PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-15:58:00
G05     48.5           19.2                7.0 +/-    1.73      15.8 +/-    1.73  0.060 / 0.050
G10     236.4          13.2                9.5 +/-    3.02      24.7 +/-    3.02  0.040 / 0.060
G13     74.8           36.0                9.1 +/-    0.98      14.2 +/-    0.98  0.160 / 0.330
G15     128.0          52.3               10.6 +/-    0.97      13.0 +/-    0.97  0.190 / 0.410
G16     314.2          12.3                5.3 +/-    3.74      14.0 +/-    3.74  0.060 / 0.090
G20     248.5          37.3               11.3 +/-    1.91      17.2 +/-    1.91  0.070 / 0.080
G21     315.3          48.6                8.6 +/-    0.86      11.0 +/-    0.86  0.030 / 0.030
G26     288.3          19.8                7.2 +/-    1.70      15.8 +/-    1.70  0.020 / 0.040
G29     154.4          71.3               10.9 +/-    0.50      11.5 +/-    0.50  0.110 / 0.110