PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/12-00:27:40
G05     50.1           13.9                7.4 +/-    3.32      18.8 +/-    3.32  0.090 / 0.210
G10     238.3          14.8               13.2 +/-    1.66      33.0 +/-    1.66  0.160 / 0.220
G13     71.5           36.0               11.5 +/-    0.91      18.0 +/-    0.91  0.040 / 0.060
G15     122.5          54.1               13.3 +/-    0.96      16.0 +/-    0.96  0.050 / 0.050
G16     310.1          14.2                8.5 +/-    2.10      21.6 +/-    2.10  0.050 / 0.090
G20     247.4          28.1               13.9 +/-    1.09      25.4 +/-    1.09  0.060 / 0.090
G21     315.5          48.4               10.7 +/-    1.02      13.7 +/-    1.02  0.160 / 0.300
G26     282.5          20.5                9.9 +/-    3.23      21.5 +/-    3.23  0.080 / 0.430
G29     158.7          69.8               11.1 +/-    0.41      11.7 +/-    0.41  0.030 / 0.030