PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-22:42:50
G08     303.6          20.4                8.5 +/-    1.29      18.5 +/-    1.29  0.040 / 0.060
G10     355.9          62.4                8.5 +/-    1.28       9.5 +/-    1.28  0.050 / 0.060
G14     223.5          37.8               11.9 +/-    1.94      18.0 +/-    1.94  0.130 / 0.160
G20     55.9           55.3                7.8 +/-    0.59       9.3 +/-    0.59  0.100 / 0.120
G21     142.7          48.4               11.1 +/-    0.71      14.2 +/-    0.71  0.060 / 0.040
G24     64.2           28.9                9.4 +/-    1.75      16.8 +/-    1.75  0.060 / 0.040
G27     262.8          35.3               11.6 +/-    2.64      18.2 +/-    2.64  0.110 / 0.310
G32     233.3          61.9               10.9 +/-    1.50      12.2 +/-    1.50  0.110 / 0.300