PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-03:42:50
G02     31.9           56.2                5.1 +/-    0.94       6.0 +/-    0.94  0.030 / 0.030
G05     140.8          60.5                6.5 +/-    0.37       7.3 +/-    0.37  0.030 / 0.030
G06     50.9           21.4                4.0 +/-    2.70       8.5 +/-    2.70  0.100 / 0.060
G12     209.8          72.2                6.5 +/-    0.69       6.8 +/-    0.69  0.050 / 0.050
G19     97.8           11.1                5.2 +/-    1.32      14.1 +/-    1.32  0.120 / 0.220
G25     298.6          53.4                5.3 +/-    1.77       6.4 +/-    1.77  0.140 / 0.210
G29     308.6          31.6                5.9 +/-    1.47      10.0 +/-    1.47  0.040 / 0.040