PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-15:27:20
G02     36.7           51.7                6.2 +/-    0.91       7.6 +/-    0.91  0.030 / 0.040
G05     133.6          66.0                8.3 +/-    1.11       9.0 +/-    1.11  0.030 / 0.040
G06     56.8           10.5                6.5 +/-    3.49      18.0 +/-    3.49  0.150 / 0.310
G12     190.9          61.1                9.3 +/-    2.01      10.5 +/-    2.01  0.150 / 0.360
G25     288.6          55.8                4.5 +/-    0.62       5.4 +/-    0.62  0.040 / 0.050
G29     310.8          31.6                6.8 +/-    1.81      11.5 +/-    1.81  0.030 / 0.040