PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-19:12:40
G08     308.9          19.2               10.2 +/-    1.36      23.0 +/-    1.36  0.050 / 0.070
G10     339.6          61.1               15.5 +/-    0.63      17.5 +/-    0.63  0.090 / 0.090
G14     218.7          28.6               22.6 +/-    2.79      40.7 +/-    2.79  0.220 / 0.170
G20     44.7           58.2               16.2 +/-    0.72      18.8 +/-    0.72  0.240 / 0.250
G21     136.2          55.7               20.1 +/-    0.95      23.8 +/-    0.95  0.040 / 0.050
G24     73.5           30.6               16.5 +/-    1.71      28.6 +/-    1.71  0.040 / 0.050
G27     272.6          37.6               16.6 +/-    1.70      25.1 +/-    1.70  0.060 / 0.090
G32     224.1          55.4               20.1 +/-    2.24      23.8 +/-    2.24  0.070 / 0.090