PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-21:27:50
G08     278.0          21.1               14.4 +/-    2.42      30.8 +/-    2.42  0.070 / 0.110
G10     46.7           60.0               12.8 +/-    0.91      14.5 +/-    0.91  0.100 / 0.220
G14     246.6          57.1               14.5 +/-    0.81      16.9 +/-    0.81  0.130 / 0.260
G20     87.4           40.9               11.9 +/-    1.03      17.0 +/-    1.03  0.110 / 0.240
G21     153.4          24.7               15.2 +/-    2.10      30.0 +/-    2.10  0.040 / 0.060
G24     44.8           17.2               10.0 +/-    2.89      23.5 +/-    2.89  0.040 / 0.050
G27     238.7          22.3               15.2 +/-    2.48      31.6 +/-    2.48  0.200 / 0.260
G31     179.3          22.1               16.5 +/-    1.45      34.4 +/-    1.45  0.290 / 0.420
G32     304.9          76.9               12.7 +/-    0.71      13.0 +/-    0.71  0.130 / 0.220