PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-21:28:10
G01     320.7          12.0               -5.9 +/-   34.26     -15.6 +/-   34.26  0.150 / 0.280
G08     263.1          16.5               10.1 +/-    1.51      24.2 +/-    1.51  0.110 / 0.150
G10     67.1           57.4                7.3 +/-    1.13       8.5 +/-    1.13  0.360 / 0.370
G11     308.7          19.7                7.0 +/-    0.69      15.6 +/-    0.69  0.170 / 0.250
G14     278.0          68.8                7.9 +/-    0.57       8.5 +/-    0.57  0.070 / 0.090
G18     96.0           32.9                8.0 +/-    1.03      13.2 +/-    1.03  0.100 / 0.070
G27     227.8          12.9                9.3 +/-    2.94      24.3 +/-    2.94  0.030 / 0.030
G31     180.1          31.5               11.0 +/-    1.27      18.7 +/-    1.27  0.030 / 0.020
G32     343.8          72.7                7.6 +/-    0.30       8.0 +/-    0.30  0.030 / 0.040