PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-01:27:50
G01     310.8          30.3                7.6 +/-    2.14      13.2 +/-    2.14  0.080 / 0.180
G10     101.3          42.8                8.9 +/-    0.36      12.5 +/-    0.36  0.090 / 0.160
G11     285.8          28.1                6.9 +/-    0.85      12.6 +/-    0.85  0.040 / 0.050
G14     343.8          69.0                9.3 +/-    0.81       9.8 +/-    0.81  0.040 / 0.050
G18     283.2          49.5                9.6 +/-    1.27      12.1 +/-    1.27  0.100 / 0.130
G20     117.5          17.5                8.5 +/-    1.61      19.9 +/-    1.61  0.090 / 0.130
G22     308.0          21.7                5.7 +/-    1.45      12.0 +/-    1.45  0.040 / 0.050
G25     84.5           14.8                6.5 +/-    1.06      16.3 +/-    1.06  0.040 / 0.040
G31     168.8          60.6               10.6 +/-    1.03      12.0 +/-    1.03  0.080 / 0.150
G32     32.6           54.8                7.9 +/-    0.40       9.4 +/-    0.40  0.080 / 0.150