PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-00:12:30
G08     297.5          23.3                9.4 +/-    1.02      19.1 +/-    1.02  0.050 / 0.110
G10     354.9          62.5                6.8 +/-    0.69       7.6 +/-    0.69  0.090 / 0.120
G14     224.9          40.4               13.3 +/-    0.82      19.2 +/-    0.82  0.050 / 0.080
G20     325.9          58.2                9.1 +/-    0.49      10.5 +/-    0.49  0.060 / 0.080
G21     143.3          47.6               11.3 +/-    0.98      14.6 +/-    0.98  0.050 / 0.120
G24     60.2           26.7                9.0 +/-    1.31      16.9 +/-    1.31  0.060 / 0.080
G27     261.5          34.4               10.7 +/-    1.00      17.2 +/-    1.00  0.060 / 0.130
G32     236.4          64.7               12.3 +/-    0.79      13.5 +/-    0.79  0.070 / 0.120