PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-19:57:30
G01     317.0          23.9                8.9 +/-    2.91      17.8 +/-    2.91  0.040 / 0.050
G08     253.9          11.3                6.5 +/-   14.96      17.5 +/-   14.96  0.040 / 0.050
G10     87.2           48.7                8.2 +/-    0.44      10.5 +/-    0.44  0.220 / 0.370
G11     301.8          22.4                7.2 +/-    1.20      15.1 +/-    1.20  0.160 / 0.320
G14     296.6          69.2                8.0 +/-    0.62       8.5 +/-    0.62  0.040 / 0.040
G20     110.1          23.4                8.3 +/-    1.17      16.9 +/-    1.17  0.030 / 0.040
G22     303.0          12.0                6.5 +/-    2.74      17.4 +/-    2.74  0.160 / 0.510
G31     174.3          46.8               11.0 +/-    0.85      14.4 +/-    0.85  0.150 / 0.420
G32     18.0           63.5                6.5 +/-    0.57       7.1 +/-    0.57  0.040 / 0.060