PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-20:42:40
G01     318.5          20.7                8.3 +/-    1.58      18.0 +/-    1.58  0.040 / 0.050
G08     257.6          13.2               10.7 +/-    1.91      27.7 +/-    1.91  0.040 / 0.060
G10     82.0           50.9               10.6 +/-    0.72      13.3 +/-    0.72  0.210 / 0.260
G11     304.8          21.1                8.5 +/-    3.51      18.3 +/-    3.51  0.220 / 0.340
G14     287.4          68.5               10.6 +/-    0.68      11.3 +/-    0.68  0.070 / 0.060
G20     107.0          26.4               11.8 +/-    0.98      22.3 +/-    0.98  0.050 / 0.070
G31     175.0          43.0               12.5 +/-    1.22      17.4 +/-    1.22  0.090 / 0.350
G32     11.6           66.4                9.1 +/-    0.39       9.9 +/-    0.39  0.120 / 0.300