PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-00:27:50
G08     310.6          18.9                7.2 +/-    2.07      16.4 +/-    2.07  0.070 / 0.060
G10     327.4          59.3                7.7 +/-    0.41       8.9 +/-    0.41  0.080 / 0.080
G14     216.8          27.4               10.0 +/-    2.45      18.5 +/-    2.45  0.040 / 0.040
G15     46.4           16.0                5.9 +/-    1.88      14.4 +/-    1.88  0.040 / 0.040
G20     314.9          55.1                7.1 +/-    0.60       8.4 +/-    0.60  0.070 / 0.070
G21     131.4          60.8                9.4 +/-    0.63      10.6 +/-    0.63  0.100 / 0.080
G24     75.2           29.4                8.7 +/-    1.05      15.5 +/-    1.05  0.150 / 0.180
G27     278.7          37.6                8.9 +/-    1.12      13.5 +/-    1.12  0.090 / 0.270
G32     220.9          51.7               10.1 +/-    1.28      12.5 +/-    1.28  0.100 / 0.140