PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-23:42:40
G08     291.1          23.5               10.1 +/-    1.22      20.5 +/-    1.22  0.060 / 0.150
G10     10.3           63.0                8.5 +/-    0.71       9.4 +/-    0.71  0.070 / 0.110
G14     230.6          46.5               12.2 +/-    1.23      16.1 +/-    1.23  0.090 / 0.140
G18     317.6          11.4               -1.0 +/-   23.58      -2.6 +/-   23.58  0.090 / 0.140
G20     66.7           51.7                9.5 +/-    0.30      11.8 +/-    0.30  0.030 / 0.040
G21     147.1          39.4               11.4 +/-    1.04      16.7 +/-    1.04  0.040 / 0.040
G24     53.3           23.4                7.6 +/-    0.84      15.4 +/-    0.84  0.040 / 0.090
G27     254.4          31.2               11.8 +/-    1.86      20.2 +/-    1.86  0.040 / 0.100
G32     249.4          69.9               10.6 +/-    0.48      11.2 +/-    0.48  0.050 / 0.090