 FILE: gp99054l.21o OP1686249109992

                              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: gp99054l.21o                             TIME: 18:32:44 UTC


  SOFTWARE: page5  2008.25 master292.pl 160321      START: 2021/02/23  11:36:00
 EPHEMERIS: igs21462.eph [precise]                   STOP: 2021/02/23  19:16:00
  NAV FILE: brdc0540.21n                         OBS USED: 15548 / 18355   :  85%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:    99 /   113   :  88%
ARP HEIGHT: 2.0003                            OVERALL RMS: 0.018(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1470)

         X:      1210070.500(m)   0.005(m)           1210069.592(m)   0.005(m)
         Y:     -4962118.004(m)   0.006(m)          -4962116.531(m)   0.006(m)
         Z:      3807309.541(m)   0.004(m)           3807309.477(m)   0.004(m)

       LAT:   36 53 11.57723      0.004(m)        36 53 11.60765      0.004(m)
     E LON:  283 42 17.12707      0.004(m)       283 42 17.10554      0.004(m)
     W LON:   76 17 42.87293      0.004(m)        76 17 42.89446      0.004(m)
    EL HGT:          -34.988(m)   0.007(m)               -36.343(m)   0.007(m)
 ORTHO HGT:            2.064(m)   0.048(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4083070.168          1063687.684
Easting (X)  [meters]      384580.649          3696518.620
Convergence  [degrees]    -0.77753333           1.33812222
Point Scale                0.99976411           0.99998040
Combined Factor            0.99976960           0.99998589

US NATIONAL GRID DESIGNATOR: 18SUF8458183070(NAD 83)


                              BASE STATIONS USED
PID       DESIGNATION                        LATITUDE    LONGITUDE DISTANCE(m)
DJ5202 VAGP VA GLOUCESTER PT CORS ARP      N371455.008 W0762957.731   44091.7
DL6898 NCGA GATESVILLE CORS ARP            N362612.655 W0764316.516   62777.0
DF5272 LOY2 LOYOLA 2 COOP CORS ARP         N364550.431 W0761416.068   14532.5

                 NEAREST NGS PUBLISHED CONTROL POINT
FX3179      BABE                           N365326.857 W0761738.815     481.6




                          BASE STATION INFORMATION

 STATION NAME: vagp  a    3 (VA Gloucester Pt; Gloucester Point, Virginia  USA)
  MONUMENT: 49467M002     
 XYZ   1186732.2398  -4942857.6460   3839380.2141  MON @ 2010.0000 (M)
 XYZ        -0.0149         0.0012         0.0019  VEL (M/YR)
 NEU         0.0000         0.0000         0.0000  MON TO ARP (M)
 NEU         0.0005         0.0001         0.1249  ARP TO L1 PHASE CENTER (M)
 NEU         0.0001        -0.0002         0.1335  ARP TO L2 PHASE CENTER (M)
 XYZ        -0.1656         0.0134         0.0215  VEL TIMES 11.1478 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0233        -0.0963         0.0760  ARP TO L1 PHASE CENTER
 XYZ   1186732.0974  -4942857.7290   3839380.3116  L1 PHS CEN @ 2021.1470
 XYZ        -0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1186732.0974  -4942857.7290   3839380.3116  NEW L1 PHS CEN @ 2021.1470
 XYZ   1186732.0742  -4942857.6326   3839380.2356  NEW ARP @ 2021.1470
 XYZ   1186732.0742  -4942857.6326   3839380.2356  NEW MON @ 2021.1470
 LLH  37 14 55.03892  283 30  2.24690    -21.0588  NEW L1 PHS CEN @ 2021.1470
 LLH  37 14 55.03891  283 30  2.24690    -21.1837  NEW ARP @ 2021.1470
 LLH  37 14 55.03891  283 30  2.24690    -21.1837  NEW MON @ 2021.1470

 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 @ 2021.1470
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1179988.2621  -4999988.1033   3767286.8158  NEW L1 PHS CEN @ 2021.1470
 XYZ   1179988.2498  -4999988.0518   3767286.7765  NEW ARP @ 2021.1470
 XYZ   1179988.2498  -4999988.0518   3767286.7765  NEW MON @ 2021.1470
 LLH  36 26 12.68517  283 16 43.46172    -21.7937  NEW L1 PHS CEN @ 2021.1470
 LLH  36 26 12.68516  283 16 43.46172    -21.8597  NEW ARP @ 2021.1470
 LLH  36 26 12.68516  283 16 43.46172    -21.8597  NEW MON @ 2021.1470

