PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-00:12:40
G10     306.0          55.0                9.5 +/-    1.13      11.3 +/-    1.13  0.100 / 0.100
G14     211.2          14.7               13.9 +/-    4.12      34.7 +/-    4.12  0.070 / 0.080
G15     45.6           24.0                6.7 +/-    1.02      13.5 +/-    1.02  0.060 / 0.060
G20     2.9            64.8                8.5 +/-    0.63       9.3 +/-    0.63  0.040 / 0.050
G21     107.7          71.9                9.9 +/-    0.81      10.3 +/-    0.81  0.060 / 0.110
G24     93.7           28.2               10.3 +/-    1.34      18.7 +/-    1.34  0.070 / 0.160
G27     296.2          35.8               10.4 +/-    0.62      16.2 +/-    0.62  0.040 / 0.050
G32     212.3          35.6               11.5 +/-    2.55      18.0 +/-    2.55  0.040 / 0.050