PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-22:12:50
G08     271.1          20.5               12.1 +/-    1.59      26.4 +/-    1.59  0.170 / 0.220
G10     50.8           60.1               13.2 +/-    0.52      14.9 +/-    0.52  0.170 / 0.220
G14     254.8          62.4               13.5 +/-    0.67      15.1 +/-    0.67  0.040 / 0.050
G18     314.5          28.4               10.1 +/-    1.71      18.3 +/-    1.71  0.040 / 0.050
G20     89.5           40.4               12.3 +/-    1.04      17.8 +/-    1.04  0.170 / 0.390
G21     153.5          20.2               14.0 +/-    0.89      30.7 +/-    0.89  0.190 / 0.270
G24     40.7           11.5                9.4 +/-    2.01      25.5 +/-    2.01  0.090 / 0.270
G27     237.6          20.1               13.7 +/-    0.90      30.0 +/-    0.90  0.130 / 0.230
G31     179.8          24.2               15.2 +/-    1.17      30.3 +/-    1.17  0.160 / 0.300
G32     319.0          76.2               12.8 +/-    0.58      13.1 +/-    0.58  0.150 / 0.240