PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-12:12:10
G02     33.1           54.7                4.0 +/-    1.47       4.8 +/-    1.47  0.040 / 0.030
G05     148.6          59.8                6.0 +/-    0.91       6.8 +/-    0.91  0.030 / 0.040
G06     53.0           15.5                3.3 +/-    2.61       8.1 +/-    2.61  0.020 / 0.040
G12     192.0          67.0                5.8 +/-    0.94       6.2 +/-    0.94  0.030 / 0.040
G25     298.5          52.5                4.5 +/-    2.49       5.6 +/-    2.49  0.060 / 0.050
G29     305.9          26.4                4.7 +/-    0.88       8.9 +/-    0.88  0.060 / 0.050