PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-20:27:50
G02     344.3          78.0                7.8 +/-    0.56       8.0 +/-    0.56  0.140 / 0.150
G05     163.4          34.6               12.6 +/-    1.05      20.1 +/-    1.05  0.120 / 0.170
G06     41.3           39.9                5.9 +/-    0.67       8.6 +/-    0.67  0.110 / 0.140
G12     311.8          69.7                8.9 +/-    1.15       9.4 +/-    1.15  0.110 / 0.130
G17     85.6           12.3                9.5 +/-    2.36      25.1 +/-    2.36  0.030 / 0.050
G19     75.9           25.6                9.2 +/-    1.46      17.7 +/-    1.46  0.040 / 0.040
G24     227.8          22.1               13.8 +/-    2.39      29.0 +/-    2.39  0.030 / 0.040
G25     316.9          28.9                7.1 +/-    2.04      12.8 +/-    2.04  0.030 / 0.050
G29     286.8          10.4               -5.3 +/-   24.15     -14.8 +/-   24.15  0.100 / 0.290