PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-22:27:50
G08     295.2          22.0                9.8 +/-    1.63      20.4 +/-    1.63  0.050 / 0.090
G10     13.6           62.7               10.2 +/-    0.81      11.3 +/-    0.81  0.050 / 0.090
G14     229.7          44.8               12.2 +/-    2.28      16.5 +/-    2.28  0.090 / 0.140
G18     318.0          11.0               -4.0 +/-   30.44     -10.9 +/-   30.44  0.090 / 0.130
G20     68.0           50.8                8.8 +/-    0.89      11.0 +/-    0.89  0.160 / 0.250
G21     147.5          40.4               11.0 +/-    1.16      15.9 +/-    1.16  0.460 / 0.530
G24     56.3           25.9                9.7 +/-    1.80      18.6 +/-    1.80  0.080 / 0.180
G27     253.5          31.7                8.9 +/-    2.46      15.0 +/-    2.46  0.080 / 0.180
G32     247.4          69.1                9.8 +/-    0.39      10.4 +/-    0.39  0.030 / 0.030