PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-19:12:30
G08     297.9          23.2                7.8 +/-    1.80      15.9 +/-    1.80  0.050 / 0.120
G10     354.8          62.4                7.2 +/-    0.71       8.0 +/-    0.71  0.060 / 0.090
G14     224.6          40.9               10.3 +/-    0.89      14.7 +/-    0.89  0.040 / 0.080
G20     56.0           55.5                8.5 +/-    0.36      10.1 +/-    0.36  0.040 / 0.070
G21     142.7          44.8               10.4 +/-    1.44      14.0 +/-    1.44  0.050 / 0.100
G24     58.7           25.5                8.5 +/-    0.63      16.5 +/-    0.63  0.070 / 0.120
G27     263.9          34.4                9.7 +/-    1.06      15.6 +/-    1.06  0.060 / 0.120
G32     235.0          62.3                9.5 +/-    0.86      10.6 +/-    0.86  0.060 / 0.100