PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-03:42:40
G08     305.5          20.2                9.9 +/-    2.58      21.6 +/-    2.58  0.040 / 0.060
G10     348.4          61.9                6.7 +/-    0.51       7.4 +/-    0.51  0.040 / 0.070
G14     221.5          36.8               12.0 +/-    2.03      18.4 +/-    2.03  0.070 / 0.100
G20     49.2           57.6                7.4 +/-    0.73       8.6 +/-    0.73  0.070 / 0.090
G21     140.3          51.0               -0.8 +/-    0.98      -1.0 +/-    0.98  0.030 / 0.030
G24     66.6           29.1                6.0 +/-    0.47      10.7 +/-    0.47  0.030 / 0.040
G27     267.4          36.1               11.0 +/-    1.61      17.1 +/-    1.61  0.050 / 0.150
G32     229.1          56.5               11.6 +/-    1.53      13.7 +/-    1.53  0.060 / 0.140