PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-12:28:00
G01     113.4          21.8                4.7 +/-    6.15       9.9 +/-    6.15  0.030 / 0.140
G07     95.1           62.8                2.4 +/-    6.31       2.7 +/-    6.31  0.040 / 0.030
G08     42.6           24.5                8.8 +/-   29.81      17.4 +/-   29.81  0.100 / 0.190
G09     174.6          17.8                8.9 +/-   29.43      20.5 +/-   29.43  0.100 / 0.180
G11     96.8           41.7               13.2 +/-   30.48      18.7 +/-   30.48  0.040 / 0.140
G13     314.1          24.4                8.6 +/-   29.97      17.0 +/-   29.97  0.040 / 0.060
G17     203.0          32.0               12.0 +/-   31.50      20.2 +/-   31.50  0.050 / 0.160
G18     87.0           22.8                8.8 +/-   31.83      18.0 +/-   31.83  0.070 / 0.080
G28     304.2          59.4               14.1 +/-   30.80      16.1 +/-   30.80  0.100 / 0.310
G30     355.7          72.9               15.2 +/-   30.93      15.8 +/-   30.93  0.090 / 0.210