PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-23:27:50
G05     48.9           16.7                6.6 +/-    0.70      15.6 +/-    0.70  0.090 / 0.180
G10     236.3          12.6               19.5 +/-    4.79      51.4 +/-    4.79  0.110 / 0.200
G13     75.4           36.3               10.7 +/-    1.04      16.6 +/-    1.04  0.090 / 0.290
G15     128.2          52.1               12.9 +/-    1.12      15.9 +/-    1.12  0.100 / 0.330
G16     312.7          13.4                7.6 +/-    1.12      19.6 +/-    1.12  0.320 / 0.490
G20     243.5          18.9               10.8 +/-    1.31      24.5 +/-    1.31  0.230 / 0.460
G21     312.5          46.3               10.0 +/-    0.96      13.2 +/-    0.96  0.120 / 0.350
G25     198.9          10.5               19.1 +/-    7.70      52.5 +/-    7.70  0.180 / 0.280
G26     285.6          20.9                9.9 +/-    2.98      21.3 +/-    2.98  0.050 / 0.070
G29     156.5          73.5               11.4 +/-    0.80      11.8 +/-    0.80  0.050 / 0.090