PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-01:28:00
G08     266.6          18.6               10.4 +/-    1.77      23.7 +/-    1.77  0.110 / 0.170
G10     57.9           59.5                8.2 +/-    0.53       9.3 +/-    0.53  0.160 / 0.220
G11     311.1          18.0                7.6 +/-    1.89      17.5 +/-    1.89  0.030 / 0.030
G14     267.4          67.0                7.2 +/-    0.93       7.7 +/-    0.93  0.030 / 0.030
G18     90.6           37.3                8.7 +/-    1.65      13.3 +/-    1.65  0.170 / 0.310
G21     153.8          15.1                9.8 +/-    2.51      24.3 +/-    2.51  0.170 / 0.420
G24     40.7           12.1                6.7 +/-    1.44      17.7 +/-    1.44  0.090 / 0.170
G27     231.1          16.1               11.0 +/-    1.80      26.7 +/-    1.80  0.110 / 0.160
G31     179.9          27.7               10.9 +/-    1.84      20.0 +/-    1.84  0.070 / 0.130
G32     324.3          74.6                8.2 +/-    1.24       8.5 +/-    1.24  0.050 / 0.090