PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-00:27:50
G01     253.7          36.7                5.7 +/-    1.74       8.8 +/-    1.74  0.040 / 0.050
G03     316.4          40.4                7.8 +/-    1.62      11.3 +/-    1.62  0.040 / 0.050
G11     237.9          13.0               10.0 +/-    1.76      26.0 +/-    1.76  0.080 / 0.100
G14     57.7           42.3                5.4 +/-    0.51       7.6 +/-    0.51  0.060 / 0.100
G18     220.5          28.6                7.7 +/-    2.65      13.9 +/-    2.65  0.070 / 0.090
G22     307.5          62.9                6.6 +/-    0.67       7.3 +/-    0.67  0.060 / 0.080
G23     284.3          16.6                8.4 +/-    2.75      20.1 +/-    2.75  0.260 / 0.640
G26     138.6          36.0               10.1 +/-    0.88      15.8 +/-    0.88  0.170 / 0.600
G31     41.8           61.9                6.2 +/-    0.65       6.9 +/-    0.65  0.190 / 0.460
G32     75.5           23.9                6.0 +/-    0.55      12.1 +/-    0.55  0.090 / 0.320