PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-00:57:50
G08     297.3          21.3                6.4 +/-    2.16      13.7 +/-    2.16  0.100 / 0.120
G10     11.8           62.7                7.3 +/-    1.00       8.1 +/-    1.00  0.060 / 0.100
G14     229.3          45.4               10.1 +/-    2.37      13.5 +/-    2.37  0.050 / 0.080
G18     317.9          10.6              -10.7 +/-   11.88     -29.5 +/-   11.88  0.050 / 0.080
G20     65.9           52.0                7.9 +/-    1.11       9.7 +/-    1.11  0.110 / 0.150
G21     147.1          41.0                9.8 +/-    1.13      14.0 +/-    1.13  0.130 / 0.130
G24     56.5           25.9                8.6 +/-    1.12      16.5 +/-    1.12  0.160 / 0.290
G27     254.5          32.0                8.2 +/-    2.21      13.8 +/-    2.21  0.040 / 0.030
G32     245.2          67.6                8.1 +/-    0.69       8.7 +/-    0.69  0.040 / 0.030