PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-21:42:40
G08     294.7          22.3               18.8 +/-    1.01      39.2 +/-    1.01  0.060 / 0.090
G10     13.7           62.6               17.6 +/-    0.57      19.5 +/-    0.57  0.050 / 0.090
G14     229.6          44.4               19.5 +/-    2.22      26.5 +/-    2.22  0.130 / 0.110
G18     318.0          11.0               -4.0 +/-   32.82     -11.0 +/-   32.82  0.080 / 0.130
G20     68.3           50.6               15.7 +/-    0.69      19.7 +/-    0.69  0.100 / 0.220
G21     147.5          40.3               18.7 +/-    0.86      27.1 +/-    0.86  0.100 / 0.210
G24     56.4           26.0               14.9 +/-    1.45      28.5 +/-    1.45  0.160 / 0.250
G27     253.4          31.7               21.8 +/-    2.57      36.9 +/-    2.57  0.460 / 0.530
G32     247.6          69.4               20.0 +/-    0.52      21.3 +/-    0.52  0.070 / 0.090