PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-21:42:50
G08     298.9          22.9               15.7 +/-    1.21      32.2 +/-    1.21  0.060 / 0.090
G10     353.0          62.3               15.9 +/-    0.58      17.7 +/-    0.58  0.060 / 0.080
G14     224.1          39.7               23.6 +/-    1.61      34.4 +/-    1.61  0.050 / 0.080
G20     54.9           55.9               16.9 +/-    0.68      20.0 +/-    0.68  0.050 / 0.070
G21     142.4          46.8               21.7 +/-    1.18      28.5 +/-    1.18  0.060 / 0.110
G24     60.2           26.3               17.8 +/-    0.45      33.8 +/-    0.45  0.060 / 0.100
G27     264.0          34.7               20.1 +/-    1.02      32.2 +/-    1.02  0.090 / 0.130
G32     234.3          62.6               22.2 +/-    1.11      24.6 +/-    1.11  0.090 / 0.110