PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-16:57:50
G08     318.3          13.7                7.4 +/-    1.81      18.9 +/-    1.81  0.140 / 0.590
G10     309.0          55.4                8.4 +/-    0.66      10.0 +/-    0.66  0.130 / 0.560
G14     212.1          18.7               13.8 +/-    1.54      31.4 +/-    1.54  0.040 / 0.050
G15     45.7           23.3                7.6 +/-    0.75      15.5 +/-    0.75  0.030 / 0.040
G20     9.7            64.4               10.0 +/-    0.68      11.0 +/-    0.68  0.060 / 0.130
G21     116.9          66.3               11.7 +/-    0.91      12.6 +/-    0.91  0.060 / 0.110
G24     84.6           27.7               10.2 +/-    0.94      18.8 +/-    0.94  0.120 / 0.250
G27     294.6          35.4                9.8 +/-    1.22      15.4 +/-    1.22  0.110 / 0.270
G32     213.9          38.5               14.5 +/-    0.86      21.7 +/-    0.86  0.060 / 0.060