PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/07-04:43:10
G02     330.9          81.1                2.5 +/-    0.39       2.5 +/-    0.39  0.090 / 0.100
G05     165.3          29.5                6.1 +/-    1.71      10.7 +/-    1.71  0.070 / 0.100
G06     40.2           46.6                2.1 +/-    1.35       2.8 +/-    1.35  0.030 / 0.030
G12     317.3          64.7                1.7 +/-    0.82       1.9 +/-    0.82  0.030 / 0.030
G17     81.3           16.3                4.1 +/-    1.96       9.8 +/-    1.96  0.040 / 0.050
G19     70.6           30.3                3.7 +/-    0.96       6.5 +/-    0.96  0.040 / 0.050
G24     233.0          26.3                4.6 +/-    1.15       8.7 +/-    1.15  0.060 / 0.120
G25     317.8          23.5                2.2 +/-    1.66       4.4 +/-    1.66  0.090 / 0.160