 FILE: ou18054l.21o OP1686249172077

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

All computed coordinate accuracies are listed as peak-to-peak values.
For additional information: https://www.ngs.noaa.gov/OPUS/about.jsp#accuracy

      USER: dave.zenk@noaa.gov                       DATE: June 08, 2023
RINEX FILE: ou18054l.21o                             TIME: 18:33:56 UTC


  SOFTWARE: page5  2008.25 master251.pl 160321      START: 2021/02/23  11:52:00
 EPHEMERIS: igs21462.eph [precise]                   STOP: 2021/02/23  19:11:00
  NAV FILE: brdc0540.21n                         OBS USED: 13073 / 18173   :  72%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:   158 /   176   :  90%
ARP HEIGHT: 2.0004                            OVERALL RMS: 0.022(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1469)

         X:      1208203.544(m)   0.001(m)           1208202.636(m)   0.001(m)
         Y:     -4962621.853(m)   0.014(m)          -4962620.380(m)   0.014(m)
         Z:      3807245.675(m)   0.011(m)           3807245.611(m)   0.011(m)

       LAT:   36 53  8.99423      0.011(m)        36 53  9.02461      0.011(m)
     E LON:  283 40 59.05765      0.003(m)       283 40 59.03609      0.003(m)
     W LON:   76 19  0.94235      0.003(m)        76 19  0.96391      0.003(m)
    EL HGT:          -35.288(m)   0.013(m)               -36.643(m)   0.013(m)
 ORTHO HGT:            1.727(m)   0.052(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4083017.015          1063563.161
Easting (X)  [meters]      382647.015          3694587.854
Convergence  [degrees]    -0.79053889           1.32496111
Point Scale                0.99976966           0.99998051
Combined Factor            0.99977520           0.99998605

US NATIONAL GRID DESIGNATOR: 18SUF8264783017(NAD 83)


                              BASE STATIONS USED
PID       DESIGNATION                        LATITUDE    LONGITUDE DISTANCE(m)
DL6898 NCGA GATESVILLE CORS ARP            N362612.655 W0764316.516   61555.7
DF5272 LOY2 LOYOLA 2 COOP CORS ARP         N364550.431 W0761416.068   15251.5
DL6896 NCEL ELIZABETH CITY CORS ARP        N362028.790 W0761529.273   60651.5

                 NEAREST NGS PUBLISHED CONTROL POINT
FX3225      LAMBERT POINT WEST INCINERATOR N365301.659 W0761855.156     267.7




                          BASE STATION INFORMATION

 STATION NAME: ncga  a    1 (Gatesville; Gatesville, North Carolina  USA)
  MONUMENT: NO DOMES NUMBER
 XYZ   1179988.4082  -4999988.0666   3767286.7526  MON @ 2010.0000 (M)
 XYZ        -0.0142         0.0013         0.0021  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU         0.0002         0.0001         0.0660  ARP TO L1 PHASE CENTER (M)
 NEU         0.0003         0.0002         0.0580  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1584         0.0148         0.0240  VEL TIMES 11.1478 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0123        -0.0515         0.0393  ARP TO L1 PHASE CENTER
 XYZ   1179988.2621  -4999988.1033   3767286.8158  L1 PHS CEN @ 2021.1469
 XYZ        -0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1179988.2621  -4999988.1033   3767286.8158  NEW L1 PHS CEN @ 2021.1469
 XYZ   1179988.2498  -4999988.0518   3767286.7765  NEW ARP @ 2021.1469
 XYZ   1179988.2498  -4999988.0518   3767286.7765  NEW MON @ 2021.1469
 LLH  36 26 12.68517  283 16 43.46172    -21.7937  NEW L1 PHS CEN @ 2021.1469
 LLH  36 26 12.68516  283 16 43.46172    -21.8597  NEW ARP @ 2021.1469
 LLH  36 26 12.68516  283 16 43.46172    -21.8597  NEW MON @ 2021.1469

