PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-01:12:40
G08     307.7          20.1                9.5 +/-    2.17      20.9 +/-    2.17  0.060 / 0.090
G10     334.4          60.4                7.8 +/-    0.38       8.8 +/-    0.38  0.050 / 0.080
G14     218.7          30.5               12.6 +/-    2.46      21.8 +/-    2.46  0.030 / 0.050
G15     47.0           12.6                5.4 +/-    1.13      14.2 +/-    1.13  0.030 / 0.060
G20     329.2          60.4               20.6 +/-    1.33      23.3 +/-    1.33  0.080 / 0.190
G21     135.4          57.2                9.6 +/-    1.07      11.2 +/-    1.07  0.070 / 0.210
G24     71.1           29.2                7.7 +/-    0.97      13.8 +/-    0.97  0.030 / 0.040
G27     273.7          37.2               11.8 +/-    1.00      18.0 +/-    1.00  0.030 / 0.040
G32     224.2          55.3               13.0 +/-    1.31      15.5 +/-    1.31  0.060 / 0.090