PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-23:27:50
G08     276.9          20.2                8.3 +/-    1.48      18.2 +/-    1.48  0.130 / 0.200
G10     51.3           59.3                8.5 +/-    1.43       9.7 +/-    1.43  0.110 / 0.190
G14     251.1          59.9                8.2 +/-    0.87       9.3 +/-    0.87  0.040 / 0.060
G18     315.4          26.8                6.7 +/-    1.94      12.7 +/-    1.94  0.040 / 0.060
G20     89.5           40.0                8.4 +/-    0.87      12.2 +/-    0.87  0.170 / 0.180
G21     154.1          22.6                9.9 +/-    1.44      20.6 +/-    1.44  0.210 / 0.130
G24     43.3           15.3                7.0 +/-    2.02      17.1 +/-    2.02  0.040 / 0.030
G27     236.9          20.7               10.1 +/-    2.36      21.9 +/-    2.36  0.030 / 0.030
G31     178.5          24.8                9.7 +/-    2.46      19.0 +/-    2.46  0.110 / 0.220
G32     313.6          76.5                8.8 +/-    0.37       9.0 +/-    0.37  0.170 / 0.510