PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-19:27:40
G05     49.6           15.5                7.8 +/-    2.15      19.3 +/-    2.15  0.050 / 0.080
G10     238.2          16.7               16.0 +/-    2.24      38.2 +/-    2.24  0.040 / 0.080
G13     70.3           34.8               11.1 +/-    1.21      17.7 +/-    1.21  0.070 / 0.120
G15     120.7          54.5               12.2 +/-    0.42      14.6 +/-    0.42  0.060 / 0.110
G16     310.8          13.8                7.9 +/-    2.55      20.3 +/-    2.55  0.030 / 0.040
G20     252.0          40.4               13.6 +/-    1.63      19.7 +/-    1.63  0.030 / 0.040
G21     316.3          48.4               10.6 +/-    0.68      13.6 +/-    0.68  0.110 / 0.210
G26     284.0          19.8               10.1 +/-    1.81      22.3 +/-    1.81  0.100 / 0.170
G29     156.0          69.1               12.1 +/-    0.75      12.9 +/-    0.75  0.110 / 0.410