PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-14:28:00
G02     201.6          19.4                7.6 +/-    1.77      17.1 +/-    1.77  0.190 / 0.350
G06     166.6          57.5                5.7 +/-    0.93       6.6 +/-    0.93  0.150 / 0.190
G13     225.7          12.0                6.0 +/-    1.73      16.1 +/-    1.73  0.090 / 0.070
G17     26.1           57.1                6.2 +/-    1.22       7.2 +/-    1.22  0.090 / 0.090
G19     315.2          70.1                5.4 +/-    0.75       5.7 +/-    0.75  0.280 / 0.470
G24     307.8          32.3                3.7 +/-    1.79       6.2 +/-    1.79  0.210 / 0.560
G28     89.4           39.0                5.1 +/-    0.81       7.5 +/-    0.81  0.030 / 0.040
G30     158.0          14.8                8.6 +/-    2.00      21.5 +/-    2.00  0.040 / 0.030