PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-07:13:10
G08     320.2          11.1               -8.7 +/-   26.16     -23.8 +/-   26.16  0.190 / 0.360
G10     311.3          55.8                5.6 +/-    1.66       6.6 +/-    1.66  0.180 / 0.310
G14     213.7          16.0                8.3 +/-    3.32      20.0 +/-    3.32  0.050 / 0.060
G15     45.6           20.1                4.6 +/-    2.03      10.0 +/-    2.03  0.090 / 0.080
G20     54.3           48.8                5.7 +/-    0.76       7.2 +/-    0.76  0.030 / 0.040
G21     118.6          67.8                7.6 +/-    0.46       8.2 +/-    0.46  0.030 / 0.030
G24     87.2           29.2                6.9 +/-    1.00      12.3 +/-    1.00  0.040 / 0.060
G27     289.2          37.3                8.5 +/-    2.16      13.0 +/-    2.16  0.040 / 0.050
G32     214.9          42.8                8.5 +/-    1.03      11.8 +/-    1.03  0.080 / 0.090