PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-11:42:30
G02     32.9           54.9                4.5 +/-    0.57       5.4 +/-    0.57  0.030 / 0.040
G05     148.5          59.4                8.1 +/-    0.76       9.2 +/-    0.76  0.020 / 0.030
G06     52.6           16.0                2.1 +/-    0.93       5.0 +/-    0.93  0.030 / 0.040
G12     191.7          67.4                5.8 +/-    1.21       6.3 +/-    1.21  0.030 / 0.040
G25     299.2          52.2                4.5 +/-    0.66       5.5 +/-    0.66  0.030 / 0.050
G29     305.5          25.9                4.6 +/-    1.07       8.8 +/-    1.07  0.040 / 0.050