PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-00:28:10
G10     292.0          50.0                9.6 +/-    1.05      12.1 +/-    1.05  0.050 / 0.090
G15     47.5           34.6                7.1 +/-    0.91      11.4 +/-    0.91  0.060 / 0.090
G20     293.7          48.2                5.3 +/-    1.19       6.9 +/-    1.19  0.060 / 0.120
G21     78.8           76.8                8.0 +/-    0.94       8.2 +/-    0.94  0.050 / 0.110
G24     99.9           24.9                8.4 +/-    1.07      16.4 +/-    1.07  0.040 / 0.040
G27     304.5          32.3               10.2 +/-    1.23      17.0 +/-    1.23  0.040 / 0.050
G29     168.8          12.0               11.3 +/-    3.71      30.0 +/-    3.71  0.110 / 0.230
G32     208.7          30.0               13.9 +/-    1.27      24.4 +/-    1.27  0.130 / 0.230