PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-04:57:20
G02     46.4           43.3                3.3 +/-    1.19       4.6 +/-    1.19  0.050 / 0.050
G05     97.9           69.1                4.6 +/-    0.76       4.9 +/-    0.76  0.040 / 0.050
G06     60.6           9.6                 2.3 +/-    2.57       6.5 +/-    2.57  0.030 / 0.020
G12     191.5          53.7                4.4 +/-    1.01       5.4 +/-    1.01  0.030 / 0.020
G25     265.4          59.4                4.1 +/-    1.43       4.7 +/-    1.43  0.040 / 0.050
G29     320.9          44.5                2.2 +/-    1.11       3.0 +/-    1.11  0.050 / 0.050