PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/24-18:12:30
G02     26.3           60.5                8.0 +/-    0.84       9.0 +/-    0.84  0.040 / 0.050
G05     145.9          58.8                9.7 +/-    0.66      11.1 +/-    0.66  0.030 / 0.040
G06     52.6           16.4                8.3 +/-    1.97      20.0 +/-    1.97  0.030 / 0.040
G12     191.7          68.3                9.0 +/-    0.75       9.6 +/-    0.75  0.030 / 0.040
G19     95.9           14.9                9.0 +/-    1.69      22.5 +/-    1.69  0.050 / 0.040
G25     300.8          52.1                7.6 +/-    1.65       9.3 +/-    1.65  0.080 / 0.050
G29     304.2          24.1                8.4 +/-    1.47      16.8 +/-    1.47  0.130 / 0.260