PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-18:58:10
G10     250.3          26.8               16.5 +/-    1.28      30.9 +/-    1.28  0.040 / 0.050
G13     53.7           29.8               12.5 +/-    2.11      21.9 +/-    2.11  0.050 / 0.050
G15     94.7           59.6               15.0 +/-    0.86      17.1 +/-    0.86  0.120 / 0.360
G16     295.8          15.6               11.4 +/-    1.41      27.9 +/-    1.41  0.100 / 0.300
G20     269.3          50.6               16.0 +/-    2.68      20.0 +/-    2.68  0.090 / 0.110
G21     334.3          60.3               13.9 +/-    0.62      15.7 +/-    0.62  0.080 / 0.180
G26     268.5          15.7               14.0 +/-    1.10      34.2 +/-    1.10  0.030 / 0.030
G29     164.4          50.6               16.5 +/-    0.68      20.7 +/-    0.68  0.050 / 0.040