PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/14-20:12:30
G01     91.3           31.1               12.6 +/-    0.75      21.5 +/-    0.75  0.030 / 0.070
G07     125.2          40.6               12.6 +/-    0.54      18.1 +/-    0.54  0.050 / 0.060
G11     68.5           40.0               11.0 +/-    1.22      16.1 +/-    1.22  0.090 / 0.160
G13     295.5          36.4               12.6 +/-    3.35      19.4 +/-    3.35  0.090 / 0.150
G17     212.4          53.1               13.5 +/-    0.73      16.4 +/-    0.73  0.060 / 0.050
G18     62.8           23.1               10.7 +/-    1.02      21.8 +/-    1.02  0.060 / 0.050
G19     213.4          26.0               13.5 +/-    1.86      25.7 +/-    1.86  0.030 / 0.030
G28     336.9          61.5               10.2 +/-    0.62      11.4 +/-    0.62  0.030 / 0.030
G30     102.7          75.7               11.3 +/-    0.81      11.6 +/-    0.81  0.100 / 0.140