PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-03:43:00
G02     235.4          75.5                5.5 +/-    0.53       5.7 +/-    0.53  0.110 / 0.180
G05     171.8          14.6                5.4 +/-    1.43      13.4 +/-    1.43  0.120 / 0.160
G06     41.5           62.7                2.2 +/-    0.41       2.5 +/-    0.41  0.030 / 0.050
G12     321.2          47.9                3.3 +/-    0.61       4.3 +/-    0.61  0.040 / 0.040
G17     67.4           26.3                2.9 +/-    3.39       5.6 +/-    3.39  0.060 / 0.100
G19     54.3           40.5                3.7 +/-    1.07       5.3 +/-    1.07  0.070 / 0.080
G24     249.1          36.4                5.0 +/-    1.30       7.7 +/-    1.30  0.030 / 0.030