PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/23-23:28:10
G01     316.7          24.2                6.7 +/-    1.41      13.4 +/-    1.41  0.150 / 0.160
G08     255.2          10.9                8.8 +/-    2.46      24.2 +/-    2.46  0.100 / 0.180
G10     88.5           48.2                7.8 +/-    1.10      10.1 +/-    1.10  0.050 / 0.050
G11     299.6          23.7                7.2 +/-    0.68      14.4 +/-    0.68  0.040 / 0.050
G14     305.3          70.4                7.7 +/-    0.60       8.1 +/-    0.60  0.110 / 0.110
G18     298.9          44.6                6.9 +/-    4.26       9.3 +/-    4.26  0.050 / 0.130
G20     110.4          24.0                9.0 +/-    1.04      17.9 +/-    1.04  0.030 / 0.030
G22     303.4          12.7                8.2 +/-    1.68      21.6 +/-    1.68  0.030 / 0.020
G31     172.8          48.9                9.2 +/-    1.01      11.8 +/-    1.01  0.150 / 0.300
G32     17.9           63.4                7.1 +/-    0.32       7.8 +/-    0.32  0.270 / 0.270