PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-20:58:00
G08     320.1          11.4                4.4 +/-   18.32      11.9 +/-   18.32  0.060 / 0.090
G10     313.7          56.9               12.6 +/-    0.98      14.7 +/-    0.98  0.060 / 0.090
G14     212.8          17.3               18.4 +/-    2.12      43.3 +/-    2.12  0.040 / 0.050
G15     45.6           20.2                7.1 +/-    1.20      15.5 +/-    1.20  0.040 / 0.040
G20     16.2           63.6               10.8 +/-    0.37      12.0 +/-    0.37  0.120 / 0.300
G21     117.6          68.5               12.7 +/-    1.27      13.6 +/-    1.27  0.130 / 0.380
G24     89.4           29.5               10.0 +/-    0.70      17.7 +/-    0.70  0.170 / 0.430
G27     290.6          37.3               10.9 +/-    1.44      16.6 +/-    1.44  0.150 / 0.290
G32     214.2          41.2               16.2 +/-    1.57      23.1 +/-    1.57  0.070 / 0.150