PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/31-00:13:10
G08     300.8          22.6                8.5 +/-    1.14      17.6 +/-    1.14  0.080 / 0.100
G10     348.0          62.0                7.8 +/-    0.99       8.7 +/-    0.99  0.100 / 0.080
G14     222.7          37.3               14.5 +/-    1.08      22.1 +/-    1.08  0.030 / 0.060
G20     322.7          57.2               10.5 +/-    0.61      12.2 +/-    0.61  0.050 / 0.070
G21     141.0          50.8               12.1 +/-    1.19      15.1 +/-    1.19  0.070 / 0.140
G24     63.5           27.7                8.8 +/-    0.44      16.2 +/-    0.44  0.060 / 0.130
G27     265.5          35.6               12.4 +/-    1.54      19.5 +/-    1.54  0.060 / 0.090
G32     231.7          61.7               12.3 +/-    0.90      13.7 +/-    0.90  0.080 / 0.100