PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-02:12:40
G01     317.0          22.0                5.2 +/-    2.49      10.8 +/-    2.49  0.110 / 0.180
G08     251.7          10.6                8.3 +/-    2.59      22.7 +/-    2.59  0.080 / 0.180
G10     86.2           51.4                8.7 +/-    0.57      10.8 +/-    0.57  0.120 / 0.280
G11     297.2          26.5                7.8 +/-    1.51      14.8 +/-    1.51  0.140 / 0.210
G14     317.9          71.5                8.5 +/-    0.75       8.9 +/-    0.75  0.030 / 0.040
G18     105.6          26.2                9.8 +/-    1.32      18.7 +/-    1.32  0.030 / 0.040
G22     302.7          13.6                7.9 +/-    3.03      20.4 +/-    3.03  0.050 / 0.040
G25     93.8           10.5               -7.6 +/-   34.40     -21.0 +/-   34.40  0.050 / 0.060
G31     176.7          45.8               11.4 +/-    1.40      15.2 +/-    1.40  0.110 / 0.450
G32     10.6           65.6                7.4 +/-    0.39       8.0 +/-    0.39  0.130 / 0.510