PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-22:42:40
G07     325.9          55.1                9.4 +/-    1.01      11.2 +/-    1.01  0.040 / 0.050
G08     110.0          50.5               12.8 +/-    0.35      16.0 +/-    0.35  0.050 / 0.060
G09     207.8          79.0               10.1 +/-    0.82      10.2 +/-    0.82  0.100 / 0.210
G16     45.3           11.9                7.6 +/-    2.13      20.3 +/-    2.13  0.110 / 0.190
G23     153.4          45.6               11.9 +/-    0.87      15.9 +/-    0.87  0.040 / 0.070
G27     59.0           33.3                9.9 +/-    0.56      16.2 +/-    0.56  0.040 / 0.070
G28     234.0          26.4               11.1 +/-    1.57      21.0 +/-    1.57  0.240 / 0.420
G30     300.7          35.6               10.3 +/-    0.64      16.2 +/-    0.64  0.220 / 0.470