PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-17:42:40
G10     294.7          51.1                8.1 +/-    0.76      10.1 +/-    0.76  0.060 / 0.100
G14     209.5          10.1               -9.3 +/-    5.34     -26.0 +/-    5.34  0.070 / 0.110
G15     46.9           32.2                6.3 +/-    0.97      10.6 +/-    0.97  0.040 / 0.040
G20     347.5          65.4                6.9 +/-    0.70       7.5 +/-    0.70  0.040 / 0.040
G21     93.4           73.6                8.9 +/-    1.15       9.2 +/-    1.15  0.310 / 0.640
G24     95.4           25.3                9.2 +/-    1.70      17.9 +/-    1.70  0.080 / 0.170
G27     304.4          31.9                8.3 +/-    1.01      14.1 +/-    1.01  0.090 / 0.150
G32     209.7          29.8               10.2 +/-    1.08      17.9 +/-    1.08  0.060 / 0.100