PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-15:42:30
G02     16.8           66.1                7.5 +/-    0.58       8.2 +/-    0.58  0.100 / 0.070
G05     157.0          51.0               11.0 +/-    0.89      13.7 +/-    0.89  0.090 / 0.050
G06     48.9           22.7                6.0 +/-    1.71      12.4 +/-    1.71  0.030 / 0.020
G12     210.7          76.6                8.4 +/-    0.34       8.6 +/-    0.34  0.030 / 0.030
G19     90.1           19.3                8.4 +/-    2.96      18.8 +/-    2.96  0.030 / 0.040
G25     306.8          48.5                7.8 +/-    1.71      10.0 +/-    1.71  0.030 / 0.040
G29     299.9          20.4                6.4 +/-    1.19      14.0 +/-    1.19  0.080 / 0.100