PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-03:27:50
G01     275.8          41.3                5.8 +/-    0.99       8.3 +/-    0.99  0.060 / 0.090
G03     314.7          24.0                4.3 +/-    2.29       8.6 +/-    2.29  0.070 / 0.100
G10     127.4          21.0                6.1 +/-    1.27      13.2 +/-    1.27  0.050 / 0.060
G11     252.1          22.8                4.4 +/-    1.76       9.0 +/-    1.76  0.040 / 0.090
G14     40.6           51.1                4.8 +/-    0.39       5.9 +/-    0.39  0.040 / 0.060
G22     314.5          47.6                4.7 +/-    0.96       6.1 +/-    0.96  0.050 / 0.070
G25     53.2           16.3                4.5 +/-    0.97      10.8 +/-    0.97  0.110 / 0.260
G26     153.1          20.3                7.3 +/-    1.61      15.9 +/-    1.61  0.110 / 0.250
G31     72.4           79.4                5.0 +/-    0.59       5.1 +/-    0.59  0.040 / 0.060
G32     59.1           37.2                4.1 +/-    0.73       6.3 +/-    0.73  0.050 / 0.070