PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-17:43:00
G01     85.0           32.8               10.4 +/-    1.79      17.3 +/-    1.79  0.130 / 0.200
G07     129.3          42.0               12.7 +/-    1.35      17.9 +/-    1.35  0.180 / 0.170
G11     64.2           38.1               10.3 +/-    1.26      15.5 +/-    1.26  0.030 / 0.050
G13     289.4          37.1               14.7 +/-    2.21      22.4 +/-    2.21  0.030 / 0.050
G15     313.1          11.1                5.7 +/-   22.60      15.5 +/-   22.60  0.030 / 0.020
G17     218.4          55.7               13.7 +/-    0.93      16.1 +/-    0.93  0.030 / 0.030
G18     59.6           22.9                9.7 +/-    0.92      19.8 +/-    0.92  0.100 / 0.150
G19     216.9          29.2               13.3 +/-    1.88      23.7 +/-    1.88  0.090 / 0.170
G28     357.9          61.4               11.5 +/-    0.97      12.9 +/-    0.97  0.100 / 0.110
G30     116.9          72.5               13.0 +/-    0.57      13.5 +/-    0.57  0.100 / 0.120