PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-10:27:30
G08     319.1          12.9                1.9 +/-    1.16       4.9 +/-    1.16  0.030 / 0.040
G10     308.8          55.5                4.2 +/-    0.73       5.0 +/-    0.73  0.050 / 0.030
G14     211.7          18.7                3.1 +/-    1.78       7.1 +/-    1.78  0.120 / 0.460
G15     45.5           21.3                1.9 +/-    0.62       4.1 +/-    0.62  0.120 / 0.430
G20     9.2            64.4                4.6 +/-    0.46       5.1 +/-    0.46  0.070 / 0.090
G21     116.8          65.5                6.0 +/-    1.06       6.5 +/-    1.06  0.070 / 0.080
G24     87.9           28.2                4.9 +/-    0.71       8.8 +/-    0.71  0.110 / 0.250
G27     295.1          35.5                5.6 +/-    1.15       8.9 +/-    1.15  0.090 / 0.210
G32     214.1          34.7                6.9 +/-    0.96      11.1 +/-    0.96  0.030 / 0.050