PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-02:58:10
G03     242.3          68.2                5.4 +/-    0.99       5.8 +/-    0.99  0.040 / 0.040
G09     305.4          23.5                4.3 +/-    2.83       8.8 +/-    2.83  0.040 / 0.030
G14     99.6           14.5                4.9 +/-    1.22      12.4 +/-    1.22  0.150 / 0.310
G16     124.1          59.0                7.4 +/-    0.40       8.4 +/-    0.40  0.150 / 0.280
G22     197.0          56.1                7.1 +/-    0.74       8.4 +/-    0.74  0.030 / 0.040
G23     318.1          47.8                6.7 +/-    1.01       8.8 +/-    1.01  0.040 / 0.040
G26     68.9           51.5                5.5 +/-    0.80       6.8 +/-    0.80  0.090 / 0.100
G31     52.2           19.9                4.2 +/-    4.61       9.2 +/-    4.61  0.080 / 0.120