PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-19:28:10
G05     49.5           16.9                7.1 +/-    1.19      16.8 +/-    1.19  0.050 / 0.060
G10     238.2          15.1                9.0 +/-    1.60      22.3 +/-    1.60  0.050 / 0.070
G13     71.3           35.8                8.2 +/-    0.58      12.9 +/-    0.58  0.110 / 0.400
G15     128.0          53.8                8.8 +/-    0.70      10.6 +/-    0.70  0.110 / 0.350
G16     310.8          13.8                5.9 +/-    1.70      15.2 +/-    1.70  0.100 / 0.150
G20     251.1          39.3                8.5 +/-    0.61      12.5 +/-    0.61  0.070 / 0.120
G21     316.5          49.2                7.7 +/-    1.06       9.8 +/-    1.06  0.070 / 0.110
G26     283.9          20.0                5.3 +/-    2.84      11.6 +/-    2.84  0.080 / 0.120
G29     157.8          69.2                9.0 +/-    0.72       9.6 +/-    0.72  0.040 / 0.040