PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-23:27:40
G03     243.0          68.7                6.3 +/-    0.58       6.7 +/-    0.58  0.120 / 0.370
G09     303.8          20.1                5.2 +/-    1.70      11.5 +/-    1.70  0.130 / 0.360
G14     99.1           14.5                7.9 +/-    2.65      20.0 +/-    2.65  0.040 / 0.030
G16     129.0          57.9                9.2 +/-    0.62      10.6 +/-    0.62  0.040 / 0.040
G22     197.4          56.8                7.4 +/-    0.78       8.7 +/-    0.78  0.040 / 0.020
G23     316.9          46.5                7.5 +/-    0.94       9.8 +/-    0.94  0.040 / 0.020
G26     72.9           53.3                6.7 +/-    0.94       8.1 +/-    0.94  0.040 / 0.040
G31     51.0           22.9                5.4 +/-    2.49      11.2 +/-    2.49  0.050 / 0.050