PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-18:12:50
G01     318.1          21.6                7.2 +/-    2.35      15.2 +/-    2.35  0.240 / 0.210
G08     255.6          12.9                8.5 +/-    2.65      22.3 +/-    2.65  0.280 / 0.180
G10     83.0           50.4                8.4 +/-    0.92      10.5 +/-    0.92  0.040 / 0.050
G11     305.2          20.5                6.8 +/-    1.76      14.7 +/-    1.76  0.040 / 0.040
G14     288.6          68.6                8.7 +/-    0.38       9.2 +/-    0.38  0.130 / 0.260
G20     107.8          25.0               10.5 +/-    1.38      20.4 +/-    1.38  0.190 / 0.270
G31     175.8          42.8                9.6 +/-    0.89      13.4 +/-    0.89  0.060 / 0.040
G32     13.7           65.6                6.8 +/-    0.61       7.4 +/-    0.61  0.060 / 0.060