PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/04-19:13:00
G10     276.7          44.7               15.4 +/-    1.95      20.8 +/-    1.95  0.090 / 0.130
G13     38.5           11.0               13.3 +/-    4.12      36.4 +/-    4.12  0.100 / 0.140
G15     52.0           41.8               13.3 +/-    0.69      18.9 +/-    0.69  0.050 / 0.050
G20     317.4          63.8               15.3 +/-    1.52      16.9 +/-    1.52  0.060 / 0.040
G21     24.9           75.6               15.0 +/-    0.79      15.5 +/-    0.79  0.150 / 0.250
G24     115.6          18.6               18.6 +/-    1.73      42.3 +/-    1.73  0.160 / 0.300
G27     314.8          24.6               13.8 +/-    2.76      27.2 +/-    2.76  0.170 / 0.630
G29     168.1          24.0               17.8 +/-    1.74      35.5 +/-    1.74  0.180 / 0.720
G32     205.0          16.9               21.5 +/-    3.15      51.1 +/-    3.15  0.040 / 0.060