PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-20:13:20
G10     256.4          32.8               14.0 +/-    1.70      23.2 +/-    1.70  0.040 / 0.050
G13     47.8           24.8               10.8 +/-    1.96      21.3 +/-    1.96  0.050 / 0.050
G15     75.6           56.3               12.3 +/-    0.79      14.5 +/-    0.79  0.100 / 0.140
G16     289.0          15.2               10.5 +/-    2.31      26.0 +/-    2.31  0.070 / 0.220
G20     280.4          55.4               12.0 +/-    2.51      14.2 +/-    2.51  0.040 / 0.040
G21     341.7          63.9               12.5 +/-    0.88      13.7 +/-    0.88  0.040 / 0.040
G26     262.2          12.8               13.9 +/-    2.41      36.4 +/-    2.41  0.250 / 0.810
G29     165.3          43.4               14.8 +/-    0.69      20.4 +/-    0.69  0.230 / 0.700