PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-01:58:00
G08     308.1          19.8                9.0 +/-    1.66      19.8 +/-    1.66  0.060 / 0.070
G10     334.3          60.4                7.7 +/-    0.94       8.7 +/-    0.94  0.050 / 0.080
G14     218.8          30.1               14.5 +/-    1.43      25.4 +/-    1.43  0.070 / 0.220
G15     47.1           12.2                5.9 +/-    2.18      15.6 +/-    2.18  0.080 / 0.210
G20     342.5          63.5               21.5 +/-    1.31      23.7 +/-    1.31  0.060 / 0.100
G21     135.4          57.1                9.6 +/-    1.52      11.2 +/-    1.52  0.060 / 0.100
G24     71.2           29.3                7.4 +/-    1.48      13.2 +/-    1.48  0.030 / 0.030
G27     273.6          37.2               11.4 +/-    1.15      17.5 +/-    1.15  0.030 / 0.030
G32     224.3          55.3               12.2 +/-    1.57      14.5 +/-    1.57  0.030 / 0.050