PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-08:42:40
G02     203.7          33.9                8.4 +/-    2.49      13.6 +/-    2.49  0.150 / 0.390
G06     160.8          68.9                7.7 +/-    0.85       8.2 +/-    0.85  0.140 / 0.330
G12     307.5          15.7                2.5 +/-    2.32       6.2 +/-    2.32  0.080 / 0.080
G17     38.5           46.7                4.2 +/-    0.20       5.5 +/-    0.20  0.060 / 0.090
G19     354.8          66.2                4.0 +/-    0.53       4.3 +/-    0.53  0.040 / 0.050
G24     293.3          41.3                6.0 +/-    0.96       8.5 +/-    0.96  0.050 / 0.050
G28     101.8          32.6                7.1 +/-    0.90      11.9 +/-    0.90  0.080 / 0.110