PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-18:28:10
G01     243.8          31.2                8.9 +/-    1.24      15.1 +/-    1.24  0.030 / 0.050
G03     313.2          53.1                4.9 +/-    1.81       6.0 +/-    1.81  0.030 / 0.040
G14     66.6           37.6                6.2 +/-    0.28       9.4 +/-    0.28  0.030 / 0.050
G16     160.6          24.3               10.5 +/-    1.70      20.9 +/-    1.70  0.030 / 0.040
G22     289.8          72.8                6.4 +/-    0.99       6.6 +/-    0.99  0.040 / 0.120
G23     292.4          24.5                7.3 +/-    1.39      14.5 +/-    1.39  0.040 / 0.120
G26     128.9          43.7               10.8 +/-    1.39      14.8 +/-    1.39  0.070 / 0.240
G31     40.4           51.0                5.3 +/-    0.66       6.6 +/-    0.66  0.070 / 0.220
G32     83.4           18.1                8.1 +/-    0.84      18.6 +/-    0.84  0.060 / 0.180