PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/26-05:42:40
G02     204.9          44.3                7.5 +/-    0.92      10.2 +/-    0.92  0.110 / 0.150
G06     156.5          74.5                7.6 +/-    0.33       7.8 +/-    0.33  0.080 / 0.190
G12     311.1          19.6                2.5 +/-    1.82       5.4 +/-    1.82  0.080 / 0.200
G17     42.3           44.4                3.7 +/-    1.39       5.0 +/-    1.39  0.120 / 0.140
G19     16.8           60.2                4.2 +/-    0.81       4.7 +/-    0.81  0.080 / 0.080
G24     290.4          40.4                2.1 +/-    5.28       3.1 +/-    5.28  0.080 / 0.080
G28     109.7          25.6                5.0 +/-    2.01       9.7 +/-    2.01  0.060 / 0.050