PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-18:12:40
G10     277.5          45.1               11.1 +/-    1.17      14.9 +/-    1.17  0.080 / 0.120
G13     38.3           10.4                9.5 +/-    3.68      26.2 +/-    3.68  0.090 / 0.130
G15     51.3           40.6                9.9 +/-    1.13      14.3 +/-    1.13  0.060 / 0.040
G20     319.8          64.2               10.7 +/-    0.61      11.8 +/-    0.61  0.060 / 0.040
G21     28.3           75.8               11.7 +/-    0.70      12.0 +/-    0.70  0.110 / 0.250
G24     115.1          19.0               12.5 +/-    2.33      28.2 +/-    2.33  0.120 / 0.210
G27     314.3          25.1                8.6 +/-    1.62      16.7 +/-    1.62  0.140 / 0.420
G29     168.2          23.5               12.5 +/-    1.61      25.3 +/-    1.61  0.090 / 0.610
G32     205.1          17.7               11.6 +/-    3.17      26.9 +/-    3.17  0.060 / 0.060