PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-01:43:10
G08     297.9          22.9                8.5 +/-    1.29      17.5 +/-    1.29  0.070 / 0.070
G10     355.7          62.5                8.2 +/-    0.43       9.1 +/-    0.43  0.110 / 0.090
G14     225.3          40.0               14.7 +/-    1.28      21.4 +/-    1.28  0.060 / 0.050
G20     352.8          64.9               24.4 +/-    0.65      26.6 +/-    0.65  0.060 / 0.060
G21     143.6          47.0               11.9 +/-    0.72      15.5 +/-    0.72  0.140 / 0.100
G24     60.0           26.7                8.7 +/-    1.20      16.3 +/-    1.20  0.130 / 0.140
G27     260.8          34.2               12.6 +/-    0.92      20.3 +/-    0.92  0.070 / 0.080
G32     237.2          65.1               12.1 +/-    0.93      13.2 +/-    0.93  0.070 / 0.070