PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-02:12:00
G02     46.8           43.3               10.4 +/-    0.50      14.4 +/-    0.50  0.040 / 0.070
G05     95.3           68.8               11.3 +/-    0.76      12.0 +/-    0.76  0.050 / 0.060
G12     188.7          50.8               13.8 +/-    0.95      17.3 +/-    0.95  0.030 / 0.050
G25     270.0          58.1               12.1 +/-    0.57      14.0 +/-    0.57  0.030 / 0.050
G29     317.1          39.0               11.1 +/-    0.88      16.3 +/-    0.88  0.040 / 0.080