PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-00:57:50
G01     306.6          33.4                7.7 +/-    0.89      12.6 +/-    0.89  0.030 / 0.050
G10     106.2          40.6                8.0 +/-    0.61      11.6 +/-    0.61  0.030 / 0.040
G11     280.2          29.1                8.5 +/-    1.68      15.3 +/-    1.68  0.060 / 0.100
G14     1.1            66.2                6.2 +/-    0.88       6.8 +/-    0.88  0.060 / 0.100
G18     117.5          13.9                7.6 +/-    2.82      19.4 +/-    2.82  0.070 / 0.130
G22     309.5          25.3                6.3 +/-    1.49      12.3 +/-    1.49  0.070 / 0.150
G25     79.5           16.4                5.6 +/-    1.27      13.5 +/-    1.27  0.110 / 0.240
G31     172.7          62.8                9.4 +/-    0.98      10.4 +/-    0.98  0.110 / 0.230
G32     32.6           54.8                5.3 +/-    0.57       6.3 +/-    0.57  0.040 / 0.050