PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-17:42:50
G05     47.2           21.9               10.0 +/-    0.40      21.0 +/-    0.40  0.070 / 0.120
G10     233.9          11.7               15.6 +/-    3.48      42.1 +/-    3.48  0.060 / 0.150
G13     78.8           35.3               12.8 +/-    0.89      20.1 +/-    0.89  0.050 / 0.090
G15     128.5          50.4               13.7 +/-    0.62      17.2 +/-    0.62  0.050 / 0.090
G16     316.2          11.6               10.6 +/-    3.40      28.5 +/-    3.40  0.230 / 0.370
G20     246.0          35.9               14.8 +/-    0.79      23.0 +/-    0.79  0.180 / 0.490
G21     310.2          44.2               11.4 +/-    0.87      15.5 +/-    0.87  0.050 / 0.130
G25     201.6          14.4               15.6 +/-    2.04      39.4 +/-    2.04  0.050 / 0.120
G26     290.8          20.3               13.1 +/-    2.23      28.5 +/-    2.23  0.190 / 0.660
G29     149.1          77.1               13.3 +/-    0.83      13.7 +/-    0.83  0.160 / 0.540