PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-01:43:00
G08     297.8          22.9                7.7 +/-    1.23      15.9 +/-    1.23  0.060 / 0.070
G10     351.9          62.3                6.8 +/-    0.81       7.5 +/-    0.81  0.050 / 0.070
G14     225.3          42.7               10.5 +/-    0.48      14.6 +/-    0.48  0.090 / 0.080
G18     54.1           55.0                8.0 +/-    0.55       9.5 +/-    0.55  0.060 / 0.100
G21     142.5          45.8                9.7 +/-    1.16      12.9 +/-    1.16  0.030 / 0.030
G24     63.4           28.8                8.2 +/-    1.08      14.7 +/-    1.08  0.030 / 0.040
G27     259.3          34.3                9.7 +/-    1.26      15.5 +/-    1.26  0.060 / 0.100
G32     235.3          60.6               10.9 +/-    0.68      12.4 +/-    0.68  0.060 / 0.100