PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/12-19:28:00
G10     270.3          40.3               12.8 +/-    1.33      18.5 +/-    1.33  0.160 / 0.260
G13     40.6           15.8                9.6 +/-    2.14      23.5 +/-    2.14  0.170 / 0.280
G15     59.0           50.3               10.4 +/-    0.43      13.0 +/-    0.43  0.040 / 0.050
G16     276.2          11.2               10.0 +/-    3.28      27.2 +/-    3.28  0.040 / 0.050
G20     303.3          61.5               10.7 +/-    0.66      12.0 +/-    0.66  0.130 / 0.660
G21     13.1           73.7               12.8 +/-    0.69      13.2 +/-    0.69  0.150 / 0.640
G24     114.9          16.2               13.3 +/-    1.25      32.2 +/-    1.25  0.120 / 0.460
G27     318.0          19.9               10.8 +/-    1.56      23.8 +/-    1.56  0.120 / 0.490
G29     168.0          28.3               13.8 +/-    1.47      25.0 +/-    1.47  0.100 / 0.170
G32     204.5          12.3               13.1 +/-    2.69      34.7 +/-    2.69  0.120 / 0.190