PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/03-00:43:10
G02     303.0          81.9                8.6 +/-    0.49       8.7 +/-    0.49  0.020 / 0.040
G05     166.5          26.7               13.4 +/-    2.69      25.3 +/-    2.69  0.030 / 0.040
G06     40.2           47.5                7.5 +/-    0.54       9.8 +/-    0.54  0.050 / 0.130
G12     319.2          63.1                9.1 +/-    1.15      10.1 +/-    1.15  0.040 / 0.110
G17     78.1           19.3                9.1 +/-    1.24      20.4 +/-    1.24  0.080 / 0.160
G19     66.9           33.1                9.7 +/-    1.09      15.9 +/-    1.09  0.100 / 0.180
G24     234.9          28.2               12.3 +/-    2.83      22.3 +/-    2.83  0.130 / 0.370
G25     317.8          20.8                7.7 +/-    3.53      16.6 +/-    3.53  0.110 / 0.350