PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-10:28:10
G02     223.6          65.7                4.4 +/-    0.82       4.8 +/-    0.82  0.080 / 0.090
G06     46.2           68.6                4.2 +/-    0.46       4.5 +/-    0.46  0.080 / 0.090
G12     320.4          42.9                3.3 +/-    0.68       4.6 +/-    0.68  0.040 / 0.050
G17     64.3           25.8                1.8 +/-    4.11       3.5 +/-    4.11  0.040 / 0.030
G19     44.0           47.0                3.3 +/-    0.77       4.3 +/-    0.77  0.030 / 0.020
G24     250.8          39.6                5.8 +/-    2.53       8.5 +/-    2.53  0.030 / 0.020
G28     126.6          9.9                 4.4 +/-    2.03      12.4 +/-    2.03  0.050 / 0.040