PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-22:43:00
G08     320.8          11.0               -2.4 +/-   36.87      -6.5 +/-   36.87  0.030 / 0.040
G10     303.5          53.8               10.3 +/-    0.99      12.4 +/-    0.99  0.030 / 0.050
G14     211.4          14.4               16.4 +/-    1.70      41.3 +/-    1.70  0.080 / 0.080
G15     46.3           30.0                8.2 +/-    0.47      14.4 +/-    0.47  0.070 / 0.080
G20     1.7            65.0                9.7 +/-    0.76      10.6 +/-    0.76  0.170 / 0.660
G21     107.3          71.7               11.9 +/-    0.61      12.5 +/-    0.61  0.200 / 0.560
G24     90.7           27.5               11.5 +/-    0.45      21.3 +/-    0.45  0.120 / 0.460
G27     297.0          35.2               10.8 +/-    0.79      17.0 +/-    0.79  0.130 / 0.330
G32     212.0          37.1               12.8 +/-    1.31      19.6 +/-    1.31  0.120 / 0.120