PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/12-14:12:30
G01     310.9          30.0                4.8 +/-    1.19       8.4 +/-    1.19  0.070 / 0.130
G10     100.9          43.6                8.5 +/-    0.78      11.7 +/-    0.78  0.080 / 0.130
G11     290.0          26.4                6.0 +/-    2.76      11.4 +/-    2.76  0.040 / 0.040
G14     338.8          69.1                4.9 +/-    0.59       5.2 +/-    0.59  0.040 / 0.040
G22     308.6          24.6                5.2 +/-    1.86      10.2 +/-    1.86  0.270 / 0.280
G25     87.6           15.2                9.3 +/-    2.13      22.9 +/-    2.13  0.100 / 0.210
G31     168.2          60.9                9.4 +/-    0.73      10.6 +/-    0.73  0.030 / 0.030
G32     32.3           54.9                4.7 +/-    0.93       5.6 +/-    0.93  0.030 / 0.030