PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-23:57:50
G10     276.3          43.3               12.4 +/-    1.73      17.2 +/-    1.73  0.080 / 0.130
G13     38.8           11.7                9.7 +/-    2.88      26.0 +/-    2.88  0.090 / 0.140
G15     53.7           45.3                9.3 +/-    0.63      12.4 +/-    0.63  0.050 / 0.030
G20     279.2          40.4               18.4 +/-    0.97      26.5 +/-    0.97  0.050 / 0.030
G21     23.9           76.0               10.1 +/-    0.99      10.3 +/-    0.99  0.110 / 0.170
G24     111.7          19.0               11.4 +/-    1.48      25.6 +/-    1.48  0.120 / 0.170
G27     314.3          24.8                8.5 +/-    1.63      16.8 +/-    1.63  0.440 / 0.450
G29     169.0          23.8               12.7 +/-    1.99      25.5 +/-    1.99  0.410 / 0.370
G32     205.2          18.3               14.3 +/-    3.73      32.9 +/-    3.73  0.030 / 0.050