PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-03:27:30
G01     222.9          13.7                8.8 +/-    3.04      22.5 +/-    3.04  0.200 / 0.460
G03     278.2          68.2                6.3 +/-    0.86       6.7 +/-    0.86  0.270 / 0.430
G09     297.2          11.6                5.6 +/-    5.72      15.0 +/-    5.72  0.040 / 0.050
G14     91.4           20.2                5.8 +/-    1.08      12.8 +/-    1.08  0.040 / 0.040
G16     148.7          47.7                8.9 +/-    1.23      11.5 +/-    1.23  0.200 / 0.560
G22     209.2          67.3                8.8 +/-    0.93       9.4 +/-    0.93  0.190 / 0.420
G23     309.8          39.2                4.7 +/-    1.09       7.0 +/-    1.09  0.030 / 0.070
G26     96.9           56.5                7.4 +/-    0.53       8.7 +/-    0.53  0.040 / 0.080
G31     45.7           32.0                4.1 +/-    0.68       7.0 +/-    0.68  0.050 / 0.100