PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-20:28:00
G08     300.2          21.8               11.8 +/-    1.68      24.9 +/-    1.68  0.060 / 0.100
G10     0.3            62.5               12.2 +/-    0.37      13.6 +/-    0.37  0.080 / 0.110
G14     224.8          38.3               15.4 +/-    1.62      23.0 +/-    1.62  0.050 / 0.080
G20     60.0           53.6               12.0 +/-    1.00      14.5 +/-    1.00  0.050 / 0.090
G21     143.9          46.2               14.3 +/-    0.69      18.9 +/-    0.69  0.060 / 0.140
G24     62.6           28.5               11.5 +/-    0.89      20.9 +/-    0.89  0.050 / 0.110
G27     260.3          34.6               14.2 +/-    1.08      22.8 +/-    1.08  0.050 / 0.110
G32     236.2          64.5               15.6 +/-    0.69      17.1 +/-    0.69  0.060 / 0.080