PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/18-02:43:10
G08     314.3          16.3                5.9 +/-    2.64      14.3 +/-    2.64  0.070 / 0.080
G10     321.2          58.1               10.0 +/-    0.42      11.6 +/-    0.42  0.050 / 0.070
G14     215.5          23.1               13.6 +/-    1.61      27.7 +/-    1.61  0.030 / 0.040
G15     46.0           17.5                7.3 +/-    2.79      17.1 +/-    2.79  0.040 / 0.040
G20     347.9          64.4               11.5 +/-    2.03      12.7 +/-    2.03  0.070 / 0.080
G21     127.3          63.6               12.6 +/-    0.58      13.9 +/-    0.58  0.070 / 0.100
G24     79.5           29.6               10.3 +/-    1.75      18.2 +/-    1.75  0.330 / 0.300
G27     282.6          37.7                9.9 +/-    1.36      15.0 +/-    1.36  0.200 / 0.370
G32     218.4          48.5               12.4 +/-    1.27      15.9 +/-    1.27  0.210 / 0.360