PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-06:12:40
G10     296.8          52.2                4.3 +/-    0.70       5.3 +/-    0.70  0.060 / 0.090
G14     209.5          11.1               -2.5 +/-   20.21      -6.7 +/-   20.21  0.070 / 0.100
G15     46.1           27.9                2.3 +/-    1.50       4.2 +/-    1.50  0.040 / 0.040
G20     350.1          65.3                3.1 +/-    0.66       3.4 +/-    0.66  0.040 / 0.050
G21     94.7           73.6                6.1 +/-    1.56       6.3 +/-    1.56  0.050 / 0.050
G24     98.1           26.0                7.2 +/-    0.70      13.7 +/-    0.70  0.040 / 0.040
G27     303.1          32.9                3.9 +/-    1.53       6.5 +/-    1.53  0.250 / 0.740
G32     210.6          26.8                5.7 +/-    1.32      10.7 +/-    1.32  0.360 / 0.690