PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-22:42:40
G08     310.2          18.9               11.3 +/-    1.09      25.6 +/-    1.09  0.030 / 0.030
G10     326.3          58.9               12.5 +/-    0.78      14.3 +/-    0.78  0.030 / 0.030
G14     217.1          30.3               17.3 +/-    1.72      30.2 +/-    1.72  0.040 / 0.040
G15     46.4           12.6               10.4 +/-    2.29      27.5 +/-    2.29  0.030 / 0.030
G18     35.3           60.2               13.7 +/-    0.97      15.5 +/-    0.97  0.070 / 0.080
G21     131.8          57.2               15.8 +/-    1.23      18.4 +/-    1.23  0.100 / 0.100
G24     78.1           30.6               14.8 +/-    1.69      25.5 +/-    1.69  0.050 / 0.060
G27     275.7          37.9               14.3 +/-    1.24      21.5 +/-    1.24  0.070 / 0.070
G32     221.9          46.7               14.6 +/-    2.11      19.2 +/-    2.11  0.110 / 0.160