PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-16:27:30
G02     35.3           53.5                8.3 +/-    0.67      10.1 +/-    0.67  0.040 / 0.060
G05     134.2          66.3               10.4 +/-    0.68      11.2 +/-    0.68  0.040 / 0.060
G06     57.6           10.3                5.8 +/-    2.69      16.2 +/-    2.69  0.030 / 0.050
G12     188.8          58.6               10.6 +/-    1.43      12.2 +/-    1.43  0.040 / 0.040
G25     282.4          58.5                7.9 +/-    0.89       9.1 +/-    0.89  0.040 / 0.040
G29     311.4          32.2                6.1 +/-    0.97      10.2 +/-    0.97  0.040 / 0.040