PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-01:27:40
G02     20.2           65.8                7.0 +/-    0.77       7.6 +/-    0.77  0.030 / 0.030
G05     153.4          50.0               11.6 +/-    1.43      14.7 +/-    1.43  0.030 / 0.040
G06     47.2           26.3                8.3 +/-    0.56      15.7 +/-    0.56  0.030 / 0.050
G12     242.8          79.5                9.6 +/-    0.73       9.7 +/-    0.73  0.030 / 0.060
G19     88.3           19.1               10.3 +/-    1.19      23.2 +/-    1.19  0.100 / 0.530
G24     217.3          12.0               13.0 +/-    2.85      34.7 +/-    2.85  0.130 / 0.470
G25     311.7          42.1                7.9 +/-    1.53      11.1 +/-    1.53  0.050 / 0.090
G29     297.3          17.8                7.5 +/-    1.14      17.5 +/-    1.14  0.060 / 0.090