PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/31-02:28:10
G02     2.2            74.4                5.3 +/-    0.62       5.5 +/-    0.62  0.210 / 0.500
G05     161.0          38.9                7.9 +/-    0.88      11.8 +/-    0.88  0.510 / 0.420
G06     41.4           39.8                3.9 +/-    1.07       5.6 +/-    1.07  0.030 / 0.020
G12     305.0          72.8                6.3 +/-    0.70       6.6 +/-    0.70  0.020 / 0.030
G19     79.0           24.3                7.5 +/-    1.48      14.9 +/-    1.48  0.100 / 0.110
G24     223.2          18.9                7.9 +/-    3.53      17.8 +/-    3.53  0.080 / 0.100
G25     315.7          34.6                3.9 +/-    1.45       6.2 +/-    1.45  0.070 / 0.110
G29     291.5          16.1                3.5 +/-    3.11       8.6 +/-    3.11  0.080 / 0.110