS   2004 517IFDDFX
Iant_info.003        NGS   20040123
C00090003  900242603    5-1542068857   25-1773753484   17 X0954ANLIBX0954AWNCI
D  1  2 -4347509  1  3  1869815  2  3 -8366038
 
                   POST-FIT RMS BY SATELLITE VS. BASELINE
                                                         
 POST-FIT RMS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 slai-nlib|  0.009    ...  0.010  0.011  0.011    ...  0.009  0.016  0.009
                19     20     21     22     25     30
 slai-nlib|    ...  0.008  0.013  0.009  0.008  0.008                     

 POST-FIT RMS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 blrw-nlib|  0.010    ...  0.012  0.011  0.012    ...  0.011    ...  0.010
                19     20     21     22     25     30
 blrw-nlib|    ...  0.012  0.010  0.009  0.008  0.009                     

 POST-FIT RMS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 wnci-nlib|  0.009    ...  0.012  0.009  0.012    ...  0.008  0.015  0.009
                19     20     21     22     25     30
 wnci-nlib|    ...  0.011  0.007  0.007  0.008  0.008                     

                        OBS BY SATELLITE VS. BASELINE
                                                     
 OBS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 slai-nlib|   2300    ...    101    182    257    ...    279     22    257
                19     20     21     22     25     30
 slai-nlib|    ...     95     73    433    343    258                     

 OBS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 blrw-nlib|   2293    ...    124    193    247    ...    276    ...    269
                19     20     21     22     25     30
 blrw-nlib|    ...     95     68    430    333    258                     

 OBS BY SATELLITE VS. BASELINE
            OVERALL     03     05     09     11     14     15     16     18
 wnci-nlib|   2289    ...    121    186    240    ...    280     22    262
                19     20     21     22     25     30
 wnci-nlib|    ...     83     70    430    342    253                     

                                           

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000001711    -0.0000001821     0.0000001140
   -0.0000001821     0.0000031844    -0.0000021157
    0.0000001140    -0.0000021157     0.0000018622

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000001834    -0.0000000469     0.0000003122
   -0.0000000469     0.0000003424    -0.0000003988
    0.0000003122    -0.0000003988     0.0000046919

 Horizontal network accuracy =    0.00128 meters.
 Vertical network accuracy   =    0.00425 meters.


        Derivation of NAD 83 Position

  ITRF vectors from unknown station monument to reference station monument 
   in Reference Frame ITRF00  epoch 2004.2571 from pages
            Xr-X= DX(m)     Yr-Y= DY(m)     Zr-Z= DZ(m)
       SLAI   -175797.00600     17599.90580     10729.96820
       BLRW     87815.59900    107882.24030    119450.62910
       WNCI     90024.26030   -154206.88570   -177375.34840
 
  Vectors from unknown station monument to reference station monument 
   rotated and scaled into NAD83 at epoch 2004.2571
                  DX(m)           DY(m)           DZ(m)
       SLAI   -175797.00513     17599.91673     10729.96259
       BLRW     87815.60254    107882.25073    119450.61688
       WNCI     90024.25522   -154206.91320   -177375.32682
 
  Position of reference station ARP in NAD83 from NGSIDB at specified epoch.
                  Xr(m)           Yr(m)           Zr(m)
       SLAI   -306730.95462  -4744693.18415   4237584.70745    2002.00
       BLRW    -43118.33070  -4654410.80368   4346305.33762    2002.00
       WNCI    -40909.66787  -4916500.01644   4049479.41465    2002.00
 
  Position of reference station monument in NAD83 at specified epoch.
                  Xr(m)           Yr(m)           Zr(m)
       SLAI   -306730.95462  -4744693.18415   4237584.70745    2002.00
       BLRW    -43118.33070  -4654410.80368   4346305.33762    2002.00
       WNCI    -40909.66787  -4916500.01644   4049479.41465    2002.00
 
  Velocity of reference station monument in NAD83.
                Vx ( m/yr)      Vy ( m/yr)      Vz ( m/yr)
       SLAI         0.00050        -0.00070        -0.00140
       BLRW         0.00300         0.00440        -0.00410
       WNCI         0.00050        -0.00070        -0.00130
 
  Position of reference station monument in NAD83 at epoch 2004.2571
                  Xr(m)           Yr(m)           Zr(m)
       SLAI   -306730.95349  -4744693.18573   4237584.70429 
       BLRW    -43118.32393  -4654410.79375   4346305.32836 
       WNCI    -40909.66674  -4916500.01802   4049479.41172 
 
  Computed positions of unknown station monument in NAD83 at epoch 2004.2571
                  X (m)           Y (m)           Z (m)
       SLAI   -130933.94836  -4762293.10246   4226854.74170
       BLRW   -130933.92647  -4762293.04448   4226854.71148
       WNCI   -130933.92197  -4762293.10482   4226854.73854
              -------------   -------------   -------------
       Mean   -130933.93227  -4762293.08392   4226854.73057

 
  Final position of unknown station monument in NAD83 at epoch 2002.00 from HTDP
                  X (m)           Y (m)           Z (m)
       Mean   -130933.93200  -4762293.08400   4226854.73100

This position was computed without any knowledge by the National Geodetic
Survey regarding the equipment or field operating procedures used.