PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-12:27:20
G02     45.1           44.0                3.5 +/-    0.66       4.8 +/-    0.66  0.030 / 0.050
G05     116.9          70.2                5.7 +/-    0.48       6.0 +/-    0.48  0.040 / 0.060
G12     184.9          50.9                6.8 +/-    1.95       8.5 +/-    1.95  0.030 / 0.030
G25     273.3          58.3                6.1 +/-    1.13       7.1 +/-    1.13  0.020 / 0.030
G29     315.5          37.1                3.2 +/-    0.77       4.9 +/-    0.77  0.040 / 0.050