PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-04:27:50
G03     231.0          66.4                5.3 +/-    1.16       5.8 +/-    1.16  0.090 / 0.240
G07     250.6          11.6               -0.2 +/-   15.61      -0.4 +/-   15.61  0.150 / 0.250
G09     305.6          21.5                4.0 +/-    1.65       8.5 +/-    1.65  0.160 / 0.350
G14     101.5          13.9                4.8 +/-    1.88      12.3 +/-    1.88  0.150 / 0.420
G16     116.0          60.7                5.9 +/-    0.70       6.7 +/-    0.70  0.260 / 0.200
G22     195.6          52.3                7.7 +/-    0.55       9.5 +/-    0.55  0.120 / 0.190
G23     324.1          54.0                4.4 +/-    0.64       5.3 +/-    0.64  0.050 / 0.050
G26     63.6           49.1                4.7 +/-    1.60       6.0 +/-    1.60  0.050 / 0.050
G31     54.8           15.3                1.8 +/-    1.28       4.4 +/-    1.28  0.040 / 0.060