PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-12:28:10
G02     218.4          59.2                7.3 +/-    0.82       8.4 +/-    0.82  0.080 / 0.100
G06     53.1           72.3                6.0 +/-    0.48       6.2 +/-    0.48  0.080 / 0.080
G12     319.6          39.6                4.3 +/-    0.68       6.2 +/-    0.68  0.060 / 0.060
G17     60.1           29.3                4.4 +/-    1.15       7.8 +/-    1.15  0.060 / 0.070
G19     37.0           50.9                3.1 +/-    0.30       3.9 +/-    0.30  0.040 / 0.040
G24     258.4          41.6                7.8 +/-    1.42      11.0 +/-    1.42  0.040 / 0.030
G28     123.5          13.3                6.1 +/-    1.51      15.7 +/-    1.51  0.050 / 0.070