PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-03:57:30
G10     281.6          46.5                7.7 +/-    1.12      10.2 +/-    1.12  0.080 / 0.130
G15     49.5           37.7                4.0 +/-    0.92       6.0 +/-    0.92  0.090 / 0.140
G20     323.3          64.2                5.5 +/-    0.46       6.0 +/-    0.46  0.030 / 0.040
G21     46.1           76.8                6.2 +/-    0.42       6.4 +/-    0.42  0.040 / 0.040
G24     109.8          20.9                5.9 +/-    0.76      12.7 +/-    0.76  0.050 / 0.070
G27     312.5          26.7               16.7 +/-    2.09      31.4 +/-    2.09  0.050 / 0.080
G29     167.0          17.0                4.2 +/-    1.91      10.0 +/-    1.91  0.040 / 0.090
G32     207.0          17.4                7.0 +/-    2.06      16.4 +/-    2.06  0.030 / 0.080