PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-18:13:10
G10     299.0          52.5               10.3 +/-    2.01      12.7 +/-    2.01  0.040 / 0.030
G14     210.2          12.6                9.0 +/-   25.60      23.6 +/-   25.60  0.040 / 0.040
G15     46.3           29.8                8.3 +/-    0.94      14.6 +/-    0.94  0.130 / 0.520
G20     354.5          65.3               10.2 +/-    0.40      11.2 +/-    0.40  0.130 / 0.390
G21     101.7          72.0               11.8 +/-    0.83      12.3 +/-    0.83  0.070 / 0.090
G24     92.4           26.3               12.2 +/-    1.31      23.1 +/-    1.31  0.070 / 0.130
G27     301.4          33.3                8.5 +/-    1.56      13.9 +/-    1.56  0.150 / 0.120
G32     210.8          32.7               12.4 +/-    1.05      20.5 +/-    1.05  0.140 / 0.140