PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/11-01:43:00
G02     233.9          74.5               13.6 +/-    0.27      14.0 +/-    0.27  0.030 / 0.050
G05     172.0          14.2               17.0 +/-    1.99      43.1 +/-    1.99  0.030 / 0.050
G06     41.8           62.2               11.2 +/-    0.49      12.5 +/-    0.49  0.130 / 0.170
G12     321.3          48.0               11.7 +/-    0.44      15.1 +/-    0.44  0.100 / 0.160
G17     66.0           28.0               12.1 +/-    1.73      22.2 +/-    1.73  0.030 / 0.030
G19     53.2           41.3               12.4 +/-    0.69      17.6 +/-    0.69  0.030 / 0.030
G24     249.3          36.7               14.9 +/-    0.82      22.9 +/-    0.82  0.100 / 0.080