PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/16-22:42:50
G08     280.8          22.6               12.0 +/-    2.17      24.9 +/-    2.17  0.080 / 0.140
G10     29.4           62.8               11.2 +/-    2.69      12.4 +/-    2.69  0.110 / 0.350
G14     242.3          56.9               11.6 +/-    8.03      13.5 +/-    8.03  0.070 / 0.140
G18     76.8           44.9                6.5 +/-   28.78       8.8 +/-   28.78  0.090 / 0.330
G21     150.1          27.2               12.5 +/-    2.45      23.2 +/-    2.45  0.060 / 0.310
G24     48.4           21.2                5.5 +/-   27.09      11.9 +/-   27.09  0.070 / 0.470
G27     242.2          25.1               10.0 +/-   27.39      19.6 +/-   27.39  0.070 / 0.170
G31     183.7          13.1               14.0 +/-   30.09      36.4 +/-   30.09  0.060 / 0.190
G32     269.6          72.2                5.8 +/-   27.96       6.0 +/-   27.96  0.040 / 0.070