 FILE: gp99041l.21o OP1686248481144

                              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: gp99041l.21o                             TIME: 18:22:34 UTC


  SOFTWARE: page5  2008.25 master271.pl 160321      START: 2021/02/10  11:41:00
 EPHEMERIS: igs21443.eph [precise]                   STOP: 2021/02/10  20:20:00
  NAV FILE: brdc0410.21n                         OBS USED: 18455 / 20806   :  89%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:   116 /   129   :  90%
ARP HEIGHT: 2.0003                            OVERALL RMS: 0.018(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1114)

         X:      1210070.500(m)   0.004(m)           1210069.593(m)   0.004(m)
         Y:     -4962118.017(m)   0.010(m)          -4962116.544(m)   0.010(m)
         Z:      3807309.549(m)   0.017(m)           3807309.485(m)   0.017(m)

       LAT:   36 53 11.57719      0.009(m)        36 53 11.60758      0.009(m)
     E LON:  283 42 17.12696      0.003(m)       283 42 17.10544      0.003(m)
     W LON:   76 17 42.87304      0.003(m)        76 17 42.89456      0.003(m)
    EL HGT:          -34.974(m)   0.019(m)               -36.328(m)   0.019(m)
 ORTHO HGT:            2.078(m)   0.051(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4083070.166          1063687.683
Easting (X)  [meters]      384580.646          3696518.617
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
DL3186 LOYX LOYOLA X CORS ARP              N371635.030 W0764143.819   56022.0
DL6896 NCEL ELIZABETH CITY CORS ARP        N362028.790 W0761529.273   60593.6

                 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        -0.1651         0.0134         0.0214  VEL TIMES 11.1123 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0233        -0.0963         0.0760  ARP TO L1 PHASE CENTER
 XYZ   1186732.0980  -4942857.7290   3839380.3115  L1 PHS CEN @ 2021.1114
 XYZ        -0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1186732.0980  -4942857.7290   3839380.3115  NEW L1 PHS CEN @ 2021.1114
 XYZ   1186732.0747  -4942857.6327   3839380.2356  NEW ARP @ 2021.1114
 XYZ   1186732.0747  -4942857.6327   3839380.2356  NEW MON @ 2021.1114
 LLH  37 14 55.03892  283 30  2.24692    -21.0588  NEW L1 PHS CEN @ 2021.1114
 LLH  37 14 55.03890  283 30  2.24692    -21.1836  NEW ARP @ 2021.1114
 LLH  37 14 55.03890  283 30  2.24692    -21.1836  NEW MON @ 2021.1114

 STATION NAME: loyx  a    3 (LOYOLA X; Williamsburg, Virginia  USA)
  MONUMENT: NO DOMES NUMBER
 XYZ   1169379.2477  -4945091.3047   3841847.6380  MON @ 2010.0000 (M)
 XYZ        -0.0148         0.0009         0.0019  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        -0.1650         0.0095         0.0206  VEL TIMES 11.1122 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0160        -0.0676         0.0533  ARP TO L1 PHASE CENTER
 XYZ   1169379.0986  -4945091.3628   3841847.7119  L1 PHS CEN @ 2021.1114
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1169379.0986  -4945091.3628   3841847.7119  NEW L1 PHS CEN @ 2021.1114
 XYZ   1169379.0827  -4945091.2952   3841847.6586  NEW ARP @ 2021.1114
 XYZ   1169379.0827  -4945091.2952   3841847.6586  NEW MON @ 2021.1114
 LLH  37 16 35.06107  283 18 16.15806      0.9314  NEW L1 PHS CEN @ 2021.1114
 LLH  37 16 35.06106  283 18 16.15806      0.8439  NEW ARP @ 2021.1114
 LLH  37 16 35.06106  283 18 16.15806      0.8439  NEW MON @ 2021.1114

