PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-00:42:40
G01     317.0          21.9                8.2 +/-    2.90      17.2 +/-    2.90  0.080 / 0.190
G08     251.9          10.6               13.2 +/-    2.20      36.2 +/-    2.20  0.080 / 0.160
G10     86.2           51.3               11.8 +/-    0.54      14.6 +/-    0.54  0.160 / 0.240
G11     297.6          26.2               10.5 +/-    1.21      20.0 +/-    1.21  0.090 / 0.280
G14     317.1          71.5               10.5 +/-    0.68      11.0 +/-    0.68  0.030 / 0.040
G18     105.8          25.7               12.2 +/-    0.77      23.5 +/-    0.77  0.030 / 0.040
G22     302.6          13.2               10.3 +/-    2.95      26.8 +/-    2.95  0.120 / 0.490
G25     94.7           10.6               -8.0 +/-   38.42     -22.1 +/-   38.42  0.120 / 0.470
G31     177.8          44.8               13.7 +/-    1.06      18.5 +/-    1.06  0.050 / 0.050
G32     8.5            66.2                9.8 +/-    0.49      10.7 +/-    0.49  0.050 / 0.050