 STATION NAME: loy2  a    3 (LOYOLA 2 COOP; Chesapeake, Virginia, U.S.A)
  MONUMENT: 49388M001     
 XYZ   1216985.4632  -4968826.5768   3796430.9698  MON @ 2010.0000 (M)
 XYZ        -0.0148         0.0005         0.0026  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU         0.0003        -0.0000         0.0875  ARP TO L1 PHASE CENTER (M)
 NEU        -0.0001        -0.0003         0.0829  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1652         0.0057         0.0285  VEL TIMES 11.1478 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0166        -0.0679         0.0527  ARP TO L1 PHASE CENTER
 XYZ   1216985.3147  -4968826.6390   3796431.0510  L1 PHS CEN @ 2021.1469
 XYZ        -0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1216985.3147  -4968826.6390   3796431.0510  NEW L1 PHS CEN @ 2021.1469
 XYZ   1216985.2981  -4968826.5711   3796430.9984  NEW ARP @ 2021.1469
 XYZ   1216985.2981  -4968826.5711   3796430.9984  NEW MON @ 2021.1469
 LLH  36 45 50.46149  283 45 43.91017    -24.7287  NEW L1 PHS CEN @ 2021.1469
 LLH  36 45 50.46147  283 45 43.91017    -24.8162  NEW ARP @ 2021.1469
 LLH  36 45 50.46147  283 45 43.91017    -24.8162  NEW MON @ 2021.1469

 STATION NAME: ncel  a    2 (Elizabeth City; Elizabeth City, North Carolina  US
  MONUMENT: NO DOMES NUMBER
 XYZ   1221856.4080  -4996387.8690   3758748.8180  MON @ 2010.0000 (M)
 XYZ        -0.0144         0.0012         0.0018  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU         0.0002         0.0001         0.0660  ARP TO L1 PHASE CENTER (M)
 NEU         0.0003         0.0002         0.0580  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1606         0.0129         0.0197  VEL TIMES 11.1478 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0127        -0.0515         0.0392  ARP TO L1 PHASE CENTER
 XYZ   1221856.2602  -4996387.9076   3758748.8769  L1 PHS CEN @ 2021.1469
 XYZ        -0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1221856.2602  -4996387.9076   3758748.8769  NEW L1 PHS CEN @ 2021.1469
 XYZ   1221856.2474  -4996387.8561   3758748.8377  NEW ARP @ 2021.1469
 XYZ   1221856.2474  -4996387.8561   3758748.8377  NEW MON @ 2021.1469
 LLH  36 20 28.82073  283 44 30.70497    -31.0631  NEW L1 PHS CEN @ 2021.1469
 LLH  36 20 28.82073  283 44 30.70496    -31.1291  NEW ARP @ 2021.1469
 LLH  36 20 28.82073  283 44 30.70496    -31.1291  NEW MON @ 2021.1469

                         REMOTE STATION INFORMATION

 STATION NAME: ou18       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1208202.6711  -4962620.5602   3807245.8907  MON @ 2021.1466 (M)
 NEU        -0.0002        -0.0001         2.0004  MON TO ARP (M)
 NEU         0.0002         0.0001         0.0660  ARP TO L1 PHASE CENTER (M)
 NEU         0.0003         0.0002         0.0580  ARP TO L2 PHASE CENTER (M)
 XYZ         0.3784        -1.5547         1.2006  MON TO ARP
 XYZ         0.0126        -0.0511         0.0397  ARP TO L1 PHASE CENTER
 XYZ   1208203.0621  -4962622.1661   3807247.1310  L1 PHS CEN @ 2021.1469

 BASELINE NAME:   ncga  ou18
 XYZ        -0.0360         0.1865        -0.2775  + XYZ ADJUSTMENTS
 XYZ   1208203.0260  -4962621.9796   3807246.8535  NEW L1 PHS CEN @ 2021.1469
 XYZ   1208203.0135  -4962621.9285   3807246.8137  NEW ARP @ 2021.1469
 XYZ   1208202.6351  -4962620.3737   3807245.6132  NEW MON @ 2021.1469
 LLH  36 53  9.02481  283 40 59.03612    -34.5805  NEW L1 PHS CEN @ 2021.1469
 LLH  36 53  9.02480  283 40 59.03612    -34.6465  NEW ARP @ 2021.1469
 LLH  36 53  9.02481  283 40 59.03612    -36.6469  NEW MON @ 2021.1469

