PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-16:43:00
G08     317.9          14.1                7.0 +/-    1.72      17.7 +/-    1.72  0.030 / 0.040
G10     310.1          55.7                7.7 +/-    0.79       9.2 +/-    0.79  0.040 / 0.050
G14     212.3          19.3               11.3 +/-    1.79      25.3 +/-    1.79  0.060 / 0.040
G15     45.7           22.7                7.0 +/-    0.79      14.4 +/-    0.79  0.040 / 0.040
G20     11.2           64.3                9.6 +/-    0.73      10.5 +/-    0.73  0.110 / 0.490
G21     118.1          65.6               10.4 +/-    0.76      11.3 +/-    0.76  0.120 / 0.320
G24     83.8           27.7                9.1 +/-    0.63      16.8 +/-    0.63  0.110 / 0.290
G27     294.0          35.6                9.2 +/-    1.20      14.4 +/-    1.20  0.140 / 0.280
G32     214.3          39.0               13.2 +/-    2.11      19.5 +/-    2.11  0.070 / 0.130