PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-23:12:30
G10     310.2          56.1                9.1 +/-    1.48      10.8 +/-    1.48  0.030 / 0.040
G14     212.0          16.6               13.4 +/-    2.21      32.1 +/-    2.21  0.030 / 0.030
G15     45.6           22.2                7.7 +/-    2.51      16.0 +/-    2.51  0.140 / 0.290
G20     9.8            64.3               10.7 +/-    0.48      11.7 +/-    0.48  0.150 / 0.370
G21     113.6          70.1               11.5 +/-    0.81      12.2 +/-    0.81  0.140 / 0.290
G24     91.1           28.9               11.0 +/-    1.23      19.7 +/-    1.23  0.180 / 0.160
G27     293.1          36.7               13.2 +/-    1.46      20.3 +/-    1.46  0.100 / 0.100
G32     213.4          38.5               12.3 +/-    1.19      18.3 +/-    1.19  0.070 / 0.090