PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-23:43:20
G08     294.5          23.3               12.1 +/-    0.86      24.7 +/-    0.86  0.070 / 0.080
G10     3.1            62.9               10.4 +/-    0.93      11.6 +/-    0.93  0.060 / 0.090
G14     227.8          43.5               15.7 +/-    2.00      21.6 +/-    2.00  0.090 / 0.090
G20     62.0           53.5               12.1 +/-    1.03      14.6 +/-    1.03  0.090 / 0.110
G21     145.4          42.8               15.2 +/-    0.84      21.2 +/-    0.84  0.130 / 0.130
G24     56.2           24.9               11.2 +/-    2.28      21.8 +/-    2.28  0.140 / 0.160
G27     257.9          32.7               13.3 +/-    1.83      22.1 +/-    1.83  0.050 / 0.060
G32     242.5          67.2               13.6 +/-    0.62      14.6 +/-    0.62  0.050 / 0.080