PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-00:57:40
G08     307.0          20.5                6.2 +/-    1.33      13.5 +/-    1.33  0.050 / 0.080
G10     335.6          60.6                6.8 +/-    0.68       7.7 +/-    0.68  0.050 / 0.080
G14     219.1          31.2                9.1 +/-    2.43      15.5 +/-    2.43  0.050 / 0.040
G15     47.2           12.2                5.4 +/-    1.68      14.3 +/-    1.68  0.050 / 0.050
G20     326.2          59.3                7.9 +/-    0.94       9.0 +/-    0.94  0.090 / 0.150
G21     136.0          56.6                9.3 +/-    0.28      10.8 +/-    0.28  0.080 / 0.130
G24     70.3           29.1                6.3 +/-    0.72      11.3 +/-    0.72  0.060 / 0.090
G27     273.0          37.1                8.0 +/-    2.23      12.2 +/-    2.23  0.070 / 0.090
G32     224.8          55.9                7.9 +/-    2.41       9.3 +/-    2.41  0.120 / 0.250