 FILE: gp99048n.21o OP1686248820497

                              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: gp99048n.21o                             TIME: 18:27:57 UTC


  SOFTWARE: page5  2008.25 master290.pl 160321      START: 2021/02/17  13:55:00
 EPHEMERIS: igs21453.eph [precise]                   STOP: 2021/02/17  21:07:00
  NAV FILE: brdc0480.21n                         OBS USED: 15794 / 17699   :  89%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:    80 /   100   :  80%
ARP HEIGHT: 2.0003                            OVERALL RMS: 0.017(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1308)

         X:      1210070.501(m)   0.007(m)           1210069.594(m)   0.007(m)
         Y:     -4962118.006(m)   0.018(m)          -4962116.533(m)   0.018(m)
         Z:      3807309.543(m)   0.014(m)           3807309.479(m)   0.014(m)

       LAT:   36 53 11.57726      0.001(m)        36 53 11.60765      0.001(m)
     E LON:  283 42 17.12711      0.004(m)       283 42 17.10562      0.004(m)
     W LON:   76 17 42.87289      0.004(m)        76 17 42.89438      0.004(m)
    EL HGT:          -34.985(m)   0.023(m)               -36.340(m)   0.023(m)
 ORTHO HGT:            2.067(m)   0.054(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4083070.169          1063687.686
Easting (X)  [meters]      384580.650          3696518.621
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
DF5272 LOY2 LOYOLA 2 COOP CORS ARP         N364550.431 W0761416.068   14532.5
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        -0.1654         0.0134         0.0215  VEL TIMES 11.1316 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0233        -0.0963         0.0760  ARP TO L1 PHASE CENTER
 XYZ   1186732.0977  -4942857.7290   3839380.3116  L1 PHS CEN @ 2021.1308
 XYZ        -0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1186732.0977  -4942857.7290   3839380.3116  NEW L1 PHS CEN @ 2021.1308
 XYZ   1186732.0744  -4942857.6327   3839380.2356  NEW ARP @ 2021.1308
 XYZ   1186732.0744  -4942857.6327   3839380.2356  NEW MON @ 2021.1308
 LLH  37 14 55.03892  283 30  2.24691    -21.0588  NEW L1 PHS CEN @ 2021.1308
 LLH  37 14 55.03890  283 30  2.24691    -21.1837  NEW ARP @ 2021.1308
 LLH  37 14 55.03890  283 30  2.24691    -21.1837  NEW MON @ 2021.1308

 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        -0.1649         0.0057         0.0285  VEL TIMES 11.1316 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0166        -0.0679         0.0527  ARP TO L1 PHASE CENTER
 XYZ   1216985.3149  -4968826.6390   3796431.0510  L1 PHS CEN @ 2021.1308
 XYZ         0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1216985.3149  -4968826.6390   3796431.0510  NEW L1 PHS CEN @ 2021.1308
 XYZ   1216985.2983  -4968826.5711   3796430.9983  NEW ARP @ 2021.1308
 XYZ   1216985.2983  -4968826.5711   3796430.9983  NEW MON @ 2021.1308
 LLH  36 45 50.46148  283 45 43.91018    -24.7287  NEW L1 PHS CEN @ 2021.1308
 LLH  36 45 50.46147  283 45 43.91018    -24.8162  NEW ARP @ 2021.1308
 LLH  36 45 50.46147  283 45 43.91018    -24.8162  NEW MON @ 2021.1308

 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        -0.1603         0.0129         0.0197  VEL TIMES 11.1316 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0127        -0.0515         0.0392  ARP TO L1 PHASE CENTER
 XYZ   1221856.2604  -4996387.9076   3758748.8769  L1 PHS CEN @ 2021.1308
 XYZ         0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1221856.2604  -4996387.9076   3758748.8769  NEW L1 PHS CEN @ 2021.1308
 XYZ   1221856.2477  -4996387.8561   3758748.8377  NEW ARP @ 2021.1308
 XYZ   1221856.2477  -4996387.8561   3758748.8377  NEW MON @ 2021.1308
 LLH  36 20 28.82073  283 44 30.70498    -31.0631  NEW L1 PHS CEN @ 2021.1308
 LLH  36 20 28.82072  283 44 30.70497    -31.1291  NEW ARP @ 2021.1308
 LLH  36 20 28.82072  283 44 30.70497    -31.1291  NEW MON @ 2021.1308

                         REMOTE STATION INFORMATION

 STATION NAME: gp99       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1210069.8881  -4962116.8244   3807309.7275  MON @ 2021.1304 (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   1210070.2797  -4962118.4300   3807310.9678  L1 PHS CEN @ 2021.1308

 BASELINE NAME:   vagp  gp99
 XYZ        -0.2961         0.2917        -0.2504  + XYZ ADJUSTMENTS
 XYZ   1210069.9836  -4962118.1383   3807310.7173  NEW L1 PHS CEN @ 2021.1308
 XYZ   1210069.9710  -4962118.0872   3807310.6776  NEW ARP @ 2021.1308
 XYZ   1210069.5920  -4962116.5327   3807309.4771  NEW MON @ 2021.1308
 LLH  36 53 11.60760  283 42 17.10552    -34.2758  NEW L1 PHS CEN @ 2021.1308
 LLH  36 53 11.60759  283 42 17.10552    -34.3418  NEW ARP @ 2021.1308
 LLH  36 53 11.60760  283 42 17.10552    -36.3421  NEW MON @ 2021.1308