 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 @ 2021.1470
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1216985.3147  -4968826.6390   3796431.0510  NEW L1 PHS CEN @ 2021.1470
 XYZ   1216985.2981  -4968826.5711   3796430.9984  NEW ARP @ 2021.1470
 XYZ   1216985.2981  -4968826.5711   3796430.9984  NEW MON @ 2021.1470
 LLH  36 45 50.46149  283 45 43.91017    -24.7287  NEW L1 PHS CEN @ 2021.1470
 LLH  36 45 50.46147  283 45 43.91017    -24.8162  NEW ARP @ 2021.1470
 LLH  36 45 50.46147  283 45 43.91017    -24.8162  NEW MON @ 2021.1470

                         REMOTE STATION INFORMATION

 STATION NAME: gp99       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1210069.8379  -4962116.6474   3807309.6564  MON @ 2021.1465 (M)
 NEU        -0.0002        -0.0001         2.0003  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         0.3789        -1.5545         1.2005  MON TO ARP
 XYZ         0.0126        -0.0511         0.0397  ARP TO L1 PHASE CENTER
 XYZ   1210070.2295  -4962118.2530   3807310.8967  L1 PHS CEN @ 2021.1470

 BASELINE NAME:   vagp  gp99
 XYZ        -0.2441         0.1164        -0.1805  + XYZ ADJUSTMENTS
 XYZ   1210069.9854  -4962118.1367   3807310.7161  NEW L1 PHS CEN @ 2021.1470
 XYZ   1210069.9728  -4962118.0855   3807310.6764  NEW ARP @ 2021.1470
 XYZ   1210069.5938  -4962116.5310   3807309.4759  NEW MON @ 2021.1470
 LLH  36 53 11.60759  283 42 17.10561    -34.2775  NEW L1 PHS CEN @ 2021.1470
 LLH  36 53 11.60759  283 42 17.10561    -34.3434  NEW ARP @ 2021.1470
 LLH  36 53 11.60759  283 42 17.10561    -36.3438  NEW MON @ 2021.1470

 BASELINE NAME:   ncga  gp99
 XYZ        -0.2445         0.1138        -0.1767  + XYZ ADJUSTMENTS
 XYZ   1210069.9850  -4962118.1392   3807310.7199  NEW L1 PHS CEN @ 2021.1470
 XYZ   1210069.9723  -4962118.0881   3807310.6802  NEW ARP @ 2021.1470
 XYZ   1210069.5934  -4962116.5336   3807309.4797  NEW MON @ 2021.1470
 LLH  36 53 11.60764  283 42 17.10557    -34.2733  NEW L1 PHS CEN @ 2021.1470
 LLH  36 53 11.60764  283 42 17.10556    -34.3393  NEW ARP @ 2021.1470
 LLH  36 53 11.60764  283 42 17.10557    -36.3396  NEW MON @ 2021.1470

 BASELINE NAME:   loy2  gp99
 XYZ        -0.2491         0.1200        -0.1797  + XYZ ADJUSTMENTS
 XYZ   1210069.9804  -4962118.1330   3807310.7170  NEW L1 PHS CEN @ 2021.1470
 XYZ   1210069.9678  -4962118.0819   3807310.6772  NEW ARP @ 2021.1470
 XYZ   1210069.5888  -4962116.5274   3807309.4767  NEW MON @ 2021.1470
 LLH  36 53 11.60771  283 42 17.10545    -34.2808  NEW L1 PHS CEN @ 2021.1470
 LLH  36 53 11.60770  283 42 17.10544    -34.3467  NEW ARP @ 2021.1470
 LLH  36 53 11.60771  283 42 17.10545    -36.3471  NEW MON @ 2021.1470

                                   G-FILES

Axx2021 223  21 223
B2021 2231136  21 2231916 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090002 -233375197    7  192588984   24  320707597   18 X0541AGP99X0541AVAGP
D  1  2 -7548938  1  3  5366573  2  3 -8817026

Axx2021 223  21 223
B2021 2231136  21 2231916 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090001 -300813436    8 -378715182   29 -400227032   21 X0541AGP99X0541ANCGA
D  1  2 -5939299  1  3  7468625  2  3 -8863637

Axx2021 223  21 223
B2021 2231136  21 2231916 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090004   69157093    8  -67100437   26 -108784783   19 X0541AGP99X0541ALOY2
D  1  2 -7500922  1  3  4992768  2  3 -8543200

