PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-02:27:40
G01     317.0          23.4                5.0 +/-    1.19      10.1 +/-    1.19  0.120 / 0.280
G08     257.4          11.1                9.4 +/-    2.51      25.5 +/-    2.51  0.110 / 0.270
G10     87.7           48.7                9.2 +/-    0.53      11.8 +/-    0.53  0.040 / 0.060
G11     299.2          24.3                8.2 +/-    1.89      16.2 +/-    1.89  0.040 / 0.060
G14     308.0          71.0                8.7 +/-    1.24       9.1 +/-    1.24  0.100 / 0.230
G18     299.3          44.4                9.5 +/-    1.11      12.9 +/-    1.11  0.090 / 0.200
G20     109.6          25.5                8.7 +/-    2.07      16.8 +/-    2.07  0.180 / 0.460
G22     303.3          13.1                6.5 +/-    3.62      16.9 +/-    3.62  0.160 / 0.530
G31     172.8          48.5               10.0 +/-    0.80      12.8 +/-    0.80  0.050 / 0.040
G32     14.9           64.5                6.6 +/-    0.71       7.2 +/-    0.71  0.050 / 0.050