PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-10:42:30
G02     204.3          33.4                5.2 +/-    2.29       8.4 +/-    2.29  0.070 / 0.090
G06     157.5          70.1                5.3 +/-    0.78       5.6 +/-    0.78  0.070 / 0.090
G12     308.3          17.1                3.0 +/-    2.64       7.2 +/-    2.64  0.090 / 0.210
G17     38.8           46.6                3.2 +/-    0.21       4.2 +/-    0.21  0.080 / 0.130
G19     354.1          66.2                2.3 +/-    1.08       2.5 +/-    1.08  0.030 / 0.030
G24     293.5          41.0                3.5 +/-    0.90       5.0 +/-    0.90  0.030 / 0.030
G28     102.6          31.9                6.0 +/-    0.82      10.1 +/-    0.82  0.040 / 0.040