PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-12:57:40
G01     317.4          22.2                4.1 +/-    1.66       8.6 +/-    1.66  0.150 / 0.150
G08     252.2          10.9                5.1 +/-    2.81      14.0 +/-    2.81  0.110 / 0.130
G10     87.1           49.5                3.5 +/-    1.07       4.5 +/-    1.07  0.040 / 0.040
G11     297.6          25.6                3.9 +/-    1.24       7.6 +/-    1.24  0.040 / 0.030
G14     314.7          71.7                3.8 +/-    0.52       3.9 +/-    0.52  0.040 / 0.030
G18     297.3          46.1                4.1 +/-    7.61       5.5 +/-    7.61  0.040 / 0.040
G20     109.4          25.5                3.8 +/-    0.99       7.3 +/-    0.99  0.030 / 0.030
G22     304.0          16.5                2.6 +/-    2.33       6.3 +/-    2.33  0.030 / 0.030
G31     177.0          45.0                5.5 +/-    1.29       7.4 +/-    1.29  0.040 / 0.080
G32     7.0            66.8                3.7 +/-    0.53       3.9 +/-    0.53  0.090 / 0.090