PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-23:27:30
G03     243.0          68.7                9.0 +/-    0.79       9.6 +/-    0.79  0.100 / 0.320
G09     303.8          20.1                6.8 +/-    3.22      15.0 +/-    3.22  0.100 / 0.300
G14     99.1           14.5                8.2 +/-    1.44      20.7 +/-    1.44  0.040 / 0.040
G16     129.0          57.9                9.4 +/-    0.58      10.9 +/-    0.58  0.040 / 0.050
G22     197.4          56.8                8.6 +/-    1.33      10.0 +/-    1.33  0.040 / 0.040
G23     316.9          46.5                7.1 +/-    0.92       9.4 +/-    0.92  0.040 / 0.040
G26     72.9           53.3                6.7 +/-    1.13       8.1 +/-    1.13  0.040 / 0.040
G31     51.0           22.9                5.2 +/-    1.28      10.6 +/-    1.28  0.040 / 0.040