PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-22:42:50
G10     249.7          26.1               12.4 +/-    1.14      23.6 +/-    1.14  0.050 / 0.050
G13     54.4           30.3                8.3 +/-    1.12      14.5 +/-    1.12  0.060 / 0.050
G15     94.5           59.3               10.2 +/-    0.23      11.7 +/-    0.23  0.120 / 0.680
G16     295.0          16.1                7.6 +/-    3.78      18.3 +/-    3.78  0.120 / 0.660
G20     254.1          21.1                6.0 +/-    0.69      12.8 +/-    0.69  0.070 / 0.180
G21     331.1          58.7                8.7 +/-    0.74      10.0 +/-    0.74  0.060 / 0.150
G26     267.2          16.1               10.7 +/-    2.43      25.9 +/-    2.43  0.030 / 0.030
G29     165.0          52.4               10.1 +/-    0.85      12.4 +/-    0.85  0.040 / 0.040