PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-18:13:10
G05     58.3           62.0               10.3 +/-    0.81      11.5 +/-    0.81  0.140 / 0.490
G12     184.0          32.5               13.9 +/-    1.45      23.1 +/-    1.45  0.120 / 0.440
G13     126.3          15.2               13.5 +/-    1.81      33.4 +/-    1.81  0.060 / 0.120
G15     164.1          12.5               15.2 +/-    2.38      40.2 +/-    2.38  0.100 / 0.140
G21     271.7          16.7               13.0 +/-    2.26      31.0 +/-    2.26  0.050 / 0.070
G25     237.5          51.9               11.2 +/-    1.46      13.8 +/-    1.46  0.040 / 0.070
G29     328.9          54.6                8.8 +/-    1.69      10.6 +/-    1.69  0.160 / 0.390