PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-11:58:10
G08     269.8          19.8                3.6 +/-    3.19       8.0 +/-    3.19  0.030 / 0.030
G10     55.3           59.0                4.1 +/-    0.98       4.7 +/-    0.98  0.030 / 0.030
G14     259.4          64.9                5.3 +/-    0.73       5.7 +/-    0.73  0.100 / 0.200
G18     313.4          31.4                5.7 +/-    1.83       9.7 +/-    1.83  0.160 / 0.240
G20     91.8           38.9                5.1 +/-    0.62       7.6 +/-    0.62  0.040 / 0.050
G21     153.3          15.9                3.4 +/-    2.19       8.2 +/-    2.19  0.040 / 0.060
G24     40.5           10.9                2.4 +/-    1.59       6.6 +/-    1.59  0.090 / 0.220
G27     236.6          19.1                5.7 +/-    1.68      12.8 +/-    1.68  0.100 / 0.200
G31     180.6          24.6                5.7 +/-    1.35      11.2 +/-    1.35  0.160 / 0.210
G32     306.2          74.8                5.9 +/-    0.69       6.0 +/-    0.69  0.120 / 0.190