PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/24-08:43:10
G05     48.4           17.3                1.7 +/-    1.86       4.1 +/-    1.86  0.070 / 0.050
G10     235.2          12.2               -2.7 +/-   25.51      -7.1 +/-   25.51  0.040 / 0.040
G13     76.9           35.9                6.2 +/-    1.49       9.7 +/-    1.49  0.120 / 0.390
G15     125.2          51.7                6.9 +/-    0.68       8.5 +/-    0.68  0.150 / 0.500
G20     247.1          36.2                6.5 +/-    2.15      10.0 +/-    2.15  0.080 / 0.080
G21     316.3          49.7                4.0 +/-    0.82       5.1 +/-    0.82  0.080 / 0.070
G25     197.8          10.9                2.3 +/-    4.61       6.3 +/-    4.61  0.320 / 0.350
G26     294.1          18.3                3.0 +/-    1.08       6.9 +/-    1.08  0.450 / 0.240
G29     149.4          68.9                7.9 +/-    0.56       8.4 +/-    0.56  0.220 / 0.150