PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-23:42:40
G03     230.3          66.0                5.9 +/-    1.24       6.4 +/-    1.24  0.100 / 0.600
G07     250.8          11.3                6.0 +/-   14.39      16.2 +/-   14.39  0.120 / 0.520
G09     306.6          23.8                5.9 +/-    0.85      11.8 +/-    0.85  0.040 / 0.050
G14     102.9          11.4                6.0 +/-    2.88      16.1 +/-    2.88  0.040 / 0.060
G16     119.4          61.3                8.7 +/-    0.49       9.8 +/-    0.49  0.080 / 0.520
G22     194.0          51.7                9.3 +/-    1.00      11.5 +/-    1.00  0.080 / 0.380
G23     320.6          50.4                5.8 +/-    0.80       7.3 +/-    0.80  0.040 / 0.040
G26     65.3           50.9                5.5 +/-    0.94       6.8 +/-    0.94  0.050 / 0.040
G31     53.5           19.2                3.5 +/-    1.73       7.9 +/-    1.73  0.040 / 0.050