PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-04:12:40
G03     219.3          61.7                6.7 +/-    1.14       7.5 +/-    1.14  0.120 / 0.250
G07     255.1          15.4                5.2 +/-    2.98      12.7 +/-    2.98  0.150 / 0.340
G09     308.9          26.5                3.9 +/-    2.40       7.4 +/-    2.40  0.180 / 0.330
G14     106.1          10.1                5.0 +/-    1.19      13.8 +/-    1.19  0.170 / 0.410
G16     101.1          62.8                6.0 +/-    1.28       6.7 +/-    1.28  0.130 / 0.160
G22     192.4          46.0                6.8 +/-    0.86       9.0 +/-    0.86  0.120 / 0.140
G23     329.3          58.8                4.8 +/-    0.66       5.5 +/-    0.66  0.050 / 0.060
G26     56.6           45.0                4.5 +/-    0.94       6.1 +/-    0.94  0.060 / 0.060
G31     58.1           11.0                3.2 +/-    2.04       8.8 +/-    2.04  0.040 / 0.050