PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/26-01:57:30
G08     318.3          13.3                7.2 +/-    1.72      18.7 +/-    1.72  0.060 / 0.060
G10     310.9          55.8                6.7 +/-    2.01       7.9 +/-    2.01  0.060 / 0.060
G14     213.1          17.8               10.9 +/-    2.20      25.2 +/-    2.20  0.030 / 0.030
G15     45.7           23.0                5.2 +/-    2.14      10.6 +/-    2.14  0.030 / 0.030
G20     324.9          60.9                7.3 +/-    0.61       8.2 +/-    0.61  0.080 / 0.090
G21     117.3          68.8                8.6 +/-    1.05       9.2 +/-    1.05  0.080 / 0.110
G24     86.4           28.8                7.9 +/-    1.38      14.2 +/-    1.38  0.160 / 0.310
G27     290.4          36.9                9.9 +/-    2.33      15.2 +/-    2.33  0.150 / 0.410
G32     214.5          42.5               11.0 +/-    1.47      15.3 +/-    1.47  0.100 / 0.230