PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/18-00:28:10
G08     316.1          15.4                7.6 +/-    2.05      18.7 +/-    2.05  0.060 / 0.060
G10     314.9          56.8               10.9 +/-    1.45      12.8 +/-    1.45  0.050 / 0.060
G14     213.8          20.8               17.1 +/-    4.43      36.9 +/-    4.43  0.040 / 0.040
G15     45.8           21.8                7.7 +/-    2.28      16.2 +/-    2.28  0.030 / 0.030
G20     308.1          52.9               23.4 +/-    0.75      28.5 +/-    0.75  0.070 / 0.100
G21     121.5          67.1               12.5 +/-    0.63      13.5 +/-    0.63  0.060 / 0.120
G24     83.3           29.1               11.9 +/-    1.75      21.3 +/-    1.75  0.250 / 0.360
G27     287.7          37.3               10.9 +/-    1.57      16.6 +/-    1.57  0.110 / 0.300
G32     215.9          44.8               14.2 +/-    1.23      19.2 +/-    1.23  0.110 / 0.290