PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-22:57:50
G10     272.1          42.2                9.1 +/-    1.31      12.8 +/-    1.31  0.140 / 0.200
G13     39.8           14.1                6.4 +/-    1.26      16.4 +/-    1.26  0.110 / 0.180
G15     55.2           45.6                8.1 +/-    0.61      10.9 +/-    0.61  0.200 / 0.640
G16     275.4          11.1                9.0 +/-    2.26      24.6 +/-    2.26  0.120 / 0.690
G20     306.0          61.8                9.3 +/-    1.60      10.4 +/-    1.60  0.050 / 0.050
G21     11.7           73.7                9.2 +/-    0.91       9.5 +/-    0.91  0.040 / 0.040
G24     118.1          16.5               10.8 +/-    1.78      25.8 +/-    1.78  0.110 / 0.340
G27     317.1          21.5                6.7 +/-    3.29      14.2 +/-    3.29  0.110 / 0.270
G29     167.4          26.9               12.3 +/-    1.35      23.1 +/-    1.35  0.070 / 0.070
G32     204.8          12.2               14.9 +/-    8.44      39.7 +/-    8.44  0.070 / 0.060