PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/27-19:57:50
G05     46.9           22.2                6.8 +/-    3.39      14.1 +/-    3.39  0.050 / 0.090
G13     81.2           35.3               12.1 +/-    0.85      19.0 +/-    0.85  0.070 / 0.090
G15     132.7          48.8               11.4 +/-    0.65      14.6 +/-    0.65  0.100 / 0.100
G16     318.1          10.5               -5.1 +/-   13.67     -14.1 +/-   13.67  0.080 / 0.110
G20     244.1          33.6               10.9 +/-    0.94      17.8 +/-    0.94  0.030 / 0.050
G21     308.3          42.8                8.8 +/-    0.95      12.2 +/-    0.95  0.030 / 0.050
G25     202.7          15.9               13.0 +/-    1.70      31.5 +/-    1.70  0.120 / 0.310
G26     292.8          20.2                8.4 +/-    1.81      18.3 +/-    1.81  0.110 / 0.310
G29     145.7          78.6               10.2 +/-    0.50      10.3 +/-    0.50  0.130 / 0.300