PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-03:57:30
G10     302.7          54.0                7.5 +/-    1.27       9.0 +/-    1.27  0.040 / 0.040
G14     210.5          14.1               10.4 +/-    2.46      26.5 +/-    2.46  0.040 / 0.040
G15     45.7           24.7                5.4 +/-    0.92      10.6 +/-    0.92  0.070 / 0.100
G20     358.6          65.0                8.0 +/-    1.17       8.7 +/-    1.17  0.070 / 0.090
G21     103.9          72.3               -2.7 +/-    0.26      -2.9 +/-    0.26  0.050 / 0.050
G24     94.8           27.4                8.8 +/-    0.83      16.3 +/-    0.83  0.040 / 0.050
G27     298.8          34.8                8.9 +/-    1.32      14.2 +/-    1.32  0.110 / 0.470
G32     211.8          31.8               10.6 +/-    0.95      17.9 +/-    0.95  0.170 / 0.530