PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-06:57:50
G08     272.4          19.2                5.5 +/-    1.43      12.5 +/-    1.43  0.100 / 0.430
G10     54.6           59.7                3.0 +/-    0.85       3.5 +/-    0.85  0.130 / 0.340
G14     255.8          60.4                5.7 +/-    0.70       6.5 +/-    0.70  0.100 / 0.360
G18     314.2          28.3                3.9 +/-    1.85       7.1 +/-    1.85  0.100 / 0.400
G20     95.0           32.9                4.1 +/-    0.75       6.7 +/-    0.75  0.050 / 0.060
G21     154.3          19.2                6.2 +/-    3.48      14.0 +/-    3.48  0.050 / 0.070
G24     40.9           11.9                1.3 +/-    1.22       3.5 +/-    1.22  0.080 / 0.220
G27     234.2          18.1                6.5 +/-    2.05      15.0 +/-    2.05  0.080 / 0.170
G31     177.4          28.7                6.1 +/-    1.68      11.0 +/-    1.68  0.030 / 0.040
G32     334.0          75.4                5.4 +/-    0.30       5.6 +/-    0.30  0.030 / 0.040