 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        -0.1601         0.0129         0.0196  VEL TIMES 11.1122 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0127        -0.0515         0.0392  ARP TO L1 PHASE CENTER
 XYZ   1221856.2607  -4996387.9076   3758748.8769  L1 PHS CEN @ 2021.1114
 XYZ         0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1221856.2607  -4996387.9076   3758748.8769  NEW L1 PHS CEN @ 2021.1114
 XYZ   1221856.2479  -4996387.8561   3758748.8376  NEW ARP @ 2021.1114
 XYZ   1221856.2479  -4996387.8561   3758748.8376  NEW MON @ 2021.1114
 LLH  36 20 28.82073  283 44 30.70499    -31.0630  NEW L1 PHS CEN @ 2021.1114
 LLH  36 20 28.82072  283 44 30.70498    -31.1290  NEW ARP @ 2021.1114
 LLH  36 20 28.82072  283 44 30.70498    -31.1290  NEW MON @ 2021.1114

                         REMOTE STATION INFORMATION

 STATION NAME: gp99       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1210069.8226  -4962116.6598   3807309.6587  MON @ 2021.1109 (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   1210070.2142  -4962118.2654   3807310.8990  L1 PHS CEN @ 2021.1114

 BASELINE NAME:   vagp  gp99
 XYZ        -0.2281         0.1148        -0.1776  + XYZ ADJUSTMENTS
 XYZ   1210069.9860  -4962118.1506   3807310.7214  NEW L1 PHS CEN @ 2021.1114
 XYZ   1210069.9734  -4962118.0995   3807310.6817  NEW ARP @ 2021.1114
 XYZ   1210069.5945  -4962116.5450   3807309.4811  NEW MON @ 2021.1114
 LLH  36 53 11.60746  283 42 17.10550    -34.2634  NEW L1 PHS CEN @ 2021.1114
 LLH  36 53 11.60746  283 42 17.10550    -34.3293  NEW ARP @ 2021.1114
 LLH  36 53 11.60746  283 42 17.10550    -36.3297  NEW MON @ 2021.1114

 BASELINE NAME:   loyx  gp99
 XYZ        -0.2326         0.1211        -0.1811  + XYZ ADJUSTMENTS
 XYZ   1210069.9816  -4962118.1443   3807310.7178  NEW L1 PHS CEN @ 2021.1114
 XYZ   1210069.9689  -4962118.0932   3807310.6781  NEW ARP @ 2021.1114
 XYZ   1210069.5900  -4962116.5387   3807309.4776  NEW MON @ 2021.1114
 LLH  36 53 11.60751  283 42 17.10539    -34.2712  NEW L1 PHS CEN @ 2021.1114
 LLH  36 53 11.60750  283 42 17.10538    -34.3372  NEW ARP @ 2021.1114
 LLH  36 53 11.60751  283 42 17.10539    -36.3375  NEW MON @ 2021.1114

 BASELINE NAME:   ncel  gp99
 XYZ        -0.2284         0.1112        -0.1638  + XYZ ADJUSTMENTS
 XYZ   1210069.9858  -4962118.1543   3807310.7351  NEW L1 PHS CEN @ 2021.1114
 XYZ   1210069.9731  -4962118.1031   3807310.6954  NEW ARP @ 2021.1114
 XYZ   1210069.5942  -4962116.5486   3807309.4949  NEW MON @ 2021.1114
 LLH  36 53 11.60775  283 42 17.10546    -34.2523  NEW L1 PHS CEN @ 2021.1114
 LLH  36 53 11.60775  283 42 17.10545    -34.3183  NEW ARP @ 2021.1114
 LLH  36 53 11.60775  283 42 17.10546    -36.3186  NEW MON @ 2021.1114

                                   G-FILES

Axx2021 210  21 210
B2021 2101140  21 2102019 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090002 -233375198    7  192589123   21  320707544   15 X0411AGP99X0411AVAGP
D  1  2 -8178930  1  3  5795278  2  3 -8716363

Axx2021 210  21 210
B2021 2101140  21 2102019 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090001 -406905073    8  170252435   19  345381810   14 X0411AGP99X0411ALOYX
D  1  2 -7834655  1  3  5512233  2  3 -8936344

