PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-21:43:00
G05     50.5           13.0                7.8 +/-    1.01      20.5 +/-    1.01  0.100 / 0.310
G10     239.4          17.9               11.2 +/-    2.16      25.9 +/-    2.16  0.120 / 0.340
G13     68.1           34.5                9.5 +/-    0.92      15.3 +/-    0.92  0.050 / 0.070
G15     115.5          55.4               11.2 +/-    0.52      13.3 +/-    0.52  0.070 / 0.070
G16     309.7          13.9                8.0 +/-    0.84      20.3 +/-    0.84  0.080 / 0.150
G20     253.4          40.9               12.3 +/-    1.26      17.7 +/-    1.26  0.070 / 0.150
G21     318.0          49.7               11.4 +/-    0.82      14.4 +/-    0.82  0.110 / 0.290
G26     282.4          19.5                8.2 +/-    1.54      18.3 +/-    1.54  0.120 / 0.390
G29     156.8          66.3               10.1 +/-    0.94      11.0 +/-    0.94  0.060 / 0.130