PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-21:58:00
G05     50.3           13.4                6.4 +/-    1.47      16.5 +/-    1.47  0.100 / 0.240
G10     239.0          17.4               11.3 +/-    2.37      26.5 +/-    2.37  0.170 / 0.320
G13     68.9           34.6                8.2 +/-    0.57      13.1 +/-    0.57  0.070 / 0.170
G15     116.4          55.1               10.7 +/-    0.61      12.7 +/-    0.61  0.060 / 0.130
G16     310.3          13.7                8.1 +/-    1.34      20.7 +/-    1.34  0.050 / 0.070
G20     252.8          40.3               11.6 +/-    1.16      16.8 +/-    1.16  0.050 / 0.070
G21     317.4          49.3               10.3 +/-    1.21      13.1 +/-    1.21  0.020 / 0.040
G26     283.1          19.6                8.8 +/-    1.90      19.6 +/-    1.90  0.030 / 0.050
G29     156.4          66.9               10.5 +/-    1.27      11.4 +/-    1.27  0.070 / 0.170