 BASELINE NAME:   loy2  ou18
 XYZ        -0.0348         0.1803        -0.2862  + XYZ ADJUSTMENTS
 XYZ   1208203.0273  -4962621.9857   3807246.8448  NEW L1 PHS CEN @ 2021.1469
 XYZ   1208203.0147  -4962621.9346   3807246.8051  NEW ARP @ 2021.1469
 XYZ   1208202.6363  -4962620.3799   3807245.6045  NEW MON @ 2021.1469
 LLH  36 53  9.02446  283 40 59.03611    -34.5807  NEW L1 PHS CEN @ 2021.1469
 LLH  36 53  9.02445  283 40 59.03610    -34.6467  NEW ARP @ 2021.1469
 LLH  36 53  9.02446  283 40 59.03611    -36.6471  NEW MON @ 2021.1469

 BASELINE NAME:   ncel  ou18
 XYZ        -0.0358         0.1724        -0.2748  + XYZ ADJUSTMENTS
 XYZ   1208203.0263  -4962621.9937   3807246.8562  NEW L1 PHS CEN @ 2021.1469
 XYZ   1208203.0137  -4962621.9425   3807246.8165  NEW ARP @ 2021.1469
 XYZ   1208202.6353  -4962620.3878   3807245.6159  NEW MON @ 2021.1469
 LLH  36 53  9.02461  283 40 59.03600    -34.5679  NEW L1 PHS CEN @ 2021.1469
 LLH  36 53  9.02460  283 40 59.03599    -34.6339  NEW ARP @ 2021.1469
 LLH  36 53  9.02461  283 40 59.03600    -36.6343  NEW MON @ 2021.1469

                                   G-FILES

Axx2021 223  21 223
B2021 2231152  21 2231911 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090001 -282143853   12 -373676781   33 -399588366   26 X0541AOU18X0541ANCGA
D  1  2 -6634084  1  3  8075638  2  3 -8716023

Axx2021 223  21 223
B2021 2231152  21 2231911 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090004   87826618   12  -62061912   36 -108146061   30 X0541AOU18X0541ALOY2
D  1  2 -7678637  1  3  6024612  2  3 -9154694

Axx2021 223  21 223
B2021 2231152  21 2231911 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090003  136536121    8 -337674683   30 -484967782   26 X0541AOU18X0541ANCEL
D  1  2 -7669678  1  3  6677697  2  3 -8904050

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 ncga-ou18|  0.022  0.024  0.019  0.021  0.027  0.021  0.023  0.020  0.026
                16     20     21     22     23     24     25     26     27
 ncga-ou18|  0.022  0.030  0.020  0.018  0.027    ...  0.026  0.021  0.019
                29     30     31     32
 ncga-ou18|  0.026    ...    ...  0.022                                 

            OVERALL     01     03     04     07     08     09     10     12
 loy2-ou18|  0.022  0.024  0.020  0.025  0.028  0.025  0.020  0.018  0.029
                16     20     21     22     23     24     25     26     27
 loy2-ou18|  0.024  0.024  0.020  0.018  0.016    ...  0.026  0.020  0.022
                29     30     31     32
 loy2-ou18|  0.050    ...    ...  0.023                                 

            OVERALL     01     03     04     07     08     09     10     12
 ncel-ou18|  0.020  0.025  0.018  0.019  0.019  0.018  0.020  0.017  0.028
                16     20     21     22     23     24     25     26     27
 ncel-ou18|  0.020  0.028  0.020  0.015  0.025    ...  0.025  0.020  0.017
                29     30     31     32
 ncel-ou18|  0.030    ...    ...  0.022                                 