 BASELINE NAME:   loy2  gp99
 XYZ        -0.2954         0.2995        -0.2554  + XYZ ADJUSTMENTS
 XYZ   1210069.9843  -4962118.1306   3807310.7124  NEW L1 PHS CEN @ 2021.1308
 XYZ   1210069.9717  -4962118.0794   3807310.6726  NEW ARP @ 2021.1308
 XYZ   1210069.5927  -4962116.5249   3807309.4721  NEW MON @ 2021.1308
 LLH  36 53 11.60762  283 42 17.10563    -34.2847  NEW L1 PHS CEN @ 2021.1308
 LLH  36 53 11.60761  283 42 17.10562    -34.3507  NEW ARP @ 2021.1308
 LLH  36 53 11.60762  283 42 17.10563    -36.3510  NEW MON @ 2021.1308

 BASELINE NAME:   ncel  gp99
 XYZ        -0.2895         0.2819        -0.2410  + XYZ ADJUSTMENTS
 XYZ   1210069.9902  -4962118.1481   3807310.7268  NEW L1 PHS CEN @ 2021.1308
 XYZ   1210069.9775  -4962118.0970   3807310.6870  NEW ARP @ 2021.1308
 XYZ   1210069.5986  -4962116.5425   3807309.4865  NEW MON @ 2021.1308
 LLH  36 53 11.60763  283 42 17.10569    -34.2613  NEW L1 PHS CEN @ 2021.1308
 LLH  36 53 11.60763  283 42 17.10568    -34.3273  NEW ARP @ 2021.1308
 LLH  36 53 11.60763  283 42 17.10569    -36.3276  NEW MON @ 2021.1308

                                   G-FILES

Axx2021 217  21 217
B2021 2171355  21 21721 6 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090002 -233375176    7  192589000   19  320707585   14 X0481AGP99X0481AVAGP
D  1  2 -7445706  1  3  4764043  2  3 -8469401

Axx2021 217  21 217
B2021 2171355  21 21721 6 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090004   69157056    8  -67100461   25 -108784738   18 X0481AGP99X0481ALOY2
D  1  2 -7437169  1  3  4821553  2  3 -8422484

Axx2021 217  21 217
B2021 2171355  21 21721 6 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090003  117866491    7 -342713136   22 -485606488   16 X0481AGP99X0481ANCEL
D  1  2 -8011595  1  3  6528303  2  3 -8605665

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|  0.016  0.020  0.020  0.021  0.016  0.020  0.019  0.017    ...
                14     16     17     21     22     25     26     27     28
 vagp-gp99|  0.025  0.015    ...  0.018  0.017  0.018  0.013  0.013  0.021
                29     30     31     32
 vagp-gp99|  0.022  0.027  0.012  0.012                                 

            OVERALL     01     03     04     07     08     09     10     14
 loy2-gp99|  0.019  0.017  0.026  0.020  0.017  0.022  0.021  0.020  0.018
                16     17     21     22     25     26     27     28     29
 loy2-gp99|  0.016    ...  0.019  0.020  0.021  0.019  0.018  0.018  0.030
                30     31     32
 loy2-gp99|  0.026  0.016  0.017                                         

            OVERALL     01     03     04     07     08     09     10     14
 ncel-gp99|  0.017  0.018  0.025  0.018  0.019  0.018  0.021  0.018  0.020
                16     17     21     22     25     26     27     28     29
 ncel-gp99|  0.013    ...  0.014  0.016  0.020  0.015  0.014  0.019  0.022
                30     31     32
 ncel-gp99|  0.029  0.013  0.013                                         

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-gp99|   5430    165    270    559    333    125    474     90    ...
                14     16     17     21     22     25     26     27     28
 vagp-gp99|    115    692    ...    218    318     65    193    571     78
                29     30     31     32
 vagp-gp99|    251    146    489    278                                 
            OVERALL     01     03     04     07     08     09     10     14
 loy2-gp99|   5111     89    272    559    309     99    420     85     93
                16     17     21     22     25     26     27     28     29
 loy2-gp99|    662    ...    213    318     72    178    557     34    216
                30     31     32
 loy2-gp99|    150    505    280                                         
            OVERALL     01     03     04     07     08     09     10     14
 ncel-gp99|   5253    122    296    566    324    123    457     91    114
                16     17     21     22     25     26     27     28     29
 ncel-gp99|    712    ...    220    308     75    173    550     78    161
                30     31     32
 ncel-gp99|    121    490    272                                         


   ITRF position of gp99 as determined by individual baselines
               X              Y              Z
vagp     1210069.592   -4962116.533    3807309.477
loy2     1210069.593   -4962116.525    3807309.472
ncel     1210069.599   -4962116.543    3807309.487

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
vagp          -0.002          0.001         -0.001         -0.002         -0.000         -0.002
loy2          -0.002          0.008         -0.006          0.000         -0.000         -0.011
ncel           0.004         -0.009          0.008          0.002          0.000          0.013

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000003600    -0.0000000753     0.0000000504
   -0.0000000753     0.0000031578    -0.0000002073
    0.0000000504    -0.0000002073     0.0000018067

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000004824     0.0000003448    -0.0000004628
    0.0000003448     0.0000020411    -0.0000005278
   -0.0000004628    -0.0000005278     0.0000028010

 Horizontal network accuracy =    0.00293 meters.
 Vertical network accuracy   =    0.00328 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
       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)
       VAGP   1186732.99131  -4942859.12130   3839380.31334    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)
       VAGP         0.00113         0.00249        -0.00258
       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)
       VAGP    -23337.50969     19258.88470     32070.77034    2010.00
       LOY2      6915.71228     -6710.05375    -10878.47040    2010.00
       NCEL     11786.65553    -34271.35051    -48560.61898    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3489782.016
Easting  (X) [feet]       12127661.509
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:      1.746 (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.