PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-03:12:40
G01     304.8          34.6                9.3 +/-    1.00      14.8 +/-    1.00  0.060 / 0.050
G10     108.1          39.4               10.0 +/-    0.70      14.8 +/-    0.70  0.050 / 0.060
G11     277.3          29.4               10.7 +/-    2.05      19.1 +/-    2.05  0.110 / 0.190
G14     5.7            65.0                8.5 +/-    0.66       9.3 +/-    0.66  0.060 / 0.130
G18     118.5          13.3                8.8 +/-    1.39      22.9 +/-    1.39  0.100 / 0.090
G22     310.2          27.4                9.7 +/-    2.10      17.9 +/-    2.10  0.090 / 0.100
G25     76.4           16.6                8.6 +/-    1.89      20.7 +/-    1.89  0.030 / 0.030
G31     168.1          66.3               11.5 +/-    0.30      12.4 +/-    0.30  0.030 / 0.030
G32     35.9           52.7                7.8 +/-    1.00       9.5 +/-    1.00  0.110 / 0.200