PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-02:28:10
G02     204.0          41.4                7.3 +/-    0.71      10.4 +/-    0.71  0.090 / 0.130
G06     154.7          73.2                6.8 +/-    0.55       7.1 +/-    0.55  0.080 / 0.120
G12     309.9          18.0                4.8 +/-    0.93      11.2 +/-    0.93  0.160 / 0.180
G17     38.0           48.0                4.4 +/-    2.00       5.6 +/-    2.00  0.180 / 0.130
G19     10.7           62.3                4.4 +/-    0.58       4.9 +/-    0.58  0.030 / 0.050
G24     293.1          39.8                6.7 +/-    7.73       9.8 +/-    7.73  0.050 / 0.040
G28     107.3          27.5                6.8 +/-    1.70      12.5 +/-    1.70  0.050 / 0.030