0

9                                                               3

                                             6

Mag.N(?)

0=37°52′54″N 121°54′51″W

3=37°52′54″N 121⁰54'48"W

6=37°52′48″N 121°54′51″W

9=37°52′54″N 121⁰55'W

(?)

Radian(?)

Mag.N

0=37°52′54″N 121°54′51″W

3=37°52′54″N 121⁰54'48"W

6=37°52′48″N 121°54′51″W

9=37°52′54″N 121⁰55'W

All these are arc(?)

From point on circle's arc to centre point(?)

9  0  3 are on the same plane(?)

     6      (?)

9  0  3

    6

(?)

Centre point at between 9,0,3,6(?)

9  0  3

    Coordinate(?)

     6

(?)

9 0 3