PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-22:57:40
G08     316.5          15.0                6.8 +/-    2.28      16.8 +/-    2.28  0.060 / 0.060
G10     314.5          56.7                8.3 +/-    1.34       9.7 +/-    1.34  0.050 / 0.060
G14     213.7          20.7               14.1 +/-    1.86      30.5 +/-    1.86  0.190 / 0.230
G15     45.9           23.9                7.8 +/-    2.57      15.6 +/-    2.57  0.110 / 0.190
G20     17.3           63.7                9.1 +/-    0.68      10.0 +/-    0.68  0.070 / 0.100
G21     121.5          66.3               10.8 +/-    0.56      11.7 +/-    0.56  0.070 / 0.100
G24     82.9           28.8                9.8 +/-    1.74      17.6 +/-    1.74  0.030 / 0.040
G27     288.8          36.9                9.7 +/-    1.36      14.9 +/-    1.36  0.030 / 0.040
G32     215.8          43.8               12.3 +/-    0.99      16.8 +/-    0.99  0.240 / 0.420