PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-01:27:40
G01     313.1          27.6                9.9 +/-    1.29      18.3 +/-    1.29  0.050 / 0.030
G10     96.2           46.7               10.6 +/-    0.40      14.0 +/-    0.40  0.040 / 0.030
G11     289.7          28.4                9.6 +/-    0.70      17.4 +/-    0.70  0.120 / 0.120
G14     340.2          69.9                9.1 +/-    0.42       9.6 +/-    0.42  0.100 / 0.210
G18     111.4          20.5                9.3 +/-    2.04      20.2 +/-    2.04  0.120 / 0.140
G22     306.1          18.8                9.8 +/-    2.14      22.3 +/-    2.14  0.090 / 0.110
G25     87.6           13.6                8.5 +/-    2.51      21.9 +/-    2.51  0.170 / 0.240
G31     175.5          53.5               12.9 +/-    0.70      15.6 +/-    0.70  0.080 / 0.160
G32     21.4           60.8                9.1 +/-    1.07      10.2 +/-    1.07  0.040 / 0.040