PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-03:42:40
G01     223.3          14.2                5.2 +/-    1.69      13.1 +/-    1.69  0.170 / 0.380
G03     280.0          67.9                2.9 +/-    1.32       3.1 +/-    1.32  0.200 / 0.420
G09     296.9          11.3               -0.2 +/-   21.74      -0.6 +/-   21.74  0.050 / 0.090
G14     90.9           20.5                3.5 +/-    1.43       7.7 +/-    1.43  0.050 / 0.080
G16     148.9          47.2                6.3 +/-    1.27       8.3 +/-    1.27  0.230 / 0.410
G22     210.2          67.9                5.0 +/-    0.59       5.4 +/-    0.59  0.200 / 0.400
G23     309.3          38.7                3.2 +/-    1.06       4.8 +/-    1.06  0.050 / 0.070
G26     97.7           56.3                4.7 +/-    0.41       5.5 +/-    0.41  0.040 / 0.080
G31     45.5           32.3                1.7 +/-    1.20       2.9 +/-    1.20  0.040 / 0.030