PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-18:28:00
G08     316.1          15.1                7.3 +/-    1.98      18.1 +/-    1.98  0.040 / 0.050
G10     321.7          58.5               10.5 +/-    0.52      12.1 +/-    0.52  0.040 / 0.040
G14     214.6          19.9               12.7 +/-    2.92      27.9 +/-    2.92  0.110 / 0.410
G15     45.9           14.6                8.0 +/-    1.54      20.1 +/-    1.54  0.140 / 0.310
G20     27.7           61.8               10.4 +/-    2.05      11.6 +/-    2.05  0.210 / 0.360
G21     125.3          64.1               12.3 +/-    0.92      13.5 +/-    0.92  0.160 / 0.310
G24     84.4           30.3               11.6 +/-    1.00      20.2 +/-    1.00  0.080 / 0.080
G27     284.8          38.1                7.4 +/-    1.49      11.1 +/-    1.49  0.070 / 0.080
G32     216.7          46.3               12.8 +/-    1.14      16.9 +/-    1.14  0.110 / 0.140