PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-01:57:40
G01     223.0          13.8                5.7 +/-    1.96      14.6 +/-    1.96  0.040 / 0.030
G03     277.1          68.5                3.6 +/-    0.55       3.8 +/-    0.55  0.030 / 0.030
G09     297.0          10.9              -11.4 +/-   21.69     -31.3 +/-   21.69  0.030 / 0.060
G14     91.2           20.4                4.8 +/-    2.10      10.5 +/-    2.10  0.030 / 0.050
G16     150.4          47.0                6.0 +/-    0.95       7.8 +/-    0.95  0.040 / 0.060
G22     209.5          67.3                4.7 +/-    0.77       5.0 +/-    0.77  0.040 / 0.080
G23     309.9          39.3                3.3 +/-    0.87       4.8 +/-    0.87  0.200 / 0.390
G26     95.6           56.2                4.1 +/-    2.26       4.8 +/-    2.26  0.180 / 0.570
G31     45.6           32.2                2.6 +/-    1.26       4.4 +/-    1.26  0.140 / 0.210