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 ncga-ou18|   4335    110    360    425    147    193    242    249     77
                16     20     21     22     23     24     25     26     27
 ncga-ou18|    203     98    150    429    102    ...    308    583    232
                29     30     31     32
 ncga-ou18|     32    ...    ...    395                                 
            OVERALL     01     03     04     07     08     09     10     12
 loy2-ou18|   4295    108    364    432    169    176    243    250    123
                16     20     21     22     23     24     25     26     27
 loy2-ou18|    271     78    155    417     32    ...    278    496    240
                29     30     31     32
 loy2-ou18|     48    ...    ...    415                                 
            OVERALL     01     03     04     07     08     09     10     12
 ncel-ou18|   4443    171    351    461    117    196    241    261     95
                16     20     21     22     23     24     25     26     27
 ncel-ou18|    266     98    168    393     73    ...    298    570    233
                29     30     31     32
 ncel-ou18|     42    ...    ...    409                                 


   ITRF position of ou18 as determined by individual baselines
               X              Y              Z
ncga     1208202.635   -4962620.374    3807245.613
loy2     1208202.636   -4962620.380    3807245.604
ncel     1208202.635   -4962620.388    3807245.616

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
ncga          -0.000          0.007          0.002          0.001          0.006         -0.004
loy2           0.001          0.001         -0.007          0.001         -0.005         -0.004
ncel          -0.000         -0.007          0.005         -0.002         -0.000          0.008

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000006422    -0.0000001445     0.0000001146
   -0.0000001445     0.0000065556    -0.0000004798
    0.0000001146    -0.0000004798     0.0000045067

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000009067     0.0000007339    -0.0000009881
    0.0000007339     0.0000046713    -0.0000007141
   -0.0000009881    -0.0000007141     0.0000061264

 Horizontal network accuracy =    0.00440 meters.
 Vertical network accuracy   =    0.00485 meters.


                       Derivation of NAD 83 vector components


  Position of reference station ARP in NAD_83(2011)(EPOCH:2010.0000).
                  Xa(m)           Ya(m)           Za(m)
       NCGA   1179989.15672  -4999989.55113   3767286.85925    2010.00
       LOY2   1216986.21328  -4968828.05975   3796431.07260    2010.00
       NCEL   1221857.15653  -4996389.35651   3758748.92402    2010.00

  Position of reference station monument in NAD_83(2011)(EPOCH:2010.0000).
                  Xr(m)           Yr(m)           Zr(m)
       NCGA   1179989.15672  -4999989.55113   3767286.85925    2010.00
       LOY2   1216986.21328  -4968828.05975   3796431.07260    2010.00
       NCEL   1221857.15653  -4996389.35651   3758748.92402    2010.00

  Velocity of reference station monument in NAD_83(2011)(EPOCH:2010.0000).
                  Vx (m/yr)       Vy (m/yr)       Vz (m/yr)
       NCGA         0.00158         0.00257        -0.00233
       LOY2         0.00108         0.00179        -0.00198
       NCEL         0.00135         0.00248        -0.00278

  Vectors from unknown station monument to reference station monument
  in NAD_83(2011)(EPOCH:2010.0000).
                Xr-X= DX(m)     Yr-Y= DY(m)     Zr-Z= DZ(m)
       NCGA    -28214.38728    -37367.69813    -39958.81575    2010.00
       LOY2      8782.66928     -6206.20675    -10814.60240    2010.00
       NCEL     13653.61253    -33767.50351    -48496.75098    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3489373.471
Easting  (X) [feet]       12121326.984
Convergence  [degrees]      1.32496111
Point Scale                 0.99998051
Combined Factor             0.99998605


              ********** New Reference Frame Preview **********

We are replacing the nations NAD 83 and NAVD 88 datums, to improve access and accuracy of
the National Spatial Reference System. More at https://geodesy.noaa.gov/datums/newdatums/

Below are approximate coordinates for this solution in the new frames:

APPROX ORTHO HGT:      1.404 (m) [PROTOTYPE (Computed using xGeoid19B,GRS80,ITRF2014)]


This position and the above vector components were computed without any
knowledge by the National Geodetic Survey regarding the equipment or
field operating procedures used.