PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-18:57:40
G10     249.9          26.5               16.8 +/-    1.34      31.7 +/-    1.34  0.040 / 0.050
G13     54.1           30.0               11.5 +/-    0.87      20.1 +/-    0.87  0.040 / 0.050
G15     95.7           59.6               14.3 +/-    0.31      16.2 +/-    0.31  0.060 / 0.130
G16     296.2          15.6               11.9 +/-    3.73      29.2 +/-    3.73  0.070 / 0.150
G20     268.7          50.3               13.9 +/-    0.63      17.4 +/-    0.63  0.180 / 0.470
G21     333.8          60.0               12.6 +/-    0.82      14.3 +/-    0.82  0.150 / 0.690
G26     268.9          15.8               14.9 +/-    2.44      36.4 +/-    2.44  0.030 / 0.040
G29     164.3          51.1               15.0 +/-    0.81      18.7 +/-    0.81  0.030 / 0.040