PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-01:57:50
G01     223.0          13.8                6.2 +/-    1.71      15.9 +/-    1.71  0.040 / 0.040
G03     277.1          68.5                3.9 +/-    0.69       4.1 +/-    0.69  0.040 / 0.050
G09     297.0          10.9               -5.8 +/-   29.38     -16.0 +/-   29.38  0.050 / 0.080
G14     91.2           20.4                4.2 +/-    1.73       9.1 +/-    1.73  0.040 / 0.080
G16     150.4          47.0                5.6 +/-    1.34       7.4 +/-    1.34  0.060 / 0.090
G22     209.5          67.3                5.6 +/-    0.58       6.0 +/-    0.58  0.040 / 0.080
G23     309.9          39.3                3.9 +/-    1.03       5.8 +/-    1.03  0.230 / 0.540
G26     95.6           56.2                4.0 +/-    0.86       4.8 +/-    0.86  0.250 / 0.410
G31     45.6           32.2                2.0 +/-    0.59       3.4 +/-    0.59  0.130 / 0.480