PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-23:42:30
G10     308.1          55.6                9.6 +/-    0.98      11.4 +/-    0.98  0.050 / 0.080
G14     211.6          15.6               14.7 +/-    1.81      36.0 +/-    1.81  0.070 / 0.080
G15     45.6           23.1                6.8 +/-    2.03      13.8 +/-    2.03  0.030 / 0.050
G20     6.3            64.6                9.8 +/-    0.57      10.8 +/-    0.57  0.030 / 0.040
G21     110.7          71.0               10.6 +/-    0.53      11.1 +/-    0.53  0.150 / 0.440
G24     92.4           28.6                9.9 +/-    1.02      17.8 +/-    1.02  0.210 / 0.310
G27     294.7          36.3               11.0 +/-    2.00      17.1 +/-    2.00  0.090 / 0.220
G32     212.8          37.1               13.3 +/-    1.69      20.3 +/-    1.69  0.110 / 0.140