PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-09:42:30
G10     281.9          46.5                5.4 +/-    1.10       7.1 +/-    1.10  0.040 / 0.040
G15     49.4           37.7                5.3 +/-    0.75       8.1 +/-    0.75  0.040 / 0.040
G20     324.9          64.5                5.5 +/-    0.50       6.0 +/-    0.50  0.110 / 0.180
G21     62.4           75.6               -5.9 +/-    1.27      -6.0 +/-    1.27  0.100 / 0.340
G24     107.5          21.2                6.6 +/-    2.44      14.1 +/-    2.44  0.080 / 0.050
G27     312.7          26.1                3.9 +/-    1.17       7.4 +/-    1.17  0.090 / 0.050
G29     165.9          14.2                5.8 +/-    1.36      14.7 +/-    1.36  0.110 / 0.220
G32     207.4          17.0                4.5 +/-    2.50      10.7 +/-    2.50  0.120 / 0.170