PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-05:58:10
G08     320.8          10.9              -13.7 +/-   23.13     -37.6 +/-   23.13  0.090 / 0.080
G10     307.1          55.2               -0.9 +/-    0.92      -1.1 +/-    0.92  0.070 / 0.080
G14     211.3          17.1                4.6 +/-    1.65      10.9 +/-    1.65  0.030 / 0.040
G15     45.5           22.0                0.9 +/-    2.73       1.8 +/-    2.73  0.030 / 0.030
G20     5.8            64.7               -0.3 +/-    0.98      -0.3 +/-    0.98  0.050 / 0.030
G21     112.0          69.4                1.6 +/-    0.43       1.7 +/-    0.43  0.040 / 0.030
G24     91.0           28.2                3.1 +/-    0.67       5.6 +/-    0.67  0.090 / 0.150
G27     295.8          35.6                0.8 +/-    2.84       1.2 +/-    2.84  0.120 / 0.150
G32     213.4          33.5                5.5 +/-    1.91       9.0 +/-    1.91  0.090 / 0.300