PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-02:12:30
G02     20.7           65.6                8.6 +/-    0.41       9.4 +/-    0.41  0.090 / 0.110
G05     153.3          50.0               11.8 +/-    0.87      14.8 +/-    0.87  0.110 / 0.120
G06     47.1           26.6                7.0 +/-    1.70      13.2 +/-    1.70  0.020 / 0.030
G12     244.9          79.4               10.4 +/-    0.38      10.6 +/-    0.38  0.020 / 0.030
G19     88.4           18.9                8.3 +/-    2.70      18.8 +/-    2.70  0.030 / 0.040
G24     217.4          12.1               12.1 +/-    2.37      32.2 +/-    2.37  0.030 / 0.040
G25     311.7          42.0                8.9 +/-    0.78      12.6 +/-    0.78  0.060 / 0.080
G29     297.4          18.0                8.7 +/-    1.43      20.2 +/-    1.43  0.040 / 0.060