PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-11:42:30
G02     40.9           47.7                5.3 +/-    1.05       6.9 +/-    1.05  0.030 / 0.030
G05     131.0          67.2                8.0 +/-    0.51       8.6 +/-    0.51  0.030 / 0.030
G06     57.7           9.5                 4.6 +/-    2.20      12.9 +/-    2.20  0.030 / 0.040
G12     186.6          57.2                6.9 +/-    0.66       8.0 +/-    0.66  0.040 / 0.040
G25     284.1          57.1                6.5 +/-    4.34       7.6 +/-    4.34  0.080 / 0.080
G29     311.8          32.7                4.6 +/-    0.73       7.6 +/-    0.73  0.050 / 0.080