PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-11:27:50
G08     314.1          15.6                2.1 +/-    2.53       5.2 +/-    2.53  0.040 / 0.070
G10     327.3          59.2                3.3 +/-    0.78       3.7 +/-    0.78  0.050 / 0.060
G14     217.4          26.6                4.0 +/-    2.76       7.5 +/-    2.76  0.130 / 0.270
G15     46.5           11.2                3.0 +/-    1.70       8.1 +/-    1.70  0.200 / 0.180
G20     81.4           14.8                5.6 +/-    2.23      13.9 +/-    2.23  0.050 / 0.040
G21     132.1          57.7                6.8 +/-    0.32       7.9 +/-    0.32  0.050 / 0.040
G24     76.9           30.3                5.5 +/-    1.16       9.6 +/-    1.16  0.110 / 0.280
G27     276.5          37.8                4.6 +/-    1.45       7.0 +/-    1.45  0.130 / 0.280
G32     221.6          51.4                5.7 +/-    1.43       7.1 +/-    1.43  0.260 / 0.320