PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-08:28:10
G07     46.3           69.1                6.4 +/-    0.38       6.8 +/-    0.38  0.050 / 0.100
G08     56.0           45.2                4.0 +/-    0.68       5.3 +/-    0.68  0.050 / 0.090
G09     177.8          40.2                9.8 +/-    2.04      14.3 +/-    2.04  0.160 / 0.290
G11     124.0          33.8                8.7 +/-    0.82      14.2 +/-    0.82  0.170 / 0.330
G18     106.7          14.6                7.1 +/-    1.76      17.7 +/-    1.76  0.020 / 0.030
G23     159.9          10.1                6.0 +/-    4.01      16.8 +/-    4.01  0.030 / 0.030
G27     37.8           10.8                3.7 +/-    2.89      10.2 +/-    2.89  0.240 / 0.420
G28     263.7          44.7                4.4 +/-    1.08       6.0 +/-    1.08  0.250 / 0.420
G30     326.6          56.3                4.0 +/-    0.94       4.7 +/-    0.94  0.060 / 0.060