PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-14:42:50
G01     319.1          17.7                6.9 +/-    2.11      16.1 +/-    2.11  0.170 / 0.220
G08     260.4          13.2                5.4 +/-    3.57      14.1 +/-    3.57  0.470 / 0.380
G10     79.1           53.7                6.9 +/-    0.77       8.3 +/-    0.77  0.040 / 0.040
G11     305.7          20.9                5.7 +/-    1.85      12.2 +/-    1.85  0.040 / 0.040
G14     291.9          69.5                7.5 +/-    0.34       7.9 +/-    0.34  0.040 / 0.060
G22     301.0          12.0                5.6 +/-    6.24      14.8 +/-    6.24  0.050 / 0.060
G31     175.4          42.6               11.5 +/-    0.89      16.1 +/-    0.89  0.150 / 0.280
G32     9.0            67.0                6.6 +/-    0.47       7.1 +/-    0.47  0.250 / 0.260