PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-10:57:40
G02     205.3          43.0                8.1 +/-    1.66      11.3 +/-    1.66  0.070 / 0.160
G06     156.5          74.5                5.5 +/-    1.12       5.7 +/-    1.12  0.070 / 0.200
G12     311.2          19.9                3.5 +/-    1.20       7.8 +/-    1.20  0.130 / 0.260
G17     44.3           42.4                3.9 +/-    0.48       5.4 +/-    0.48  0.100 / 0.240
G19     18.5           59.6                4.7 +/-    0.70       5.3 +/-    0.70  0.030 / 0.050
G24     291.1          40.1                3.8 +/-    1.09       5.5 +/-    1.09  0.030 / 0.060
G28     109.8          25.6                6.2 +/-    1.60      11.9 +/-    1.60  0.030 / 0.030