PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-21:28:10
G02     200.0          20.9               16.6 +/-    3.28      35.7 +/-    3.28  0.160 / 0.370
G06     170.1          54.1               14.8 +/-    0.53      17.8 +/-    0.53  0.170 / 0.290
G13     227.7          13.4               17.4 +/-    1.49      45.0 +/-    1.49  0.100 / 0.110
G17     16.1           62.6               11.4 +/-    0.68      12.7 +/-    0.68  0.100 / 0.110
G19     316.5          70.8               11.8 +/-    0.43      12.4 +/-    0.43  0.060 / 0.090
G24     310.2          29.5               11.3 +/-    1.27      20.0 +/-    1.27  0.050 / 0.080
G28     87.7           39.8               12.6 +/-    0.99      18.4 +/-    0.99  0.040 / 0.040
G30     156.8          14.3               14.3 +/-    1.95      36.3 +/-    1.95  0.050 / 0.040