PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-19:43:10
G08     318.6          13.0               16.2 +/-    4.89      42.3 +/-    4.89  0.060 / 0.080
G10     308.2          54.8               15.8 +/-    1.46      18.9 +/-    1.46  0.040 / 0.070
G14     212.5          19.8               23.8 +/-    3.76      52.7 +/-    3.76  0.040 / 0.040
G15     45.5           20.7               14.8 +/-    3.38      31.9 +/-    3.38  0.040 / 0.040
G18     17.4           63.8               16.4 +/-    2.04      18.0 +/-    2.04  0.180 / 0.280
G20     76.5           14.2               15.3 +/-    4.96      38.9 +/-    4.96  0.140 / 0.420
G21     118.2          64.9               19.4 +/-    2.02      21.2 +/-    2.02  0.090 / 0.110
G24     90.5           29.1               19.1 +/-    5.53      34.0 +/-    5.53  0.080 / 0.100
G27     289.8          37.4               13.5 +/-    3.13      20.5 +/-    3.13  0.210 / 0.310
G32     214.9          37.5               22.4 +/-    4.95      34.0 +/-    4.95  0.300 / 0.300