PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/02-21:43:10
G05     47.5           20.0                6.0 +/-    1.22      13.2 +/-    1.22  0.180 / 0.330
G10     233.8          11.2               -1.8 +/-   43.10      -4.8 +/-   43.10  0.210 / 0.400
G13     79.2           35.4                8.2 +/-    0.94      12.8 +/-    0.94  0.200 / 0.260
G15     129.2          50.2                9.6 +/-    0.71      12.0 +/-    0.71  0.140 / 0.300
G16     317.2          10.9               -0.1 +/-   17.08      -0.1 +/-   17.08  0.130 / 0.560
G20     245.2          34.2               11.4 +/-    2.02      18.4 +/-    2.02  0.130 / 0.530
G21     309.8          44.0                7.6 +/-    1.53      10.4 +/-    1.53  0.050 / 0.080
G25     201.8          14.5               12.1 +/-    1.09      30.5 +/-    1.09  0.040 / 0.100
G26     291.4          20.2                9.5 +/-    3.00      20.9 +/-    3.00  0.070 / 0.120
G29     148.3          76.1                6.9 +/-    1.30       7.1 +/-    1.30  0.080 / 0.140