PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/24-01:12:30
G02     18.6           66.2                9.8 +/-    0.57      10.6 +/-    0.57  0.030 / 0.030
G05     154.3          49.0               16.1 +/-    0.86      20.5 +/-    0.86  0.030 / 0.030
G06     45.5           29.8                8.5 +/-    1.15      14.9 +/-    1.15  0.100 / 0.430
G12     263.8          78.8               11.8 +/-    0.79      12.0 +/-    0.79  0.090 / 0.370
G19     87.9           17.9               12.4 +/-    1.10      28.7 +/-    1.10  0.050 / 0.100
G24     216.8          12.2               17.8 +/-    1.99      47.3 +/-    1.99  0.060 / 0.080
G25     311.3          42.9                9.8 +/-    2.14      13.6 +/-    2.14  0.060 / 0.090
G29     298.5          21.5               11.2 +/-    1.77      23.9 +/-    1.77  0.050 / 0.090