PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/09-12:43:10
G08     310.3          19.2                3.8 +/-    1.21       8.4 +/-    1.21  0.120 / 0.170
G10     329.0          59.6                4.1 +/-    0.58       4.7 +/-    0.58  0.150 / 0.180
G14     216.5          29.5                5.5 +/-    2.23       9.8 +/-    2.23  0.040 / 0.030
G15     46.5           12.0                1.4 +/-    2.44       3.8 +/-    2.44  0.040 / 0.020
G20     33.6           61.1                5.1 +/-    0.81       5.7 +/-    0.81  0.030 / 0.030
G21     132.2          53.8                6.8 +/-    0.76       8.2 +/-    0.76  0.040 / 0.040
G24     73.8           28.9                4.3 +/-    1.36       7.6 +/-    1.36  0.060 / 0.080
G27     281.1          36.9                4.6 +/-    2.16       7.0 +/-    2.16  0.070 / 0.060
G32     221.1          47.0                5.7 +/-    2.05       7.4 +/-    2.05  0.090 / 0.170