PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-22:12:30
G08     296.3          22.0                9.5 +/-    1.38      20.0 +/-    1.38  0.060 / 0.090
G10     10.9           62.7                8.3 +/-    1.01       9.2 +/-    1.01  0.050 / 0.080
G14     228.6          43.6               12.2 +/-    1.95      16.8 +/-    1.95  0.070 / 0.090
G20     66.3           51.4                8.9 +/-    0.83      11.0 +/-    0.83  0.150 / 0.150
G21     146.8          41.6               10.8 +/-    0.89      15.3 +/-    0.89  0.030 / 0.030
G24     57.5           26.5                8.6 +/-    1.48      16.3 +/-    1.48  0.030 / 0.030
G27     254.8          32.3               10.1 +/-    1.94      16.9 +/-    1.94  0.140 / 0.120
G32     244.8          68.2                9.8 +/-    0.76      10.5 +/-    0.76  0.060 / 0.110