PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-16:28:00
G10     247.4          24.5               12.3 +/-    1.12      24.4 +/-    1.12  0.050 / 0.030
G13     57.0           31.5                9.2 +/-    1.58      15.6 +/-    1.58  0.050 / 0.040
G15     99.0           58.8               11.7 +/-    0.33      13.5 +/-    0.33  0.140 / 0.310
G16     300.0          15.3                6.2 +/-    2.22      15.3 +/-    2.22  0.110 / 0.340
G20     265.0          48.4               10.9 +/-    3.92      14.1 +/-    3.92  0.050 / 0.110
G21     331.8          58.8                8.9 +/-    0.96      10.2 +/-    0.96  0.070 / 0.110
G26     273.0          16.7               10.4 +/-    2.06      24.9 +/-    2.06  0.050 / 0.030
G29     162.7          53.7               11.9 +/-    0.82      14.4 +/-    0.82  0.040 / 0.030