PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-22:58:10
G08     307.1          20.4               10.6 +/-    2.01      23.0 +/-    2.01  0.070 / 0.090
G10     335.8          60.6                8.3 +/-    0.56       9.4 +/-    0.56  0.060 / 0.080
G14     219.0          31.6               15.2 +/-    1.23      25.7 +/-    1.23  0.030 / 0.030
G15     47.1           14.0                7.8 +/-    1.24      19.8 +/-    1.24  0.030 / 0.030
G20     40.7           59.7               10.4 +/-    1.03      11.9 +/-    1.03  0.040 / 0.050
G21     136.0          55.5               13.0 +/-    0.52      15.4 +/-    0.52  0.040 / 0.050
G24     69.5           28.7               10.1 +/-    0.85      18.2 +/-    0.85  0.070 / 0.180
G27     273.9          36.9               13.8 +/-    0.92      21.2 +/-    0.92  0.070 / 0.160
G32     224.7          55.2               13.0 +/-    0.97      15.5 +/-    0.97  0.070 / 0.110