PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-22:27:40
G08     295.2          22.0                9.7 +/-    1.61      20.4 +/-    1.61  0.070 / 0.120
G10     13.6           62.7                9.7 +/-    0.59      10.8 +/-    0.59  0.110 / 0.120
G14     229.7          44.8               14.4 +/-    0.85      19.4 +/-    0.85  0.050 / 0.100
G18     318.0          11.0               -4.9 +/-   28.03     -13.3 +/-   28.03  0.050 / 0.080
G20     68.0           50.8               10.1 +/-    0.79      12.7 +/-    0.79  0.070 / 0.110
G21     147.5          40.4               12.0 +/-    0.85      17.4 +/-    0.85  0.050 / 0.090
G24     56.3           25.9                9.9 +/-    1.12      19.0 +/-    1.12  0.080 / 0.200
G27     253.5          31.7               10.8 +/-    1.73      18.4 +/-    1.73  0.080 / 0.210
G32     247.4          69.1               11.7 +/-    1.27      12.4 +/-    1.27  0.110 / 0.530