PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-12:28:10
G02     259.2          78.0                5.0 +/-    0.30       5.1 +/-    0.30  0.030 / 0.030
G05     172.5          18.8                4.0 +/-    3.16       9.1 +/-    3.16  0.030 / 0.040
G06     39.8           52.3                3.5 +/-    0.73       4.3 +/-    0.73  0.200 / 0.220
G12     321.2          59.4                3.5 +/-    0.78       3.9 +/-    0.78  0.170 / 0.240
G17     76.7           16.9                2.8 +/-    2.40       6.6 +/-    2.40  0.080 / 0.130
G19     60.3           37.9                3.0 +/-    0.92       4.5 +/-    0.92  0.070 / 0.110
G24     235.3          30.6                4.1 +/-    1.56       7.1 +/-    1.56  0.090 / 0.140
G25     317.3          21.0                2.9 +/-    1.70       6.2 +/-    1.70  0.100 / 0.130