PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-17:27:50
G01     58.3           29.6               10.1 +/-    2.05      17.8 +/-    2.05  0.050 / 0.050
G07     142.0          16.5                9.5 +/-    1.15      22.8 +/-    1.15  0.050 / 0.050
G11     47.3           22.7                9.4 +/-    3.32      19.4 +/-    3.32  0.110 / 0.350
G13     260.0          35.6               14.5 +/-    1.35      22.8 +/-    1.35  0.120 / 0.280
G15     292.1          16.6               10.7 +/-    1.65      25.6 +/-    1.65  0.090 / 0.130
G17     259.1          76.2               11.6 +/-    0.37      11.9 +/-    0.37  0.080 / 0.160
G18     40.6           11.2                9.0 +/-    3.53      24.5 +/-    3.53  0.090 / 0.140
G19     233.2          52.7               13.7 +/-    2.00      16.8 +/-    2.00  0.070 / 0.130
G28     28.4           58.9               10.6 +/-    0.88      12.2 +/-    0.88  0.030 / 0.040
G30     143.8          47.5               11.6 +/-    0.69      15.2 +/-    0.69  0.030 / 0.030