 FILE: brmr041l.21o OP1686248407423

                              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: brmr041l.21o                             TIME: 18:21:07 UTC


  SOFTWARE: page5  2008.25 master291.pl 160321      START: 2021/02/10  11:52:00
 EPHEMERIS: igs21443.eph [precise]                   STOP: 2021/02/10  19:04:00
  NAV FILE: brdc0410.21n                         OBS USED: 17456 / 18676   :  93%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:   103 /   105   :  98%
ARP HEIGHT: 1.9999                            OVERALL RMS: 0.014(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1113)

         X:      1210150.166(m)   0.004(m)           1210149.259(m)   0.004(m)
         Y:     -4964281.857(m)   0.010(m)          -4964280.383(m)   0.010(m)
         Z:      3804479.635(m)   0.004(m)           3804479.570(m)   0.004(m)

       LAT:   36 51 16.85016      0.003(m)        36 51 16.88051      0.003(m)
     E LON:  283 41 59.55666      0.002(m)       283 41 59.53517      0.002(m)
     W LON:   76 18  0.44334      0.002(m)        76 18  0.46483      0.002(m)
    EL HGT:          -36.064(m)   0.011(m)               -37.421(m)   0.011(m)
 ORTHO HGT:            1.017(m)   0.047(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4079540.611          1060141.929
Easting (X)  [meters]      384097.566          3696166.071
Convergence  [degrees]    -0.77988333           1.33516111
Point Scale                0.99976549           0.99998519
Combined Factor            0.99977115           0.99999085

US NATIONAL GRID DESIGNATOR: 18SUF8409879541(NAD 83)


                              BASE STATIONS USED
PID       DESIGNATION                        LATITUDE    LONGITUDE DISTANCE(m)
DJ5202 VAGP VA GLOUCESTER PT CORS ARP      N371455.008 W0762957.731   47173.7
DL3186 LOYX LOYOLA X CORS ARP              N371635.030 W0764143.819   58538.9
DF5272 LOY2 LOYOLA 2 COOP CORS ARP         N364550.431 W0761416.068   11496.9

                 NEAREST NGS PUBLISHED CONTROL POINT
DG9069      BREADMAKER                     N365116.850 W0761800.443       0.0




                          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 11.1122 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 @ 2021.1113
 XYZ        -0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1186732.0980  -4942857.7290   3839380.3115  NEW L1 PHS CEN @ 2021.1113
 XYZ   1186732.0747  -4942857.6327   3839380.2356  NEW ARP @ 2021.1113
 XYZ   1186732.0747  -4942857.6327   3839380.2356  NEW MON @ 2021.1113
 LLH  37 14 55.03892  283 30  2.24692    -21.0588  NEW L1 PHS CEN @ 2021.1113
 LLH  37 14 55.03890  283 30  2.24692    -21.1836  NEW ARP @ 2021.1113
 LLH  37 14 55.03890  283 30  2.24692    -21.1836  NEW MON @ 2021.1113

 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 @ 2021.1113
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1169379.0986  -4945091.3628   3841847.7119  NEW L1 PHS CEN @ 2021.1113
 XYZ   1169379.0827  -4945091.2952   3841847.6586  NEW ARP @ 2021.1113
 XYZ   1169379.0827  -4945091.2952   3841847.6586  NEW MON @ 2021.1113
 LLH  37 16 35.06107  283 18 16.15806      0.9314  NEW L1 PHS CEN @ 2021.1113
 LLH  37 16 35.06106  283 18 16.15806      0.8439  NEW ARP @ 2021.1113
 LLH  37 16 35.06106  283 18 16.15806      0.8439  NEW MON @ 2021.1113

