PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/18-00:27:50
G01     305.9          35.4                7.8 +/-    1.46      12.3 +/-    1.46  0.090 / 0.150
G10     106.7          37.8                9.0 +/-    0.30      13.6 +/-    0.30  0.080 / 0.220
G11     282.9          26.8                8.9 +/-    1.90      16.8 +/-    1.90  0.060 / 0.100
G14     351.1          67.7                7.2 +/-    0.48       7.7 +/-    0.48  0.060 / 0.100
G18     275.6          50.4                8.2 +/-    1.28      10.3 +/-    1.28  0.050 / 0.040
G20     121.2          12.6               10.1 +/-    2.89      26.6 +/-    2.89  0.050 / 0.040
G22     310.0          24.7                8.4 +/-    1.39      16.5 +/-    1.39  0.080 / 0.310
G25     82.9           16.4                7.4 +/-    1.55      17.9 +/-    1.55  0.070 / 0.290
G31     162.5          66.3                9.1 +/-    0.50       9.9 +/-    0.50  0.050 / 0.070
G32     36.9           51.9                7.2 +/-    0.85       8.9 +/-    0.85  0.060 / 0.080