PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-00:12:50
G02     235.6          74.4               12.2 +/-    0.51      12.6 +/-    0.51  0.070 / 0.100
G05     172.0          14.3               13.7 +/-    3.06      34.6 +/-    3.06  0.100 / 0.090
G06     41.1           64.6               10.0 +/-    0.64      10.9 +/-    0.64  0.040 / 0.060
G12     320.5          46.2               11.0 +/-    0.82      14.6 +/-    0.82  0.060 / 0.060
G17     68.7           23.2                9.5 +/-    1.81      19.4 +/-    1.81  0.040 / 0.070
G19     54.0           40.1               10.0 +/-    1.58      14.6 +/-    1.58  0.050 / 0.070
G24     246.8          36.1               12.5 +/-    1.93      19.4 +/-    1.93  0.160 / 0.000
G25     315.8          10.6              -15.9 +/-   18.76     -43.9 +/-   18.76  0.350 / 0.370