 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        -0.1646         0.0057         0.0284  VEL TIMES 11.1122 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0166        -0.0679         0.0527  ARP TO L1 PHASE CENTER
 XYZ   1216985.3152  -4968826.6390   3796431.0510  L1 PHS CEN @ 2021.1113
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1216985.3152  -4968826.6390   3796431.0510  NEW L1 PHS CEN @ 2021.1113
 XYZ   1216985.2986  -4968826.5711   3796430.9983  NEW ARP @ 2021.1113
 XYZ   1216985.2986  -4968826.5711   3796430.9983  NEW MON @ 2021.1113
 LLH  36 45 50.46148  283 45 43.91019    -24.7286  NEW L1 PHS CEN @ 2021.1113
 LLH  36 45 50.46147  283 45 43.91019    -24.8162  NEW ARP @ 2021.1113
 LLH  36 45 50.46147  283 45 43.91019    -24.8162  NEW MON @ 2021.1113

                         REMOTE STATION INFORMATION

 STATION NAME: brmr       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1210149.3084  -4964280.4352   3804479.7220  MON @ 2021.1109 (M)
 NEU        -0.0002        -0.0001         1.9999  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        -1.5549         1.1994  MON TO ARP
 XYZ         0.0126        -0.0512         0.0397  ARP TO L1 PHASE CENTER
 XYZ   1210149.6999  -4964282.0412   3804480.9611  L1 PHS CEN @ 2021.1113

 BASELINE NAME:   vagp  brmr
 XYZ        -0.0477         0.0518        -0.1519  + XYZ ADJUSTMENTS
 XYZ   1210149.6522  -4964281.9894   3804480.8092  NEW L1 PHS CEN @ 2021.1113
 XYZ   1210149.6396  -4964281.9383   3804480.7695  NEW ARP @ 2021.1113
 XYZ   1210149.2607  -4964280.3834   3804479.5701  NEW MON @ 2021.1113
 LLH  36 51 16.88050  283 41 59.53524    -35.3546  NEW L1 PHS CEN @ 2021.1113
 LLH  36 51 16.88050  283 41 59.53523    -35.4206  NEW ARP @ 2021.1113
 LLH  36 51 16.88050  283 41 59.53524    -37.4205  NEW MON @ 2021.1113

 BASELINE NAME:   loyx  brmr
 XYZ        -0.0479         0.0478        -0.1503  + XYZ ADJUSTMENTS
 XYZ   1210149.6520  -4964281.9935   3804480.8108  NEW L1 PHS CEN @ 2021.1113
 XYZ   1210149.6394  -4964281.9423   3804480.7711  NEW ARP @ 2021.1113
 XYZ   1210149.2605  -4964280.3874   3804479.5717  NEW MON @ 2021.1113
 LLH  36 51 16.88047  283 41 59.53519    -35.3505  NEW L1 PHS CEN @ 2021.1113
 LLH  36 51 16.88047  283 41 59.53518    -35.4165  NEW ARP @ 2021.1113
 LLH  36 51 16.88047  283 41 59.53519    -37.4164  NEW MON @ 2021.1113

 BASELINE NAME:   loy2  brmr
 XYZ        -0.0514         0.0578        -0.1539  + XYZ ADJUSTMENTS
 XYZ   1210149.6485  -4964281.9834   3804480.8072  NEW L1 PHS CEN @ 2021.1113
 XYZ   1210149.6359  -4964281.9323   3804480.7675  NEW ARP @ 2021.1113
 XYZ   1210149.2570  -4964280.3774   3804479.5681  NEW MON @ 2021.1113
 LLH  36 51 16.88058  283 41 59.53515    -35.3612  NEW L1 PHS CEN @ 2021.1113
 LLH  36 51 16.88058  283 41 59.53514    -35.4271  NEW ARP @ 2021.1113
 LLH  36 51 16.88058  283 41 59.53515    -37.4271  NEW MON @ 2021.1113

                                   G-FILES

Axx2021 210  21 210
B2021 2101152  21 21019 3 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090002 -234171859    5  214227507   14  349006655   11 X0411ABRMRX0411AVAGP
D  1  2 -7652556  1  3  5154442  2  3 -8615061

Axx2021 210  21 210
B2021 2101152  21 21019 3 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090001 -407701778    5  191890922   13  373680869   10 X0411ABRMRX0411ALOYX
D  1  2 -7139142  1  3  4809209  2  3 -8858785

