PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/08-12:27:50
G02     40.5           48.2                3.7 +/-    1.29       4.7 +/-    1.29  0.030 / 0.030
G05     133.0          67.1                6.1 +/-    0.98       6.6 +/-    0.98  0.030 / 0.030
G12     186.8          57.3                5.7 +/-    0.67       6.7 +/-    0.67  0.030 / 0.040
G25     284.4          57.0               10.3 +/-    2.04      12.0 +/-    2.04  0.030 / 0.050
G29     311.8          32.7                4.6 +/-    1.13       7.5 +/-    1.13  0.050 / 0.050