PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-02:27:40
G01     230.4          21.0                7.7 +/-    1.99      16.5 +/-    1.99  0.040 / 0.040
G03     300.2          62.8                2.7 +/-    1.35       3.0 +/-    1.35  0.040 / 0.040
G14     81.5           27.8                1.4 +/-    1.05       2.6 +/-    1.05  0.110 / 0.150
G16     149.4          40.1                6.9 +/-    0.71      10.0 +/-    0.71  0.080 / 0.160
G18     205.3          10.1                5.4 +/-   10.99      15.1 +/-   10.99  0.080 / 0.190
G22     237.3          74.1                4.3 +/-    0.59       4.5 +/-    0.59  0.100 / 0.170
G23     302.5          32.3                4.4 +/-    1.28       7.4 +/-    1.28  0.080 / 0.110
G26     107.0          52.6                5.4 +/-    0.52       6.6 +/-    0.52  0.070 / 0.090
G31     43.4           37.3                0.4 +/-    0.62       0.5 +/-    0.62  0.060 / 0.080