PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-20:43:10
G02     83.0           14.6               18.4 +/-    2.48      46.1 +/-    2.48  0.130 / 0.180
G05     44.4           38.1               18.5 +/-    0.69      27.7 +/-    0.69  0.150 / 0.240
G13     101.7          33.5               23.0 +/-    0.99      37.6 +/-    0.99  0.110 / 0.120
G15     145.9          37.1               24.4 +/-    2.26      37.3 +/-    2.26  0.070 / 0.100
G18     230.9          26.6               23.8 +/-    2.94      44.9 +/-    2.94  0.190 / 0.350
G20     349.3          84.0               20.7 +/-    0.58      20.8 +/-    0.58  0.120 / 0.280
G21     296.6          36.2               22.7 +/-    1.62      35.3 +/-    1.62  0.030 / 0.030
G25     206.1          24.3               23.0 +/-    1.68      45.7 +/-    1.68  0.040 / 0.030
G26     308.6          16.5               19.1 +/-    2.24      45.8 +/-    2.24  0.030 / 0.060
G29     66.0           86.2               22.0 +/-    0.39      22.0 +/-    0.39  0.050 / 0.050