PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-08:12:30
G02     202.7          36.3                4.7 +/-    0.93       7.4 +/-    0.93  0.080 / 0.120
G06     156.3          69.6                7.3 +/-    0.46       7.7 +/-    0.46  0.090 / 0.110
G12     308.0          18.6                4.2 +/-    2.82       9.5 +/-    2.82  0.050 / 0.080
G17     36.3           48.7                4.5 +/-    1.11       5.8 +/-    1.11  0.050 / 0.090
G19     6.6            64.1                5.0 +/-    0.46       5.5 +/-    0.46  0.030 / 0.030
G24     298.4          37.0                3.3 +/-    2.91       5.0 +/-    2.91  0.030 / 0.040
G28     98.1           38.3                6.8 +/-    0.71      10.1 +/-    0.71  0.040 / 0.040