Axx2021 210  21 210
B2021 2101152  21 21019 3 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090004   68360416    6  -45461937   16  -80485698   12 X0411ABRMRX0411ALOY2
D  1  2 -7400905  1  3  4803493  2  3 -8672325

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-brmr|  0.016  0.021  0.017  0.019  0.024  0.023  0.019  0.009  0.015
                15     16     18     20     21     22     23     24     25
 vagp-brmr|    ...  0.020    ...  0.018  0.017  0.014  0.011  0.018  0.011
                26     27     29     31     32
 vagp-brmr|  0.015  0.021  0.021  0.012  0.025                           

            OVERALL     01     03     04     07     08     09     10     12
 loyx-brmr|  0.013  0.019  0.012  0.011  0.019  0.011  0.012  0.010  0.015
                15     16     18     20     21     22     23     24     25
 loyx-brmr|    ...  0.018    ...  0.010  0.018  0.012  0.011  0.016  0.014
                26     27     29     31     32
 loyx-brmr|  0.011  0.012  0.021  0.011  0.021                           

            OVERALL     01     03     04     07     08     09     10     12
 loy2-brmr|  0.015  0.021  0.014  0.011  0.018  0.015  0.014  0.012  0.019
                15     16     18     20     21     22     23     24     25
 loy2-brmr|    ...  0.016    ...  0.014  0.019  0.014  0.014  0.017  0.016
                26     27     29     31     32
 loy2-brmr|  0.013  0.014  0.023  0.014  0.023                           

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 vagp-brmr|   5803    185    426    419     82    104    234    350    278
                15     16     18     20     21     22     23     24     25
 vagp-brmr|    ...     98    ...    231    258    461    214     91    460
                26     27     29     31     32
 vagp-brmr|    587    251    241    757     76                           
            OVERALL     01     03     04     07     08     09     10     12
 loyx-brmr|   5944    178    414    419     89    104    228    379    300
                15     16     18     20     21     22     23     24     25
 loyx-brmr|    ...     97    ...    245    277    448    248    113    467
                26     27     29     31     32
 loyx-brmr|    586    248    265    761     78                           
            OVERALL     01     03     04     07     08     09     10     12
 loy2-brmr|   5709    128    383    410     90    110    232    370    294
                15     16     18     20     21     22     23     24     25
 loy2-brmr|    ...     99    ...    239    228    458    243     96    451
                26     27     29     31     32
 loy2-brmr|    551    244    271    740     72                           


   ITRF position of brmr as determined by individual baselines
               X              Y              Z
vagp     1210149.261   -4964280.383    3804479.570
loyx     1210149.261   -4964280.387    3804479.572
loy2     1210149.257   -4964280.377    3804479.568

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
vagp           0.001         -0.001          0.000          0.001         -0.000          0.001
loyx           0.001         -0.005          0.002         -0.000         -0.001          0.005
loy2          -0.002          0.005         -0.002         -0.001          0.002         -0.006

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000001467    -0.0000000316     0.0000000178
   -0.0000000316     0.0000011867    -0.0000000819
    0.0000000178    -0.0000000819     0.0000007600

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000001905     0.0000001244    -0.0000001707
    0.0000001244     0.0000008163    -0.0000001594
   -0.0000001707    -0.0000001594     0.0000010866

 Horizontal network accuracy =    0.00185 meters.
 Vertical network accuracy   =    0.00204 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
       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
       LOYX   1169379.99910  -4945092.77862   3841847.73716    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
       LOYX         0.00124         0.00219        -0.00251
       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    -23417.17469     21422.73570     34900.67834    2010.00
       LOYX    -40770.16690     19189.07838     37368.10216    2010.00
       LOY2      6836.04728     -4546.20275     -8048.56240    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3478148.979
Easting  (X) [feet]       12126504.851
Convergence  [degrees]      1.33516111
Point Scale                 0.99998519
Combined Factor             0.99999085


              ********** 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:      0.696 (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.