PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-21:12:30
G10     253.7          30.8               13.3 +/-    1.22      23.0 +/-    1.22  0.040 / 0.060
G13     50.0           26.7                8.9 +/-    0.98      16.7 +/-    0.98  0.040 / 0.050
G15     80.2           57.0               11.1 +/-    0.58      13.0 +/-    0.58  0.210 / 0.950
G16     292.2          15.5               10.2 +/-    7.02      25.1 +/-    7.02  0.140 / 0.700
G20     275.5          53.3               12.6 +/-    0.58      15.3 +/-    0.58  0.090 / 0.210
G21     337.6          61.8               10.7 +/-    0.81      12.0 +/-    0.81  0.080 / 0.190
G26     264.9          14.1               12.2 +/-    0.87      30.9 +/-    0.87  0.030 / 0.050
G29     164.5          46.4               11.0 +/-    0.99      14.5 +/-    0.99  0.040 / 0.040