PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-05:28:00
G08     320.5          10.9               -7.6 +/-   29.68     -20.8 +/-   29.68  0.160 / 0.480
G10     308.7          55.1                5.4 +/-    0.93       6.4 +/-    0.93  0.160 / 0.520
G14     213.1          14.8                7.9 +/-    2.22      19.7 +/-    2.22  0.040 / 0.040
G15     45.6           22.2                2.7 +/-    0.71       5.7 +/-    0.71  0.030 / 0.040
G20     32.2           60.2                6.8 +/-    0.39       7.7 +/-    0.39  0.200 / 0.370
G21     115.1          69.5                7.1 +/-    1.10       7.6 +/-    1.10  0.170 / 0.380
G24     88.7           28.7                5.7 +/-    0.75      10.3 +/-    0.75  0.060 / 0.080
G27     291.5          36.8                7.4 +/-    1.37      11.4 +/-    1.37  0.060 / 0.070
G32     213.9          41.2                7.8 +/-    0.55      11.2 +/-    0.55  0.030 / 0.050