 FILE: brmr048m.21o OP1686248783213

                              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: brmr048m.21o                             TIME: 18:28:00 UTC


  SOFTWARE: page5  2008.25 master272.pl 160321      START: 2021/02/17  12:56:00
 EPHEMERIS: igs21453.eph [precise]                   STOP: 2021/02/17  21:06:00
  NAV FILE: brdc0480.21n                         OBS USED: 18571 / 20069   :  93%
  ANT NAME: TRM115000.00    NONE              # FIXED AMB:   133 /   137   :  97%
ARP HEIGHT: 1.9999                            OVERALL RMS: 0.013(m)


 REF FRAME: NAD_83(2011)(EPOCH:2010.0000)              ITRF2014 (EPOCH:2021.1307)

         X:      1210150.166(m)   0.003(m)           1210149.259(m)   0.003(m)
         Y:     -4964281.858(m)   0.008(m)          -4964280.384(m)   0.008(m)
         Z:      3804479.631(m)   0.003(m)           3804479.567(m)   0.003(m)

       LAT:   36 51 16.85005      0.003(m)        36 51 16.88044      0.003(m)
     E LON:  283 41 59.55666      0.001(m)       283 41 59.53517      0.001(m)
     W LON:   76 18  0.44334      0.001(m)        76 18  0.46483      0.001(m)
    EL HGT:          -36.066(m)   0.009(m)               -37.422(m)   0.009(m)
 ORTHO HGT:            1.015(m)   0.045(m) [NAVD88 (Computed using GEOID18)]

                        UTM COORDINATES    STATE PLANE COORDINATES
                         UTM (Zone 18)         SPC (4502 VA S)
Northing (Y) [meters]     4079540.607          1060141.925
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)
DL3186 LOYX LOYOLA X CORS ARP              N371635.030 W0764143.819   58538.9
DJ5202 VAGP VA GLOUCESTER PT CORS ARP      N371455.008 W0762957.731   47173.7
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: 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        -0.1653         0.0095         0.0206  VEL TIMES 11.1316 YRS
 XYZ         0.0000         0.0000         0.0000  MON TO ARP
 XYZ         0.0160        -0.0676         0.0533  ARP TO L1 PHASE CENTER
 XYZ   1169379.0984  -4945091.3628   3841847.7119  L1 PHS CEN @ 2021.1307
 XYZ         0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1169379.0984  -4945091.3628   3841847.7119  NEW L1 PHS CEN @ 2021.1307
 XYZ   1169379.0824  -4945091.2952   3841847.6586  NEW ARP @ 2021.1307
 XYZ   1169379.0824  -4945091.2952   3841847.6586  NEW MON @ 2021.1307
 LLH  37 16 35.06107  283 18 16.15804      0.9314  NEW L1 PHS CEN @ 2021.1307
 LLH  37 16 35.06106  283 18 16.15805      0.8439  NEW ARP @ 2021.1307
 LLH  37 16 35.06106  283 18 16.15805      0.8439  NEW MON @ 2021.1307

 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 11.1315 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 @ 2021.1307
 XYZ         0.0000        -0.0000        -0.0000  + XYZ ADJUSTMENTS
 XYZ   1186732.0977  -4942857.7290   3839380.3116  NEW L1 PHS CEN @ 2021.1307
 XYZ   1186732.0744  -4942857.6327   3839380.2356  NEW ARP @ 2021.1307
 XYZ   1186732.0744  -4942857.6327   3839380.2356  NEW MON @ 2021.1307
 LLH  37 14 55.03892  283 30  2.24691    -21.0588  NEW L1 PHS CEN @ 2021.1307
 LLH  37 14 55.03890  283 30  2.24691    -21.1837  NEW ARP @ 2021.1307
 LLH  37 14 55.03890  283 30  2.24691    -21.1837  NEW MON @ 2021.1307

 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 11.1315 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 @ 2021.1307
 XYZ        -0.0000         0.0000         0.0000  + XYZ ADJUSTMENTS
 XYZ   1216985.3149  -4968826.6390   3796431.0510  NEW L1 PHS CEN @ 2021.1307
 XYZ   1216985.2983  -4968826.5711   3796430.9983  NEW ARP @ 2021.1307
 XYZ   1216985.2983  -4968826.5711   3796430.9983  NEW MON @ 2021.1307
 LLH  36 45 50.46148  283 45 43.91018    -24.7287  NEW L1 PHS CEN @ 2021.1307
 LLH  36 45 50.46147  283 45 43.91018    -24.8162  NEW ARP @ 2021.1307
 LLH  36 45 50.46147  283 45 43.91018    -24.8162  NEW MON @ 2021.1307

