PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-02:42:40
G10     301.9          53.8                8.3 +/-    1.14      10.0 +/-    1.14  0.040 / 0.040
G14     210.4          13.2               10.6 +/-    3.09      27.5 +/-    3.09  0.040 / 0.040
G15     45.7           25.4                6.5 +/-    0.37      12.6 +/-    0.37  0.090 / 0.100
G20     356.8          65.1                9.5 +/-    0.86      10.4 +/-    0.86  0.070 / 0.110
G21     101.5          73.1               10.0 +/-    0.33      10.4 +/-    0.33  0.040 / 0.050
G24     95.8           27.3                9.1 +/-    1.15      16.8 +/-    1.15  0.050 / 0.050
G27     299.3          34.7                8.8 +/-    1.38      14.0 +/-    1.38  0.080 / 0.510
G32     211.4          31.9               12.1 +/-    2.62      20.4 +/-    2.62  0.080 / 0.470