PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-23:57:40
G03     231.9          66.4                6.6 +/-    0.89       7.2 +/-    0.89  0.110 / 0.310
G07     250.3          10.9               -6.1 +/-   12.53     -16.7 +/-   12.53  0.120 / 0.340
G09     306.3          23.5                6.6 +/-    1.60      13.3 +/-    1.60  0.070 / 0.300
G14     102.4          11.8                6.9 +/-    2.11      18.4 +/-    2.11  0.040 / 0.040
G16     120.4          60.9                7.9 +/-    0.43       8.9 +/-    0.43  0.040 / 0.040
G22     194.5          52.4                7.9 +/-    0.47       9.7 +/-    0.47  0.050 / 0.040
G23     320.1          49.9                6.5 +/-    0.72       8.1 +/-    0.72  0.050 / 0.040
G26     66.0           51.1                4.8 +/-    1.01       6.0 +/-    1.01  0.040 / 0.030
G31     53.3           19.4                3.4 +/-    3.74       7.7 +/-    3.74  0.040 / 0.030