PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-16:57:40
G02     219.3          60.6               12.5 +/-    1.33      14.1 +/-    1.33  0.050 / 0.100
G06     50.2           69.4               11.5 +/-    0.30      12.2 +/-    0.30  0.050 / 0.130
G12     320.9          43.3                9.6 +/-    0.58      13.2 +/-    0.58  0.050 / 0.050
G17     60.6           29.4               11.1 +/-    3.24      19.7 +/-    3.24  0.060 / 0.050
G19     39.1           49.8               10.0 +/-    1.53      12.6 +/-    1.53  0.030 / 0.030
G24     259.1          41.0               14.0 +/-    4.71      20.1 +/-    4.71  0.030 / 0.030
G28     124.5          11.5               11.5 +/-    3.10      31.0 +/-    3.10  0.070 / 0.040