                         REMOTE STATION INFORMATION

 STATION NAME: brmr       1
  MONUMENT: NO DOMES NUMBER
 XYZ   1210149.2975  -4964280.4759   3804479.6828  MON @ 2021.1302 (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   1210149.6890  -4964282.0819   3804480.9219  L1 PHS CEN @ 2021.1307

 BASELINE NAME:   loyx  brmr
 XYZ        -0.0383         0.0903        -0.1159  + XYZ ADJUSTMENTS
 XYZ   1210149.6507  -4964281.9917   3804480.8060  NEW L1 PHS CEN @ 2021.1307
 XYZ   1210149.6381  -4964281.9405   3804480.7663  NEW ARP @ 2021.1307
 XYZ   1210149.2592  -4964280.3856   3804479.5669  NEW MON @ 2021.1307
 LLH  36 51 16.88039  283 41 59.53516    -35.3550  NEW L1 PHS CEN @ 2021.1307
 LLH  36 51 16.88038  283 41 59.53515    -35.4210  NEW ARP @ 2021.1307
 LLH  36 51 16.88039  283 41 59.53516    -37.4209  NEW MON @ 2021.1307

 BASELINE NAME:   vagp  brmr
 XYZ        -0.0372         0.0886        -0.1140  + XYZ ADJUSTMENTS
 XYZ   1210149.6518  -4964281.9934   3804480.8079  NEW L1 PHS CEN @ 2021.1307
 XYZ   1210149.6392  -4964281.9422   3804480.7682  NEW ARP @ 2021.1307
 XYZ   1210149.2603  -4964280.3873   3804479.5688  NEW MON @ 2021.1307
 LLH  36 51 16.88040  283 41 59.53518    -35.3523  NEW L1 PHS CEN @ 2021.1307
 LLH  36 51 16.88039  283 41 59.53518    -35.4183  NEW ARP @ 2021.1307
 LLH  36 51 16.88040  283 41 59.53518    -37.4182  NEW MON @ 2021.1307

 BASELINE NAME:   loy2  brmr
 XYZ        -0.0401         0.0971        -0.1170  + XYZ ADJUSTMENTS
 XYZ   1210149.6489  -4964281.9848   3804480.8049  NEW L1 PHS CEN @ 2021.1307
 XYZ   1210149.6362  -4964281.9337   3804480.7652  NEW ARP @ 2021.1307
 XYZ   1210149.2574  -4964280.3788   3804479.5658  NEW MON @ 2021.1307
 LLH  36 51 16.88050  283 41 59.53515    -35.3614  NEW L1 PHS CEN @ 2021.1307
 LLH  36 51 16.88049  283 41 59.53514    -35.4273  NEW ARP @ 2021.1307
 LLH  36 51 16.88050  283 41 59.53515    -37.4273  NEW MON @ 2021.1307

                                   G-FILES

Axx2021 217  21 217
B2021 2171255  21 21721 5 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090001 -407701768    6  191890904   14  373680917   11 X0481ABRMRX0481ALOYX
D  1  2 -7478584  1  3  4644201  2  3 -8639855

Axx2021 217  21 217
B2021 2171255  21 21721 5 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090002 -234171859    5  214227547   13  349006668   10 X0481ABRMRX0481AVAGP
D  1  2 -7651382  1  3  4822784  2  3 -8429245

Axx2021 217  21 217
B2021 2171255  21 21721 5 1 page5 v2008.25IGS     137 1 2 27NGS   2023 6 8IFDDPF
IIGS20_2247          IGS   20230129
C00090004   68360410    6  -45461923   15  -80485675   11 X0481ABRMRX0481ALOY2
D  1  2 -7538655  1  3  4806010  2  3 -8572769

