PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-13:12:30
G02     219.7          60.1                5.6 +/-    0.91       6.3 +/-    0.91  0.060 / 0.080
G06     50.5           70.7                5.0 +/-    0.43       5.3 +/-    0.43  0.050 / 0.090
G12     320.1          41.4                5.3 +/-    1.05       7.6 +/-    1.05  0.030 / 0.030
G17     61.1           28.6                3.3 +/-    0.79       6.0 +/-    0.79  0.030 / 0.030
G19     38.4           50.2                3.5 +/-    0.52       4.4 +/-    0.52  0.040 / 0.040
G24     256.9          41.0                6.9 +/-    0.94       9.8 +/-    0.94  0.040 / 0.050
G28     124.4          12.2                5.2 +/-    2.53      13.7 +/-    2.53  0.050 / 0.060