PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-19:13:10
G08     299.3          23.0                8.8 +/-    1.59      18.1 +/-    1.59  0.040 / 0.040
G10     351.7          62.2                9.2 +/-    0.45      10.3 +/-    0.45  0.050 / 0.060
G14     223.6          39.6                9.8 +/-    2.18      14.3 +/-    2.18  0.080 / 0.100
G20     53.8           56.2               10.3 +/-    0.73      12.1 +/-    0.73  0.060 / 0.100
G21     141.8          46.3               10.9 +/-    1.20      14.4 +/-    1.20  0.100 / 0.070
G24     60.1           26.0                9.7 +/-    1.66      18.5 +/-    1.66  0.090 / 0.080
G27     265.6          34.9               10.1 +/-    2.12      16.1 +/-    2.12  0.090 / 0.140
G32     233.0          61.1                9.4 +/-    1.15      10.6 +/-    1.15  0.080 / 0.140