PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-09:13:00
G02     201.7          24.8                6.4 +/-    3.67      12.6 +/-    3.67  0.060 / 0.070
G06     168.1          59.8                6.1 +/-    0.79       6.9 +/-    0.79  0.060 / 0.080
G17     30.7           53.4                4.3 +/-    0.68       5.3 +/-    0.68  0.040 / 0.030
G19     330.3          69.6                3.8 +/-    0.53       4.0 +/-    0.53  0.030 / 0.020
G24     302.9          36.6                3.8 +/-    2.11       5.8 +/-    2.11  0.040 / 0.030
G28     92.9           37.9                6.1 +/-    1.76       9.2 +/-    1.76  0.040 / 0.030
G30     158.2          10.9                3.4 +/-    7.64       9.3 +/-    7.64  0.270 / 0.510