PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-03:43:10
G03     315.4          27.1                1.8 +/-    1.14       3.3 +/-    1.14  0.050 / 0.080
G10     129.6          18.1                6.0 +/-    1.35      13.9 +/-    1.35  0.050 / 0.080
G11     248.7          21.1                6.7 +/-    1.71      14.4 +/-    1.71  0.060 / 0.050
G14     44.8           48.9                3.7 +/-    0.76       4.7 +/-    0.76  0.060 / 0.070
G22     314.1          51.0                4.8 +/-    1.40       6.0 +/-    1.40  0.110 / 0.300
G25     49.9           15.2                4.6 +/-    1.40      11.3 +/-    1.40  0.110 / 0.280
G26     150.9          23.3                6.8 +/-    1.70      13.9 +/-    1.70  0.030 / 0.030
G31     58.3           76.5                4.0 +/-    0.54       4.1 +/-    0.54  0.030 / 0.030
G32     62.3           34.9                2.2 +/-    0.95       3.5 +/-    0.95  0.050 / 0.070