PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-19:43:00
G01     318.2          21.4                7.5 +/-    2.78      16.0 +/-    2.78  0.130 / 0.280
G08     256.4          12.9                9.6 +/-    2.05      25.1 +/-    2.05  0.110 / 0.280
G10     82.9           50.5                7.3 +/-    0.76       9.2 +/-    0.76  0.050 / 0.060
G11     304.6          21.0                7.7 +/-    3.25      16.5 +/-    3.25  0.040 / 0.050
G14     287.7          68.3                8.2 +/-    0.36       8.8 +/-    0.36  0.030 / 0.040
G20     107.6          25.6                9.7 +/-    1.35      18.6 +/-    1.35  0.030 / 0.040
G31     175.2          43.4               10.3 +/-    1.05      14.2 +/-    1.05  0.240 / 0.310
G32     13.1           65.8                7.0 +/-    0.46       7.6 +/-    0.46  0.240 / 0.400