PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-19:27:40
G08     318.2          13.3                8.9 +/-    0.94      23.0 +/-    0.94  0.050 / 0.070
G10     317.1          57.7               11.7 +/-    0.59      13.6 +/-    0.59  0.060 / 0.090
G14     213.6          18.2               11.5 +/-    1.88      26.4 +/-    1.88  0.030 / 0.050
G15     45.7           17.4                8.6 +/-    0.73      20.2 +/-    0.73  0.030 / 0.050
G20     21.7           62.8                9.2 +/-    0.40      10.2 +/-    0.40  0.130 / 0.420
G21     121.2          66.6               13.3 +/-    0.56      14.4 +/-    0.56  0.110 / 0.590
G24     87.4           30.0               10.0 +/-    1.17      17.5 +/-    1.17  0.070 / 0.110
G27     288.1          37.7               10.1 +/-    1.58      15.3 +/-    1.58  0.080 / 0.110
G32     215.2          43.6               13.1 +/-    1.05      18.1 +/-    1.05  0.130 / 0.280