PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/04-17:58:00
G02     241.8          74.2                9.6 +/-   37.08       9.9 +/-   37.08  0.120 / 0.140
G05     171.7          16.7               12.6 +/-   36.24      30.0 +/-   36.24  0.080 / 0.130
G06     40.8           55.3                8.2 +/-   36.04       9.7 +/-   36.04  0.030 / 0.050
G12     322.7          57.2                7.9 +/-   35.74       9.2 +/-   35.74  0.030 / 0.050
G17     72.1           21.1                6.2 +/-    8.67      13.3 +/-    8.67  0.040 / 0.040
G19     55.4           40.8                8.9 +/-   36.62      12.7 +/-   36.62  0.040 / 0.050
G24     242.4          34.1               11.3 +/-   38.81      18.3 +/-   38.81  0.080 / 0.320
G25     316.8          13.6                7.7 +/-   35.73      19.8 +/-   35.73  0.090 / 0.350