PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-07:57:50
G10     298.4          52.6                6.3 +/-    1.91       7.7 +/-    1.91  0.060 / 0.060
G14     209.8          12.4                0.9 +/-   12.96       2.4 +/-   12.96  0.090 / 0.040
G15     45.9           26.9                3.9 +/-    1.68       7.4 +/-    1.68  0.040 / 0.030
G20     353.2          65.3                6.1 +/-    0.64       6.7 +/-    0.64  0.040 / 0.030
G21     100.1          72.0                7.2 +/-    0.88       7.6 +/-    0.88  0.090 / 0.100
G24     96.3           26.4                7.5 +/-    1.12      14.3 +/-    1.12  0.110 / 0.110
G27     302.2          33.2                4.6 +/-    3.35       7.6 +/-    3.35  0.180 / 0.180
G32     211.4          26.7                4.4 +/-    2.68       8.3 +/-    2.68  0.110 / 0.190