PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-19:27:30
G01     226.2          16.8               12.0 +/-    3.96      28.7 +/-    3.96  0.090 / 0.210
G03     281.2          69.7               12.3 +/-    0.89      13.0 +/-    0.89  0.100 / 0.180
G14     86.6           24.9               13.1 +/-    1.13      25.5 +/-    1.13  0.040 / 0.040
G16     148.1          45.0               15.8 +/-    0.94      21.4 +/-    0.94  0.040 / 0.040
G22     212.8          70.1               13.1 +/-    1.07      13.8 +/-    1.07  0.050 / 0.100
G23     308.1          38.3               11.3 +/-    1.10      16.8 +/-    1.10  0.050 / 0.100
G26     96.6           54.3               12.4 +/-    0.95      14.9 +/-    0.95  0.110 / 0.330
G31     45.3           31.7                9.3 +/-    0.59      15.6 +/-    0.59  0.120 / 0.280