PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-02:27:30
G08     295.0          23.1                8.1 +/-    1.66      16.5 +/-    1.66  0.060 / 0.130
G10     2.8            62.9                7.8 +/-    0.39       8.6 +/-    0.39  0.070 / 0.130
G14     227.8          42.6               12.3 +/-    2.26      17.2 +/-    2.26  0.060 / 0.100
G20     14.5           66.0               20.1 +/-    0.50      21.8 +/-    0.50  0.050 / 0.090
G21     145.5          43.7               10.4 +/-    1.06      14.3 +/-    1.06  0.070 / 0.120
G24     57.0           25.6                7.6 +/-    1.28      14.6 +/-    1.28  0.070 / 0.120
G27     257.0          32.8               10.3 +/-    3.10      17.1 +/-    3.10  0.030 / 0.030
G32     243.1          67.9                9.6 +/-    0.86      10.3 +/-    0.86  0.040 / 0.030