PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-12:12:50
G10     296.1          51.8                3.5 +/-    2.15       4.3 +/-    2.15  0.240 / 0.420
G14     209.5          11.3               -5.4 +/-   11.24     -14.6 +/-   11.24  0.120 / 0.340
G15     46.3           29.0                2.2 +/-    1.08       3.9 +/-    1.08  0.080 / 0.050
G20     349.9          65.4                3.6 +/-    0.41       3.9 +/-    0.41  0.060 / 0.080
G21     101.7          69.8                5.1 +/-    0.90       5.4 +/-    0.90  0.030 / 0.040
G24     96.0           25.7                4.9 +/-    1.19       9.5 +/-    1.19  0.030 / 0.040
G27     304.2          31.9                2.7 +/-    0.94       4.5 +/-    0.94  0.080 / 0.100
G32     210.4          28.0                4.3 +/-    1.62       7.8 +/-    1.62  0.090 / 0.120