PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-10:12:40
G02     241.0          74.8                6.7 +/-    0.51       7.0 +/-    0.51  0.040 / 0.050
G05     173.6          14.5                4.6 +/-    2.28      11.5 +/-    2.28  0.040 / 0.040
G06     40.4           59.4                5.5 +/-    0.62       6.2 +/-    0.62  0.210 / 0.290
G12     321.5          52.0                4.7 +/-    0.48       5.8 +/-    0.48  0.320 / 0.360
G17     72.0           20.1                2.3 +/-    1.50       5.1 +/-    1.50  0.140 / 0.080
G19     54.7           40.9                4.7 +/-    1.62       6.8 +/-    1.62  0.080 / 0.090
G24     240.0          34.3                8.5 +/-    2.22      13.6 +/-    2.22  0.170 / 0.180
G25     316.6          17.1                4.0 +/-    2.78       9.5 +/-    2.78  0.160 / 0.220