PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-21:58:00
G08     291.9          23.7               16.3 +/-    1.56      32.9 +/-    1.56  0.060 / 0.110
G10     7.9            63.0               16.6 +/-    0.55      18.4 +/-    0.55  0.060 / 0.090
G14     229.5          45.9               24.8 +/-    0.66      33.0 +/-    0.66  0.050 / 0.100
G18     317.6          10.8               -3.8 +/-   29.25     -10.3 +/-   29.25  0.040 / 0.100
G20     65.1           52.4               17.8 +/-    0.70      21.8 +/-    0.70  0.060 / 0.100
G21     146.4          40.0               22.3 +/-    0.92      32.4 +/-    0.92  0.070 / 0.110
G24     53.9           23.6               15.2 +/-    0.65      30.7 +/-    0.65  0.070 / 0.100
G27     256.1          31.8               21.0 +/-    1.68      35.5 +/-    1.68  0.070 / 0.090
G32     246.2          68.5               21.1 +/-    0.61      22.5 +/-    0.61  0.090 / 0.170