PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-03:27:20
G02     202.4          36.6                8.7 +/-    2.46      13.5 +/-    2.46  0.050 / 0.070
G06     164.4          67.8                6.1 +/-    0.97       6.5 +/-    0.97  0.030 / 0.030
G12     307.3          14.1                3.4 +/-    3.17       8.5 +/-    3.17  0.050 / 0.140
G17     34.3           50.8                2.9 +/-    0.54       3.6 +/-    0.54  0.060 / 0.130
G19     2.0            65.1                4.4 +/-    0.75       4.8 +/-    0.75  0.030 / 0.050
G24     298.7          37.6                4.6 +/-    0.69       6.9 +/-    0.69  0.030 / 0.050
G28     102.9          30.6                6.7 +/-    0.42      11.5 +/-    0.42  0.080 / 0.190