PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-22:12:30
G08     305.6          19.9               13.1 +/-    1.86      28.8 +/-    1.86  0.070 / 0.080
G10     350.7          62.1               10.1 +/-    0.56      11.2 +/-    0.56  0.070 / 0.090
G14     221.9          35.3               16.0 +/-    1.20      25.3 +/-    1.20  0.040 / 0.070
G20     52.2           56.4               11.4 +/-    0.41      13.4 +/-    0.41  0.050 / 0.060
G21     140.9          50.8               13.8 +/-    1.01      17.3 +/-    1.01  0.100 / 0.150
G24     66.9           29.5               10.9 +/-    0.80      19.3 +/-    0.80  0.090 / 0.150
G27     265.8          36.1               14.8 +/-    0.97      23.1 +/-    0.97  0.140 / 0.280
G32     230.1          59.8               15.9 +/-    0.66      18.1 +/-    0.66  0.150 / 0.350