PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-00:42:40
G02     28.0           59.3                9.1 +/-    0.85      10.4 +/-    0.85  0.030 / 0.030
G05     145.6          57.4               12.6 +/-    0.70      14.6 +/-    0.70  0.030 / 0.030
G06     49.7           22.3                7.4 +/-    3.51      15.4 +/-    3.51  0.150 / 0.090
G12     219.8          75.4               10.4 +/-    0.44      10.7 +/-    0.44  0.090 / 0.120
G19     95.1           12.6               10.6 +/-    1.06      27.9 +/-    1.06  0.030 / 0.040
G25     304.1          49.7                8.8 +/-    2.93      11.1 +/-    2.93  0.030 / 0.040
G29     304.6          26.8                9.3 +/-    2.98      17.4 +/-    2.98  0.160 / 0.130