PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-01:13:00
G08     294.1          21.6                6.9 +/-    1.25      14.6 +/-    1.25  0.080 / 0.130
G10     18.5           62.6                7.4 +/-    0.34       8.2 +/-    0.34  0.090 / 0.120
G14     232.1          48.2               11.4 +/-    1.25      14.7 +/-    1.25  0.070 / 0.080
G18     317.9          13.3                6.6 +/-    1.37      17.0 +/-    1.37  0.060 / 0.080
G20     70.2           50.3                8.3 +/-    0.34      10.5 +/-    0.34  0.060 / 0.100
G21     148.6          37.9                9.0 +/-    1.64      13.5 +/-    1.64  0.050 / 0.110
G24     53.8           24.4                6.6 +/-    0.46      13.0 +/-    0.46  0.090 / 0.180
G27     251.3          30.3               10.6 +/-    1.66      18.4 +/-    1.66  0.090 / 0.190
G31     182.3          10.4               -3.1 +/-   23.39      -8.6 +/-   23.39  0.030 / 0.030
G32     252.0          69.9                9.7 +/-    0.43      10.3 +/-    0.43  0.030 / 0.030