PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-09:58:00
G08     320.6          11.3               -0.9 +/-   20.35      -2.6 +/-   20.35  0.030 / 0.040
G10     304.9          54.5                4.0 +/-    0.70       4.7 +/-    0.70  0.050 / 0.050
G14     210.9          16.4                5.5 +/-    5.29      13.3 +/-    5.29  0.030 / 0.050
G15     45.6           23.4                2.2 +/-    0.55       4.5 +/-    0.55  0.030 / 0.040
G20     3.5            64.9                3.8 +/-    0.63       4.2 +/-    0.63  0.130 / 0.220
G21     111.9          67.8                6.2 +/-    0.93       6.7 +/-    0.93  0.100 / 0.220
G24     90.8           27.6                5.8 +/-    1.29      10.7 +/-    1.29  0.140 / 0.440
G27     297.8          34.7                5.5 +/-    1.88       8.7 +/-    1.88  0.170 / 0.310
G32     213.0          32.0                3.4 +/-    1.51       5.7 +/-    1.51  0.080 / 0.090