PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-23:58:00
G03     231.9          66.4                5.5 +/-    0.90       5.9 +/-    0.90  0.100 / 0.520
G07     250.3          10.9                1.4 +/-   21.71       3.9 +/-   21.71  0.100 / 0.570
G09     306.3          23.5                5.1 +/-    0.98      10.3 +/-    0.98  0.050 / 0.060
G14     102.4          11.8                6.4 +/-    2.18      17.1 +/-    2.18  0.060 / 0.060
G16     120.4          60.9                8.0 +/-    0.38       9.0 +/-    0.38  0.090 / 0.360
G22     194.5          52.4                7.7 +/-    0.96       9.5 +/-    0.96  0.070 / 0.450
G23     320.1          49.9                5.0 +/-    1.15       6.3 +/-    1.15  0.060 / 0.050
G26     66.0           51.1                4.6 +/-    0.60       5.7 +/-    0.60  0.050 / 0.040
G31     53.3           19.4                3.0 +/-    2.03       6.7 +/-    2.03  0.040 / 0.030