Axx2021 210  21 210
B2021 2101140  21 2102019 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090003  117866537    6 -342713075   19 -485606573   15 X0411AGP99X0411ANCEL
D  1  2 -7936882  1  3  6488292  2  3 -8498753

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|  0.018  0.020  0.025    ...  0.025  0.016  0.018  0.013  0.021
                15     16     18     20     21     22     23     24     25
 vagp-gp99|    ...  0.020  0.017  0.018  0.021  0.026  0.017  0.019  0.015
                26     27     29     30     31     32
 vagp-gp99|  0.015  0.014  0.027    ...  0.015  0.034                   

            OVERALL     01     03     04     07     08     09     10     12
 loyx-gp99|  0.018  0.022  0.025  0.021  0.018  0.015  0.019  0.015  0.020
                15     16     18     20     21     22     23     24     25
 loyx-gp99|    ...  0.015  0.025  0.015  0.022  0.023  0.018  0.018  0.014
                26     27     29     30     31     32
 loyx-gp99|  0.016  0.014  0.028    ...  0.016  0.033                   

            OVERALL     01     03     04     07     08     09     10     12
 ncel-gp99|  0.018  0.029  0.026  0.036  0.029  0.014  0.020  0.014  0.018
                15     16     18     20     21     22     23     24     25
 ncel-gp99|    ...  0.015  0.025  0.014  0.019  0.023  0.016  0.019  0.016
                26     27     29     30     31     32
 ncel-gp99|  0.017  0.014  0.027    ...  0.016  0.025                   

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|   6101     35    283    ...    189    281    304    383    287
                15     16     18     20     21     22     23     24     25
 vagp-gp99|    ...    629     44    247    124    351    246    127    471
                26     27     29     30     31     32
 vagp-gp99|    661    413    233    ...    725     68                   
            OVERALL     01     03     04     07     08     09     10     12
 loyx-gp99|   6237     46    289      9    195    275    308    414    272
                15     16     18     20     21     22     23     24     25
 loyx-gp99|    ...    636     68    249    135    348    271    131    474
                26     27     29     30     31     32
 loyx-gp99|    668    411    229    ...    747     62                   
            OVERALL     01     03     04     07     08     09     10     12
 ncel-gp99|   6117     71    261     27    191    279    289    409    286
                15     16     18     20     21     22     23     24     25
 ncel-gp99|    ...    636     57    251    145    339    240     99    505
                26     27     29     30     31     32
 ncel-gp99|    671    395    193    ...    746     27                   


   ITRF position of gp99 as determined by individual baselines
               X              Y              Z
vagp     1210069.594   -4962116.545    3807309.481
loyx     1210069.590   -4962116.539    3807309.478
ncel     1210069.594   -4962116.549    3807309.495

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
vagp           0.002         -0.001         -0.003          0.001         -0.004         -0.001
loyx          -0.003          0.005         -0.007         -0.002         -0.002         -0.009
ncel           0.001         -0.004          0.010          0.000          0.006          0.010

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000003311    -0.0000000733     0.0000000402
   -0.0000000733     0.0000025844    -0.0000001677
    0.0000000402    -0.0000001677     0.0000014356

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000004239     0.0000002706    -0.0000003641
    0.0000002706     0.0000016476    -0.0000004568
   -0.0000003641    -0.0000004568     0.0000022797

 Horizontal network accuracy =    0.00264 meters.
 Vertical network accuracy   =    0.00296 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
       LOYX   1169379.99910  -4945092.77862   3841847.73716    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)
       VAGP   1186732.99131  -4942859.12130   3839380.31334    2010.00
       LOYX   1169379.99910  -4945092.77862   3841847.73716    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)
       VAGP         0.00113         0.00249        -0.00258
       LOYX         0.00124         0.00219        -0.00251
       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)
       VAGP    -23337.50869     19258.89570     32070.76434    2010.00
       LOYX    -40690.50090     17025.23838     34538.18816    2010.00
       NCEL     11786.65653    -34271.33951    -48560.62498    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3489782.007
Easting  (X) [feet]       12127661.496
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:      1.758 (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.