PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-20:13:00
G02     201.3          26.5               17.1 +/-    1.50      32.3 +/-    1.50  0.090 / 0.280
G06     165.7          61.4               16.6 +/-    0.78      18.6 +/-    0.78  0.130 / 0.340
G12     303.5          10.6               -1.3 +/-   28.80      -3.7 +/-   28.80  0.090 / 0.120
G17     25.6           56.9               13.2 +/-    0.53      15.4 +/-    0.53  0.090 / 0.120
G19     335.1          69.5               14.5 +/-    0.76      15.4 +/-    0.76  0.030 / 0.040
G24     305.2          34.0               14.5 +/-    1.07      23.4 +/-    1.07  0.020 / 0.050
G28     94.6           36.1               12.9 +/-    0.90      20.1 +/-    0.90  0.080 / 0.140