PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-01:42:50
G08     270.7          20.3               11.8 +/-    1.57      25.8 +/-    1.57  0.170 / 0.380
G10     51.3           60.1                9.5 +/-    0.67      10.8 +/-    0.67  0.500 / 0.240
G14     255.1          62.0               10.3 +/-    1.09      11.5 +/-    1.09  0.130 / 0.230
G18     314.7          27.5                7.8 +/-    1.83      14.4 +/-    1.83  0.160 / 0.240
G20     36.4           68.7               11.8 +/-    1.33      12.6 +/-    1.33  0.040 / 0.050
G21     154.0          21.6               12.3 +/-    2.87      26.1 +/-    2.87  0.050 / 0.050
G24     41.2           12.3                6.3 +/-    0.81      16.8 +/-    0.81  0.340 / 0.230
G27     236.1          19.6               12.6 +/-    3.54      28.1 +/-    3.54  0.170 / 0.290
G31     177.8          26.7               14.7 +/-    1.06      27.7 +/-    1.06  0.110 / 0.200
G32     326.5          76.1               10.4 +/-    0.59      10.7 +/-    0.59  0.100 / 0.260