PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-21:58:10
G05     51.9           10.2                8.4 +/-    4.09      23.3 +/-    4.09  0.040 / 0.060
G13     64.0           33.5                8.6 +/-    1.25      14.1 +/-    1.25  0.040 / 0.070
G15     108.7          56.8                9.6 +/-    0.93      11.2 +/-    0.93  0.070 / 0.100
G16     306.5          14.7                5.6 +/-    2.52      14.1 +/-    2.52  0.070 / 0.130
G20     257.1          43.4                9.0 +/-    1.73      12.4 +/-    1.73  0.030 / 0.030
G21     321.5          52.0                9.5 +/-    0.69      11.8 +/-    0.69  0.030 / 0.050
G26     278.9          18.8                7.9 +/-    1.65      18.0 +/-    1.65  0.090 / 0.180
G29     158.9          62.2                9.8 +/-    0.79      10.9 +/-    0.79  0.090 / 0.190