PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-18:27:50
G08     306.8          20.8                8.3 +/-    2.51      17.8 +/-    2.51  0.080 / 0.090
G10     335.6          60.6                9.0 +/-    0.88      10.2 +/-    0.88  0.080 / 0.090
G14     218.6          32.4               12.3 +/-    1.10      20.6 +/-    1.10  0.030 / 0.060
G15     47.2           11.3                8.6 +/-    0.78      23.2 +/-    0.78  0.040 / 0.050
G20     40.3           59.8               10.6 +/-    0.64      12.1 +/-    0.64  0.070 / 0.150
G21     135.6          53.6               13.9 +/-    0.48      16.8 +/-    0.48  0.060 / 0.160
G24     68.2           27.9               10.2 +/-    0.88      18.7 +/-    0.88  0.110 / 0.220
G27     275.6          36.7               21.3 +/-    1.73      32.8 +/-    1.73  0.120 / 0.290
G32     224.3          53.4               11.8 +/-    1.83      14.3 +/-    1.83  0.050 / 0.100