PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-00:12:30
G08     298.0          22.9               13.9 +/-    1.31      28.6 +/-    1.31  0.040 / 0.030
G10     352.0          62.3               11.9 +/-    0.52      13.2 +/-    0.52  0.030 / 0.030
G14     225.3          42.6               15.1 +/-    1.38      21.1 +/-    1.38  0.070 / 0.070
G18     54.9           54.5               14.6 +/-    0.83      17.5 +/-    0.83  0.060 / 0.080
G21     142.4          45.1               17.0 +/-    0.64      22.9 +/-    0.64  0.090 / 0.100
G24     63.4           28.8               14.5 +/-    0.95      26.1 +/-    0.95  0.090 / 0.070
G27     259.3          34.3               17.8 +/-    1.06      28.6 +/-    1.06  0.120 / 0.110
G32     235.0          59.7               14.1 +/-    1.70      16.1 +/-    1.70  0.100 / 0.120