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                6.9 +/-    0.82       7.5 +/-    0.82  0.040 / 0.040
G05     153.3          50.0               12.7 +/-    1.47      16.0 +/-    1.47  0.020 / 0.040
G06     47.1           26.6                7.7 +/-    1.17      14.5 +/-    1.17  0.030 / 0.050
G12     244.9          79.4                9.4 +/-    0.64       9.5 +/-    0.64  0.030 / 0.050
G19     88.4           18.9                8.4 +/-    1.02      19.1 +/-    1.02  0.130 / 0.490
G24     217.4          12.1               12.8 +/-    2.20      34.0 +/-    2.20  0.110 / 0.480
G25     311.7          42.0                7.2 +/-    1.30      10.2 +/-    1.30  0.030 / 0.050
G29     297.4          18.0                6.6 +/-    0.97      15.2 +/-    0.97  0.030 / 0.050