PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-18:27:50
G10     262.1          36.7               11.0 +/-    0.92      17.0 +/-    0.92  0.100 / 0.250
G13     44.0           20.8                9.6 +/-    2.14      20.7 +/-    2.14  0.090 / 0.210
G15     64.3           51.6               10.1 +/-    1.05      12.4 +/-    1.05  0.130 / 0.380
G16     283.1          14.1                9.1 +/-    2.23      23.1 +/-    2.23  0.150 / 0.510
G20     291.1          59.1               10.0 +/-    1.34      11.4 +/-    1.34  0.350 / 0.470
G21     351.5          68.0               10.7 +/-    0.58      11.4 +/-    0.58  0.310 / 0.280
G24     126.3          11.1               11.6 +/-    7.05      31.5 +/-    7.05  0.050 / 0.060
G27     320.8          14.6                7.7 +/-    1.34      19.4 +/-    1.34  0.050 / 0.050
G29     166.6          37.6               10.9 +/-    1.18      16.5 +/-    1.18  0.180 / 0.260