                   POST-FIT RMS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 loyx-brmr|  0.012  0.016  0.010  0.010  0.011  0.022  0.011  0.010  0.024
                14     16     17     20     21     22     23     25     26
 loyx-brmr|  0.015  0.010    ...  0.022  0.014  0.010  0.018  0.015  0.022
                27     28     29     30     31     32
 loyx-brmr|  0.012  0.018  0.019  0.009  0.010  0.014                   

            OVERALL     01     03     04     07     08     09     10     12
 vagp-brmr|  0.013  0.021  0.011  0.011  0.011  0.011  0.013  0.010  0.021
                14     16     17     20     21     22     23     25     26
 vagp-brmr|  0.018  0.018    ...  0.019  0.015  0.016  0.018  0.009  0.010
                27     28     29     30     31     32
 vagp-brmr|  0.016  0.021  0.018  0.013  0.017  0.009                   

            OVERALL     01     03     04     07     08     09     10     12
 loy2-brmr|  0.015  0.020  0.015  0.013  0.014  0.014  0.015  0.013  0.023
                14     16     17     20     21     22     23     25     26
 loy2-brmr|  0.017  0.014    ...  0.020  0.018  0.012  0.020  0.014  0.014
                27     28     29     30     31     32
 loy2-brmr|  0.019  0.020  0.023  0.016  0.017  0.014                   

                        OBS BY SATELLITE VS. BASELINE

            OVERALL     01     03     04     07     08     09     10     12
 loyx-brmr|   5724    242    310    567    386    108    485    126     96
                14     16     17     20     21     22     23     25     26
 loyx-brmr|     81    646    ...     39    302    328     69    166    131
                27     28     29     30     31     32
 loyx-brmr|    553     68    199    146    509    167                   
            OVERALL     01     03     04     07     08     09     10     12
 vagp-brmr|   6548    274    437    587    396    371    502    194     97
                14     16     17     20     21     22     23     25     26
 vagp-brmr|    110    662    ...     29    292    461     62    259    646
                27     28     29     30     31     32
 vagp-brmr|    146     83    228    197    103    412                   
            OVERALL     01     03     04     07     08     09     10     12
 loy2-brmr|   6299    198    390    589    401    356    484    180     96
                14     16     17     20     21     22     23     25     26
 loy2-brmr|    104    650    ...     30    298    401     76    282    659
                27     28     29     30     31     32
 loy2-brmr|    136     56    225    200     87    401                   


   ITRF position of brmr as determined by individual baselines
               X              Y              Z
loyx     1210149.259   -4964280.386    3804479.567
vagp     1210149.260   -4964280.387    3804479.569
loy2     1210149.257   -4964280.379    3804479.566

   Residuals of position determined by individual baselines from the final position
               X              Y              Z           East          North             Up
loyx           0.000         -0.002         -0.000         -0.000         -0.001          0.001
vagp           0.001         -0.003          0.002          0.000         -0.001          0.004
loy2          -0.002          0.005         -0.001         -0.000          0.002         -0.005

 Covariance Matrix for the xyz OPUS Position (meters^2).
    0.0000001711    -0.0000000337     0.0000000169
   -0.0000000337     0.0000011311    -0.0000000735
    0.0000000169    -0.0000000735     0.0000006711

 Covariance Matrix for the enu OPUS Position (meters^2).
    0.0000002095     0.0000001133    -0.0000001538
    0.0000001133     0.0000007492    -0.0000001803
   -0.0000001538    -0.0000001803     0.0000010147

 Horizontal network accuracy =    0.00179 meters.
 Vertical network accuracy   =    0.00198 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)
       LOYX   1169379.99910  -4945092.77862   3841847.73716    2010.00
       VAGP   1186732.99131  -4942859.12130   3839380.31334    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)
       LOYX   1169379.99910  -4945092.77862   3841847.73716    2010.00
       VAGP   1186732.99131  -4942859.12130   3839380.31334    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)
       LOYX         0.00124         0.00219        -0.00251
       VAGP         0.00113         0.00249        -0.00258
       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)
       LOYX    -40770.16690     19189.07938     37368.10616    2010.00
       VAGP    -23417.17469     21422.73670     34900.68234    2010.00
       LOY2      6836.04728     -4546.20175     -8048.55840    2010.00

       STATE PLANE COORDINATES - U.S. Survey Foot
         SPC (4502    VA S)
Northing (Y) [feet]        3478148.966
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:      0.695 (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.