PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-23:13:10
G10     268.4          39.1               12.9 +/-    1.67      19.0 +/-    1.67  0.150 / 0.160
G13     41.3           17.1                9.0 +/-    1.65      21.3 +/-    1.65  0.110 / 0.200
G15     60.4           51.0               10.8 +/-    1.22      13.4 +/-    1.22  0.050 / 0.040
G16     276.1          11.9               13.7 +/-    2.74      36.6 +/-    2.74  0.040 / 0.040
G20     270.1          32.4               17.0 +/-    1.11      28.3 +/-    1.11  0.170 / 0.260
G21     2.6            72.1               11.4 +/-    0.71      11.9 +/-    0.71  0.170 / 0.250
G24     117.7          15.1               13.6 +/-    2.97      33.7 +/-    2.97  0.350 / 0.450
G27     318.2          19.6               10.1 +/-    2.22      22.5 +/-    2.22  0.300 / 0.510
G29     168.5          31.0               11.5 +/-    1.31      19.7 +/-    1.31  0.150 / 0.250
G32     204.0          11.8                0.9 +/-   43.23       2.4 +/-   43.23  0.200 / 0.280