PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-04:12:20
G02     44.9           44.6                3.8 +/-    1.67       5.2 +/-    1.67  0.050 / 0.040
G05     103.3          68.9                5.1 +/-    0.73       5.4 +/-    0.73  0.040 / 0.040
G06     59.6           10.3                4.7 +/-    2.15      13.0 +/-    2.15  0.030 / 0.040
G12     192.5          55.8                6.1 +/-    0.41       7.2 +/-    0.41  0.030 / 0.040
G25     270.1          59.2                7.0 +/-    0.77       8.0 +/-    0.77  0.030 / 0.030
G29     320.0          43.5                4.3 +/-    0.55       5.9 +/-    0.55  0.030 / 0.020