PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/24-18:27:50
G10     299.8          53.4               16.9 +/-    1.69      20.5 +/-    1.69  0.060 / 0.080
G15     45.8           26.2               16.2 +/-    1.92      30.9 +/-    1.92  0.060 / 0.090
G20     358.6          65.1               18.0 +/-    0.53      19.6 +/-    0.53  0.040 / 0.030
G21     96.1           74.1               20.8 +/-    0.61      21.5 +/-    0.61  0.040 / 0.040
G24     99.3           26.8               18.8 +/-    0.98      35.3 +/-    0.98  0.080 / 0.120
G27     300.5          34.6               15.9 +/-    0.96      25.4 +/-    0.96  0.100 / 0.100
G32     209.9          33.3               21.0 +/-    1.52      34.4 +/-    1.52  0.060 / 0.060