PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-11:28:10
G02     201.7          20.1                5.4 +/-    2.36      11.8 +/-    2.36  0.130 / 0.270
G06     168.7          56.9                8.1 +/-    0.63       9.5 +/-    0.63  0.150 / 0.300
G13     225.2          11.6                2.9 +/-    1.49       7.8 +/-    1.49  0.090 / 0.110
G17     26.8           56.4                4.7 +/-    0.53       5.5 +/-    0.53  0.100 / 0.110
G19     316.6          70.0                4.2 +/-    0.70       4.4 +/-    0.70  0.080 / 0.430
G24     306.5          33.7                4.9 +/-    0.99       8.0 +/-    0.99  0.080 / 0.330
G28     89.6           39.4                6.2 +/-    0.46       9.1 +/-    0.46  0.030 / 0.050
G30     158.0          14.0                6.7 +/-    1.79      17.1 +/-    1.79  0.030 / 0.040