PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/03-21:42:40
G05     47.9           18.8                6.8 +/-    1.06      15.3 +/-    1.06  0.100 / 0.310
G10     234.6          12.3               12.3 +/-    2.06      32.7 +/-    2.06  0.100 / 0.430
G13     77.4           35.4                8.7 +/-    0.38      13.6 +/-    0.38  0.140 / 0.380
G15     127.3          51.1               11.9 +/-    0.38      14.8 +/-    0.38  0.120 / 0.340
G16     316.1          11.5                7.5 +/-    3.94      20.2 +/-    3.94  0.060 / 0.170
G20     246.5          35.3               11.7 +/-    1.30      18.5 +/-    1.30  0.060 / 0.130
G21     311.1          44.9                7.8 +/-    1.62      10.5 +/-    1.62  0.050 / 0.100
G25     201.1          13.4               13.0 +/-    3.58      33.6 +/-    3.58  0.040 / 0.090
G26     290.0          20.2                9.1 +/-    1.73      19.9 +/-    1.73  0.040 / 0.040
G29     150.2          74.6               10.4 +/-    0.55      10.8 +/-    0.55  0.030 / 0.040