PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/28-02:13:10
G01     317.9          20.7                6.3 +/-    4.30      13.7 +/-    4.30  0.170 / 0.330
G08     252.6          11.4                6.5 +/-    3.72      17.5 +/-    3.72  0.140 / 0.280
G10     85.0           51.0                6.9 +/-    1.01       8.6 +/-    1.01  0.170 / 0.330
G11     298.9          25.2                7.6 +/-    1.07      14.7 +/-    1.07  0.140 / 0.280
G14     305.6          70.8                6.9 +/-    0.91       7.3 +/-    0.91  0.050 / 0.050
G18     301.0          43.0                6.2 +/-    1.02       8.6 +/-    1.02  0.040 / 0.050
G20     83.0           63.6               11.2 +/-    1.66      12.3 +/-    1.66  0.250 / 0.470
G22     302.1          11.6                5.4 +/-    2.91      14.4 +/-    2.91  0.160 / 0.430
G31     172.8          47.6                7.1 +/-    1.18       9.2 +/-    1.18  0.100 / 0.220
G32     17.3           63.7                4.6 +/-    0.62       5.1 +/-    0.62  0.090 / 0.230