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|  0.017  0.018  0.017  0.017  0.030  0.020  0.023  0.014  0.023
                16     20     21     22     23     24     25     26     27
 vagp-gp99|  0.017  0.017  0.019  0.024  0.019  0.036  0.022  0.018  0.013
                29     30     31     32
 vagp-gp99|  0.020    ...  0.014  0.014                                 

            OVERALL     01     03     04     07     08     09     10     12
 ncga-gp99|  0.019  0.000  0.020  0.022  0.027  0.017  0.025  0.015  0.020
                16     20     21     22     23     24     25     26     27
 ncga-gp99|  0.014  0.019  0.023  0.019  0.023    ...  0.024  0.017  0.015
                29     30     31     32
 ncga-gp99|  0.029    ...  0.015  0.016                                 

            OVERALL     01     03     04     07     08     09     10     12
 loy2-gp99|  0.019    ...  0.018  0.019  0.026  0.018  0.022  0.016  0.022
                16     20     21     22     23     24     25     26     27
 loy2-gp99|  0.013  0.019  0.021  0.018  0.027    ...  0.019  0.021  0.020
                29     30     31     32
 loy2-gp99|  0.031    ...  0.016  0.018                                 

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|   5428     26    280    459    179    265    295    307    198
                16     20     21     22     23     24     25     26     27
 vagp-gp99|    477    158    141    337    177     27     64    211    400
                29     30     31     32
 vagp-gp99|    215    ...    708    504                                 
            OVERALL     01     03     04     07     08     09     10     12
 ncga-gp99|   5087      1    270    488    157    250    290    247    175
                16     20     21     22     23     24     25     26     27
 ncga-gp99|    442    160    142    320    182    ...     60    192    397
                29     30     31     32
 ncga-gp99|    125    ...    684    505                                 
            OVERALL     01     03     04     07     08     09     10     12
 loy2-gp99|   5033    ...    260    452    126    219    291    297    206
                16     20     21     22     23     24     25     26     27
 loy2-gp99|    399    117    133    298    172    ...     62    224    368
                29     30     31     32
 loy2-gp99|    207    ...    693    509                                 


   ITRF position of gp99 as determined by individual baselines
               X              Y              Z
vagp     1210069.594   -4962116.531    3807309.476
ncga     1210069.593   -4962116.534    3807309.480
loy2     1210069.589   -4962116.527    3807309.477

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
vagp           0.002         -0.000         -0.002          0.002         -0.002         -0.000
ncga           0.001         -0.003          0.002          0.001         -0.000          0.004
loy2          -0.003          0.003         -0.001         -0.002          0.002         -0.004

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000003600    -0.0000000881     0.0000000616
   -0.0000000881     0.0000044289    -0.0000002885
    0.0000000616    -0.0000002885     0.0000024200

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000005478     0.0000005062    -0.0000006933
    0.0000005062     0.0000027879    -0.0000007884
   -0.0000006933    -0.0000007884     0.0000038732

 Horizontal network accuracy =    0.00341 meters.
 Vertical network accuracy   =    0.00386 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)
       VAGP   1186732.99131  -4942859.12130   3839380.31334    2010.00
       NCGA   1179989.15672  -4999989.55113   3767286.85925    2010.00
       LOY2   1216986.21328  -4968828.05975   3796431.07260    2010.00

  Position of reference station monument in NAD_83(2011)(EPOCH:2010.0000).
                  Xr(m)           Yr(m)           Zr(m)
       VAGP   1186732.99131  -4942859.12130   3839380.31334    2010.00
       NCGA   1179989.15672  -4999989.55113   3767286.85925    2010.00
       LOY2   1216986.21328  -4968828.05975   3796431.07260    2010.00

  Velocity of reference station monument in NAD_83(2011)(EPOCH:2010.0000).
                  Vx (m/yr)       Vy (m/yr)       Vz (m/yr)
       VAGP         0.00113         0.00249        -0.00258
       NCGA         0.00158         0.00257        -0.00233
       LOY2         0.00108         0.00179        -0.00198

  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)
       VAGP    -23337.50869     19258.88270     32070.77234    2010.00
       NCGA    -30081.34328    -37871.54713    -40022.68175    2010.00
       LOY2      6915.71328     -6710.05575    -10878.46840    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3489782.010
Easting  (X) [feet]       12127661.506
Convergence  [degrees]      1.33812222
Point Scale                 0.99998040
Combined Factor             0.99998589


              ********** 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:      1.743 (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.