PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-20:42:40
G08     314.7          16.5               10.4 +/-    2.76      24.9 +/-    2.76  0.060 / 0.070
G10     318.0          57.5               10.7 +/-    0.92      12.5 +/-    0.92  0.060 / 0.070
G14     214.3          23.1               13.6 +/-    1.37      27.7 +/-    1.37  0.030 / 0.040
G15     45.9           20.8                9.5 +/-    2.89      20.4 +/-    2.89  0.040 / 0.050
G20     21.6           63.2               12.1 +/-    1.36      13.4 +/-    1.36  0.190 / 0.280
G21     124.8          63.8               14.2 +/-    0.55      15.6 +/-    0.55  0.120 / 0.310
G24     79.9           28.8               11.7 +/-    0.91      21.1 +/-    0.91  0.270 / 0.300
G27     287.0          37.0               11.6 +/-    1.04      17.8 +/-    1.04  0.150 / 0.260
G32     217.0          45.1               14.1 +/-    1.32      19.0 +/-    1.32  0.090 / 0.210