PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-23:13:10
G01     320.2          14.8               -4.4 +/-   34.34     -11.0 +/-   34.34  0.110 / 0.370
G08     259.1          15.1                7.5 +/-   20.78      18.7 +/-   20.78  0.120 / 0.340
G10     74.0           54.8               13.1 +/-   36.54      15.6 +/-   36.54  0.150 / 0.340
G11     305.5          21.9                9.8 +/-   35.74      20.6 +/-   35.74  0.220 / 0.350
G14     284.4          69.4               13.9 +/-   37.09      14.7 +/-   37.09  0.040 / 0.050
G18     307.1          38.8               11.9 +/-   37.44      17.6 +/-   37.44  0.040 / 0.050
G20     102.0          31.8                8.3 +/-   37.96      14.0 +/-   37.96  0.150 / 0.470
G27     227.8          11.5               12.4 +/-   32.75      33.3 +/-   32.75  0.150 / 0.310
G31     176.9          37.8               14.7 +/-   37.12      22.2 +/-   37.12  0.060 / 0.100
G32     1.6            69.7               12.8 +/-   36.44      13.6 +/-   36.44  0.080 / 0.100