PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-21:12:30
G08     302.6          21.1               10.1 +/-    2.46      21.6 +/-    2.46  0.040 / 0.070
G10     356.1          62.4               10.1 +/-    1.17      11.2 +/-    1.17  0.040 / 0.080
G14     223.5          37.0               11.7 +/-    1.65      17.8 +/-    1.65  0.060 / 0.120
G20     56.7           54.8               10.2 +/-    0.83      12.2 +/-    0.83  0.080 / 0.140
G21     142.7          48.2               10.8 +/-    0.71      13.9 +/-    0.71  0.120 / 0.320
G24     64.4           29.0                9.4 +/-    1.29      16.8 +/-    1.29  0.130 / 0.280
G27     262.6          35.3               11.8 +/-    1.59      18.7 +/-    1.59  0.060 / 0.090
G32     233.4          62.5               10.8 +/-    1.38      12.0 +/-    1.38  0.100 / 0.090